CS203951B2 - Method of preparing ergoline derivatives - Google Patents
Method of preparing ergoline derivatives Download PDFInfo
- Publication number
- CS203951B2 CS203951B2 CS79884A CS88479A CS203951B2 CS 203951 B2 CS203951 B2 CS 203951B2 CS 79884 A CS79884 A CS 79884A CS 88479 A CS88479 A CS 88479A CS 203951 B2 CS203951 B2 CS 203951B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- propyl
- ethyl
- methyl
- preparation
- allyl
- Prior art date
Links
- AWFDCTXCTHGORH-HGHGUNKESA-N 6-[4-[(6ar,9r,10ar)-5-bromo-7-methyl-6,6a,8,9,10,10a-hexahydro-4h-indolo[4,3-fg]quinoline-9-carbonyl]piperazin-1-yl]-1-methylpyridin-2-one Chemical class O=C([C@H]1CN([C@H]2[C@@H](C=3C=CC=C4NC(Br)=C(C=34)C2)C1)C)N(CC1)CCN1C1=CC=CC(=O)N1C AWFDCTXCTHGORH-HGHGUNKESA-N 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 75
- 239000002253 acid Substances 0.000 claims abstract description 27
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 17
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims abstract description 16
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims abstract description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 9
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- -1 tolyl sulfonate Chemical compound 0.000 claims description 37
- 238000002360 preparation method Methods 0.000 claims description 32
- 239000000460 chlorine Chemical group 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000007858 starting material Substances 0.000 claims description 17
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- 229910052801 chlorine Inorganic materials 0.000 claims description 14
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 13
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052794 bromium Chemical group 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005984 hydrogenation reaction Methods 0.000 claims description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- PVWOIHVRPOBWPI-UHFFFAOYSA-N n-propyl iodide Chemical compound CCCI PVWOIHVRPOBWPI-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- XHXXWWGGXFUMAJ-UHFFFAOYSA-N methanethiol;sodium Chemical compound [Na].SC XHXXWWGGXFUMAJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 230000002140 halogenating effect Effects 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910005965 SO 2 Inorganic materials 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 239000002168 alkylating agent Substances 0.000 claims description 3
- 229940100198 alkylating agent Drugs 0.000 claims description 3
- 159000000000 sodium salts Chemical class 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- LYPGDCWPTHTUDO-UHFFFAOYSA-M sodium;methanesulfinate Chemical compound [Na+].CS([O-])=O LYPGDCWPTHTUDO-UHFFFAOYSA-M 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical group II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims 1
- 150000003459 sulfonic acid esters Chemical group 0.000 claims 1
- 108010057464 Prolactin Proteins 0.000 abstract description 18
- 102000003946 Prolactin Human genes 0.000 abstract description 18
- 229940097325 prolactin Drugs 0.000 abstract description 18
- 206010034010 Parkinsonism Diseases 0.000 abstract description 6
- 230000028327 secretion Effects 0.000 abstract description 3
- 125000001246 bromo group Chemical group Br* 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 129
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 123
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 91
- 239000000243 solution Substances 0.000 description 87
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 65
- 239000011541 reaction mixture Substances 0.000 description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 58
- 239000000203 mixture Substances 0.000 description 53
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 49
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 49
- 238000006243 chemical reaction Methods 0.000 description 47
- 229920006395 saturated elastomer Polymers 0.000 description 38
- 239000002904 solvent Substances 0.000 description 38
- 239000011780 sodium chloride Substances 0.000 description 32
- 238000004809 thin layer chromatography Methods 0.000 description 31
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 28
- 238000004458 analytical method Methods 0.000 description 26
- 238000001704 evaporation Methods 0.000 description 25
- 230000008020 evaporation Effects 0.000 description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- 239000012071 phase Substances 0.000 description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
- 239000000284 extract Substances 0.000 description 20
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 18
- FKHIFSZMMVMEQY-UHFFFAOYSA-N talc Chemical compound [Mg+2].[O-][Si]([O-])=O FKHIFSZMMVMEQY-UHFFFAOYSA-N 0.000 description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 16
- 241000700159 Rattus Species 0.000 description 16
- 239000012299 nitrogen atmosphere Substances 0.000 description 16
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 15
- 239000000908 ammonium hydroxide Substances 0.000 description 15
- 238000002425 crystallisation Methods 0.000 description 15
- 230000008025 crystallization Effects 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000008346 aqueous phase Substances 0.000 description 14
- 238000002844 melting Methods 0.000 description 13
- 230000008018 melting Effects 0.000 description 13
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000003480 eluent Substances 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- 239000002024 ethyl acetate extract Substances 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 239000000725 suspension Substances 0.000 description 10
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 9
- 238000009835 boiling Methods 0.000 description 9
- 239000012280 lithium aluminium hydride Substances 0.000 description 9
- 239000012074 organic phase Substances 0.000 description 9
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 9
- 239000012312 sodium hydride Substances 0.000 description 9
- 229910000104 sodium hydride Inorganic materials 0.000 description 9
- ZAGRKAFMISFKIO-UHFFFAOYSA-N Isolysergic acid Natural products C1=CC(C2=CC(CN(C2C2)C)C(O)=O)=C3C2=CNC3=C1 ZAGRKAFMISFKIO-UHFFFAOYSA-N 0.000 description 8
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- 239000002585 base Substances 0.000 description 8
- 239000003112 inhibitor Substances 0.000 description 8
- ZAGRKAFMISFKIO-QMTHXVAHSA-N lysergic acid Chemical compound C1=CC(C2=C[C@H](CN([C@@H]2C2)C)C(O)=O)=C3C2=CNC3=C1 ZAGRKAFMISFKIO-QMTHXVAHSA-N 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 8
- 229910000027 potassium carbonate Inorganic materials 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000000706 filtrate Substances 0.000 description 7
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 6
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 238000005804 alkylation reaction Methods 0.000 description 6
- 238000003776 cleavage reaction Methods 0.000 description 6
- RHGUXDUPXYFCTE-ZWNOBZJWSA-N ergoline Chemical class C1=CC([C@@H]2[C@H](NCCC2)C2)=C3C2=CNC3=C1 RHGUXDUPXYFCTE-ZWNOBZJWSA-N 0.000 description 6
- 238000005658 halogenation reaction Methods 0.000 description 6
- 230000005764 inhibitory process Effects 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- 239000002480 mineral oil Substances 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- DAVNRFCJMIONPO-UHFFFAOYSA-N (7-methyl-6,6a,8,10a-tetrahydro-4h-indolo[4,3-fg]quinoline-9-yl)methanol Chemical compound C1=CC(C2C=C(CO)CN(C2C2)C)=C3C2=CNC3=C1 DAVNRFCJMIONPO-UHFFFAOYSA-N 0.000 description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 5
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 229930013930 alkaloid Natural products 0.000 description 5
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- YKGMKSIHIVVYKY-UHFFFAOYSA-N dabrafenib mesylate Chemical compound CS(O)(=O)=O.S1C(C(C)(C)C)=NC(C=2C(=C(NS(=O)(=O)C=3C(=CC=CC=3F)F)C=CC=2)F)=C1C1=CC=NC(N)=N1 YKGMKSIHIVVYKY-UHFFFAOYSA-N 0.000 description 5
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000012442 inert solvent Substances 0.000 description 5
- 235000010446 mineral oil Nutrition 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- 230000007017 scission Effects 0.000 description 5
- 239000011975 tartaric acid Substances 0.000 description 5
- 235000002906 tartaric acid Nutrition 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- DTGDXIXELHPWIY-WPBNAAHQSA-N CS(O)(=O)=O.C1=CC([C@@H]2[C@H](NCC(C2)C)C2)=C3C2=CNC3=C1 Chemical compound CS(O)(=O)=O.C1=CC([C@@H]2[C@H](NCC(C2)C)C2)=C3C2=CNC3=C1 DTGDXIXELHPWIY-WPBNAAHQSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 230000029936 alkylation Effects 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 239000002178 crystalline material Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000004185 ester group Chemical class 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 150000002431 hydrogen Chemical group 0.000 description 4
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229940098779 methanesulfonic acid Drugs 0.000 description 4
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 4
- 150000004702 methyl esters Chemical class 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 239000001294 propane Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 239000012279 sodium borohydride Substances 0.000 description 4
- 229910000033 sodium borohydride Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical compound ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 4
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 102000015554 Dopamine receptor Human genes 0.000 description 3
- 108050004812 Dopamine receptor Proteins 0.000 description 3
- 101000687509 Rattus norvegicus Prolactin Proteins 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- RONNRWUMUHMWOH-UHFFFAOYSA-N bromo cyanate Chemical compound BrOC#N RONNRWUMUHMWOH-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 125000004093 cyano group Chemical group *C#N 0.000 description 3
- 229960003638 dopamine Drugs 0.000 description 3
- 229960003133 ergot alkaloid Drugs 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 229910052740 iodine Inorganic materials 0.000 description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 3
- 125000004170 methylsulfonyl group Chemical class [H]C([H])([H])S(*)(=O)=O 0.000 description 3
- 230000003389 potentiating effect Effects 0.000 description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- DNXIKVLOVZVMQF-UHFFFAOYSA-N (3beta,16beta,17alpha,18beta,20alpha)-17-hydroxy-11-methoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]-yohimban-16-carboxylic acid, methyl ester Natural products C1C2CN3CCC(C4=CC=C(OC)C=C4N4)=C4C3CC2C(C(=O)OC)C(O)C1OC(=O)C1=CC(OC)=C(OC)C(OC)=C1 DNXIKVLOVZVMQF-UHFFFAOYSA-N 0.000 description 2
- BHDLEAVQICQCHC-SKNXHYNKSA-N (6ar,10ar)-9-(methylsulfanylmethyl)-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinoline Chemical compound C1=CC([C@@H]2[C@H](NCC(C2)CSC)C2)=C3C2=CNC3=C1 BHDLEAVQICQCHC-SKNXHYNKSA-N 0.000 description 2
- WDRFYIPWHMGQPN-UHFFFAOYSA-N 2-chloroisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(Cl)C(=O)C2=C1 WDRFYIPWHMGQPN-UHFFFAOYSA-N 0.000 description 2
- NHQDETIJWKXCTC-UHFFFAOYSA-N 3-chloroperbenzoic acid Chemical compound OOC(=O)C1=CC=CC(Cl)=C1 NHQDETIJWKXCTC-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 2
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 208000027089 Parkinsonian disease Diseases 0.000 description 2
- 239000007868 Raney catalyst Substances 0.000 description 2
- 229910000564 Raney nickel Inorganic materials 0.000 description 2
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 2
- LCQMZZCPPSWADO-UHFFFAOYSA-N Reserpilin Natural products COC(=O)C1COCC2CN3CCc4c([nH]c5cc(OC)c(OC)cc45)C3CC12 LCQMZZCPPSWADO-UHFFFAOYSA-N 0.000 description 2
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- KVBGVZZKJNLNJU-UHFFFAOYSA-N naphthalene-2-sulfonic acid Chemical class C1=CC=CC2=CC(S(=O)(=O)O)=CC=C21 KVBGVZZKJNLNJU-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical class CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- AHWALFGBDFAJAI-UHFFFAOYSA-N phenyl carbonochloridate Chemical compound ClC(=O)OC1=CC=CC=C1 AHWALFGBDFAJAI-UHFFFAOYSA-N 0.000 description 1
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical class OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 description 1
- 229910000105 potassium hydride Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- UORVCLMRJXCDCP-UHFFFAOYSA-N propynoic acid Chemical class OC(=O)C#C UORVCLMRJXCDCP-UHFFFAOYSA-N 0.000 description 1
- 239000012070 reactive reagent Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical class OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- 239000000952 serotonin receptor agonist Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000021 stimulant Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 1
- 210000003568 synaptosome Anatomy 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- RWRDLPDLKQPQOW-UHFFFAOYSA-N tetrahydropyrrole Substances C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 239000012485 toluene extract Substances 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-M toluenesulfonate group Chemical group C=1(C(=CC=CC1)S(=O)(=O)[O-])C LBLYYCQCTBFVLH-UHFFFAOYSA-M 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- GDJZZWYLFXAGFH-UHFFFAOYSA-M xylenesulfonate group Chemical group C1(C(C=CC=C1)C)(C)S(=O)(=O)[O-] GDJZZWYLFXAGFH-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C07D457/04—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 8
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P5/00—Drugs for disorders of the endocrine system
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D457/00—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid
- C07D457/02—Heterocyclic compounds containing indolo [4, 3-f, g] quinoline ring systems, e.g. derivatives of ergoline, of the formula:, e.g. lysergic acid with hydrocarbon or substituted hydrocarbon radicals, attached in position 8
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Endocrinology (AREA)
- Diabetes (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Slouฤeniny s ergolinovรฝm kruhovรฝlm systรฉmem vzorce
majรญ pลekvapujรญcรญ ลadu rลฏznรฝch farmiaceui tickรฝich aรญkitiivit. Napลรญklad mnoho amidลฏ lysergovรฉ kyseliny 8/?-karboxy-6-methyl-9* -ergolenu, majรญ cennรฉ a unikรกtnรญ farmakologickรฉ vlastnosti (Triviรกlnรญ nรกzev โergolinโ je pouลพit pro vรฝลกe uvedenou strukturu a slouฤenina s 9,10 dvojnou vazbou, vztahujรญcรญ se k lysergovรฉ kyselinฤ se nazรฝvรก 9-ergolen spรญลกe neลพ 9,10-didehydroergolln. Nรกzev D-ergolin nebo D-8-ergolen se zde pouลพรญvรก pro pojmenovรกnรญ specifickรฝch slouฤenin. Pรญsmeno โDโ oznaฤuje, ลพe konfiguiracs uhlรญkovรฉho atcfmu v ipoloze 5 mรก absolutnรญ stereochemil oznaฤenou jako R a ลพe .atom vodรญku je ฮฒ, tj. nad rovinu 'kruhovรฉho systรฉmu. Avลกak modernรญ nรกzvoslovรญ mรก tendenci vypouลกtฤt ,,Dโ vzhledem k tomu, ลพe novฤ syntetizovanรฉ ergoliny nebo ergoleny jsou univerzรกlnฤ derivรกty pลรญrodnรญch produktลฏ, jako je lysergovรฉ kyselina nebo elymoclavin a ty vลกechny majรญ R stereochemickoiu konfiguraci โDโ ลady, u kterรฉ stereochemie na uhlรญku v poloze 5 je zachovรกna. Rozumรญ se, ลพe veลกkerรฉ slouฤeniny nebo skupiny ergolinลฏ nebo eirgolenลฏ zde uvedenรฝch majรญ takรฉ R-stereoohemtokoiu konfiguraci a to nezรกvisle na tom, zda u jmรฉna je nebo nenรญ uveden iprefix โDโ.) Mezi tyto farlmakologiaky aktivnรญ amidy kyseliny lysergovรฉ jsou zahrnuty v pลรญrodฤ se vyskytujรญcรญ oxytoxicikรฉ alkaloidy, jako je ercorniin, ergokryptin, ergonovin, ergdcristin, erigosLn, ergobamin a syntetickรฉ oxytoxickรฉ slouฤeniny, jakoi je methergin, jakoลพ i syntetickรฉ haluciinogeny, jako je diethylaimid lysergovรฉ kyseliny nebo LSD. Amidy 6-methyl-8-kaลboxyergoilinu znรกmรฉ jako dihydroergotovรฉ alkaloidy jsou ฤinidla s niลพลกรญm รบฤinkem a takรฉ niลพลกรญ toxicitou, neลพ majรญ samotnรฉ ergotovรฉ alkaloidy. Nedรกvno bylo nalezeno Clemensem, Semonsikรฝm a Meiteselm a jejich spolupracovnรญky, ลพe mnohรฉ ergotovรฉ slouฤeniny majรญ รบฤinek inhibujรญcรญ prolactin. Ergocomin, (dihydroergooornin, 2-brom-.ai-ergokiryptin a; D-6-methyl-8-kyanomethylergolin jsou pลรญklady tฤchto slouฤenin. Odkazy na prรกce o novรฝch poznatcรญch v oblasti chemie ergolinลฏ jsou v nรกsledujรญcรญch 'pracรญch: Nagasiawa a Meites, Proฤ. Soc. Expโtโl. Biol. Med., 135, 469 [1970]; Luitterbeck aj., Brit. Med. J., 228, 24, (1971); Heusรณn aj., Euroip. J. Canicer, 353 (1970); Coli. Czech. chem. Colmimun., 33, 577 (1968); Nรกtuลe, 221, 6ฮ6 (1969); ล eda aj., J. Rejprod. Fert., 24 263 (1971); Mantle a Finin, stejnรฝ ฤasopiรญs, 441; Semonskรฝ a spolupracovnรญci 'Coli, Czech. Chem. Colmm. 36, 2200 (1971); 'Schaar a Clemens, Endocr., 90, 285-8 (1972); 'Clemens a Schiaar, Prcic. Soc. Exp. Biol. Med., 139, 659-6612 (1972); Bach a Kornfeld, โTetrahedron Letters, 3225 (1974), a Sweehey, Clemens, Kornfield a Poore, 64th Anhual Meeting, Ameriฤan Assoclation for Cancer Research, Aprรญl 1973. Nedรกvno vyลกlรฉ (patenty v oblasti chemie ergolinลฏ nebo derivรกtลฏ 'lysergovรฉ kyseliny zahrnujรญ (JSA patent ฤ. 3 9213 812, USA patent ฤ. 3 929 796, USA patent ฤ. 3 944 582, USA patent ฤรญslo '3 954 988, USA patent ฤ. 3 957 785, USA patent ฤ. 3 95,9 288, USA patent ฤ. 3 966 739, รSA patent ฤ. 3 968 111, USA patent ฤรญslo 4 OiOl 242.
Parkinisonova nemoc znรกmรก takรฉ jako paralรฝza pohybovรฉho รบstrojรญ nebo pohyb vyznaฤenรฝ tลesem, byla nejprve popsรกna na konci 18. stoletรญ. Je charakterizovรกna tลesenรญm, ztuhnutรญm svalลฏ a ztrรกtou polohovรฝch reflexลฏ. Onemocnฤnรญ obvykle probรญhรก pomalu v intervalech 10 aลพ 20 let neลพ symptomy zpลฏsobรญ znehybnฤnรญ. Vรฝrazy โPairkinsonisรญnuisโ a โPankiinsonovy syndrclmyโ 'zahrnujรญ nejen Pankinisonovu nemoc, ale i Parkinsoniisimus vyvolanรฝ lรฉky a po-encefalitickรฝ 'Parlkinsoniamus. Lรฉฤenรญ Parkinsoniismu zatahuje isyรญmptomatickou, vรฝลพivnou a utiลกujรญcรญ therapii. Parikinsonova namoฤ byla lรฉฤena rลฏznรฝmi anticholinergickรฝmi ฤinidly, kterรฉ spรญลกe pลฏsobรญ na pohyblivost a akinesii neลพ tลesenรญ. Nedรกvno se zaฤalo s pouลพรญvรกnรญm 1-dopa (1-dihydroxyfenylalanin) .vzhledem ะบ toฤnu, ลพe bylo nalezeno, ลพe ovlivลuje obsah katechOlaminu v mozku pacientลฏ ovlivnฤnรฝch Parkinsonismelm. Naneลกtฤstรญ 1-dopa se rychle metabolizuje. Bylo tedy navrลพeno pouลพitรญ inhibitor li monoaminoexidasy pro snรญลพenรญ degradace morkovรฝch katecholaminลฏ. Pouลพitรญ 1-dopa s inhibitorem dekariboxylasy bylo takรฉ pouลพito pro zvรฝลกenรญ hladiny 1-dopa v morku a tรญm pro> zklidnฤnรญ symptomลฏ Parikinsoniรญsmu. Takรฉ bylo (navrลพeno (Corrodi a spolupracovnรญci), ลพe urฤitรฉ derivรกty ergoitiu, jako jisou v pลรญrodฤ se vyskytujรญcรญ alkaloidy, ergocornin jsou pลรญmรฉ dlouhodobรฉ sltimulanty receptoru dopaminu a jsou tak cennรฝmi pro lรฉฤenรญ Parkinsonovy nemoci [viz J. Piharmi. Pharmac. 25, 409 (1973)]. Johnson aj. v Experimentia 29, 763 ;(1973) diskutujรญ vรฝsledky Corrcfdiho aj., kterรฝ uvรกdรญ, ลพe ergccornin a 2-brom-w-eirgokryptin stimuluje receptory dopaminu a rozลกiลujรญ jejich pozorovรกnรญ na ostatnรญ ergotovรฉ alkaloidy. Trever W. Stone v Brain Research 72 1977 (1974) popisuje potvrzenรญ vรฝลกe uvedenรฝch pokusลฏ a pลinรกลกรญ dalลกรญ dลฏkaz, ลฝe er gotovรฉ alkaloidy majรญ stimulujรญcรญ รบฤinek na receptรกล dopaminu.
Pลevรกลพnรก ฤรกst chemickรฝch modifikacรญ provรกdฤnรก v oblasti ergotovรฝch alkaloidลฏ zahrnuje pลรญpravu syntetickรฝch amidลฏ lysergovรฉ kyseliny, kterรฉ majรญ nฤkterรฉ, aile ne vลกechny vlastnosti jednoho nebo vรญce z alkaloidลฏ vyskytujรญcรญch se v pลรญrodฤ. Na zรกkladฤ nedรกvnรฉho vรฝzkumu na vรฝvoji inhibitorลฏ prolaktinu bez CNS efektลฏ je chemickรฝ zรกjem soustลedฤn na derivatizaci polohy 8 ergolinovรฉho kruhovรฉho systรฉmu. I kdyลพ existuje nฤkolik publikacรญ popisujรญcรญch nรกhradu 6-methylskupiny v ergolinลฏ za jinรฉ skupiny, zejmรฉna vyลกลกรญ alkylskupiny, Fehr, Stadleir a Hoffman, Helv. Chem. Acta 53โ '2197 (1970) nechal reagovat methylestery kyseliny lysiergovรฉ a dihydrolysergovรฉ s bromlkyanem. Reakcรญ vzniklรฉho 6-ikyanodeลivรกtu se zinkovรฝm prachem a kyselinou octovou se zรญskal odpovรญdajรญcรญ 6-norderivรกit, kterรฝ se alkylovรฉ! ethyljodidem, napลรญklad pลi pลรญpravฤ smฤsi methylesterลฏ 6-nor-6-ethyllysergoivรฉ kyseliny a odpovรญdajรญcรญho esteru isolysergovรฉ kyseliny. 6-ethyl-8^-methoxykairbonylergoliin (6-ethyl-9,10-dihydroderivรกt methylesterลฏ lysergovรฉ kyseliny) se 'takรฉ mลฏลพe pลipravit tรญmto zpลฏsobem,. Prs ลพรกdnรฝ z tฤchto novรฝch derivรกtลฏ nebylo uvedeno pouลพitรญ. Barnardi aj. It. Fharmaco. Ed. Sel., 30, 789 (1975) pลipravili nฤkolik analogลฏ as-blokรกtoru, nliceirgolinu. Vรฝchozรญ materiรกly zahrnujรญ tyto slouฤeniny jako l-methyl-6-ethyl (allyl, cylklopropylmethyl )-8/3-hydroxymethyl-lOia-methoxyergOlin. Tyto vรฝchozรญ materiรกly se potom pลevedou na odpovรญdajรญcรญ 10a-imethoxy-8^-(5-brOfmlnikUtinmethyl) derivรกty. V nedรกvnรฉ prรกci Kลepelka, Anmy, Kotva a Semonskรฝ, Coli. Czech. Chem. Commun., 42, 1209; (1977) pลiipraviili 6-alkylanalogy S/^kyanomethylergolinu a 8/S-methylergolinu i(6-nofeลกtuclavinu) vฤetnฤ 6-ethyl, 6-n-propyl, 6-isopropyl, 6-n-butyl, 6-isobutyl a 6-n-he/ptyl derivรกtลฏ. Tyto slouฤeniny zvyลกovaly โprotilaktaฤnรญ a protihnรญzdรญcรญโ รบฤinky u krys ve srovnรกnรญ s odpovรญdajรญcรญmi
6-methylderivรกity. Detaily tฤchto biologickรฝch testลฏ budou podle autorลฏ poiblilkovรกny. Cassady a Floss Lloydia 46, 90 (1977) publikujรญ pลรญpravu 6-al'kylderivรกtลฏ elรฝmoclavinu (6-imรฉthyl-8-hydroxyimethyl-8-ergolenu). Podle publikovanรฝch รบdajลฏ se inhiibiฤnรญ รบฤinek na prolactin zvyลกuje s velikostรญ alkylskupiny na skupinฤ N-6- z methylu na piropyl, ale klesรก zavedenรญm butylskupiny. Niwaguchi aj., J. Pharm. Soc. (Japan) (Yakugaku Zasshi) 96 673 ,(1976) pลipravili diethylaimid 6-norlysergovรฉ kyseliny a realkylacรญ tohoto meziproduktu pลipravili odpovรญdajรญcรญ '6-ally.l, 6-ethyl a 6-,n-propylderivรกty LSD.. Jejich farmakologie je diskutovรกna v prรกci Hashiรญmoto aj. Europ. J. Pharm. 45 341 (1.977).
USA patent ฤ. 3 920 664 nรกrokuje D-2-halogen-6-alkyl (methyl, ethyl, n-propyl )-8/3-kyanomethylergollny pลipravenรฉ deimethylacรญ odpovรญdajรญcรญ 6-methylslouฤeniny a re5 aiikylacรญ postupem popsanรฝm Fehrem aj. (vรฝลกe). USA patent ยทฤ. 3 901 894 nรกrokuje ' 6H^^ett^h^J^-Sjลฝ-^^eUtyli^eenaรญ^t^ptnimtltylร^rr^รญ^liny pลรญpadnฤ substituovanรฉ v poloze 2 chlorem nebo bromem. USA patent ฤ. 3 959 288 nรกrokuje analogickรฉ 8-methoxyrnethylslouฤemny.
Pลevรกลพnรก ฤรกst vรฝลกe popsanรฝch ergollnลฏ nebo ergolenลฏ jsou aktivnรญ inhibitory prolaciinu. Nฤkterรฉ z tฤchto .slouฤenin jsou takรฉ pouลพitelnรฉ ipro lรฉฤenรญ Parkinsoniamiu, napลรญklad a-bnonmegoiaryptin (brprnocr iptin)Br,it. J. lin. Pharm., 3, 571 :(1976) Brit. Med. J. 4 (1974) str. 4412 a largo-trii-Neurology 25 459(1975).
Vynรกlez se tรฝkรก zpลฏsobu pลรญpravy novรฉ skupiny extrรฉmnฤ รบฤinnรฝch inhibitorลฏ prolactinu a lรฉkลฏ pro lรฉฤenรญ Parkinsonismu, kterรฉ pลรญsluลกรญ k ergolinovรฉ skupinฤ. Vynรกlez se tรฝkรก zpลฏsobu pลรญpravy novรฝch slouฤe-
| nin obecnรฉho vzorce i | ะฉ-ะ-ะกะะท |
| 1 Ji | |
| II | |
| hnโ*- | ฯ |
kde
R1 je ethyl, n-projpyl nebo allyl,
Y je O, S nebo SO2,
X je atom vodรญku, chloru neboยท bromu, teฤkovanรก ฤรกra znamenรก pลรญpadnฤ pลรญtomnou dvojnou vazbu, a jejich farmaceuticky vhodnรฝch .solรญ s kyselinami, kterรฝ se vyznaฤuje tรญm, ลพe se slouฤenina obecnรฉho vzorce ii
kde
Q je odstupujรญcรญ skupina,
X je atom vodรญku, chloru nebo .bromu,
R2 je atom vodรญku, ethyl, n-propyl nebo allyl nechรก v libovolnรฉm .prostลedรญ reagovat s
A) alkylaฤnรญm โขฤinidlem, jestliลพe R2 je atojm vodรญku,
B) vytฤsลujรญcรญm ฤinidlem, kterรฉ nahradรญ substituenlt v poloze 8, obecnรฉho vzorce iii
R3โYโCH3 (iii), kde
Y je O, S nebo SO2 a
R3 je alkalickรฝ kov nebo kvartรฉrnรญ amoniovรฝ zbytek,
C) halogenaฤnรญm ฤinidlem, jestliลพe X je atom ' vodรญku,
D) pลรญpadnฤ .s hydrogenaฤnรญm ฤinidlem, jestliลพe R2 je allyl .a/neibo je .pลรญtomna vazba ฮ8 nebo. ฮ9.
Slouฤeniny vzorce i, kde Y je SO se mohou pลipravit oxidacรญ odpovรญdajรญcรญ slouฤeniny, kde Y je altoirn sรญry. Vhodnรฝmi oxidaฤnรญmi ฤinidly jsou ipenkyiseliny, jaiko je m-chlorperbenzoovรก kyselina nebo jodistan.
Farmaceuticky vhodnรฉ soli s kyselinami vzorce i .zatรญmujรญ soli odvozenรฉ od anorganickรฝch kyselin, jako je kyselina chlorovodรญkovรก, kyselina dusiฤnรก, kyselina fosforeฤnรก, kyselina sรญrovรก, kyselina bromiovodรญkovรก, kyselina joflovodรญkovรก, kyselina dusitรก a kyselina fosfornรก, jakoลพ i soli odvozenรฉ od netoxiclkรฝch organickรฝch kyselin, jako jsou alifatickรฉ .mono- a dikarboxylovรฉ kyseliny, kyselina fosfornรก, jakoลพ i . soli odvozenรฉ . od hydroxyialkanovรฉ kyseliny a dikarboxylovรฉ aรญkanovรฉ kyseliny, aromatickรฉ kyseliny, alifatickรฉ a aromatickรฉ sultรกnovรฉ kyseliny. Tyto farmaceuticky vhodnรฉ soli zahrnujรญ sulfรกty, pyrosulfรกty, kyselรฉ sulfรกty, sulfity, kyselรฉ sulfity, dusiฤnany, fosfรกty, monohydroge.nofoisfรกty, dihydrogenofosfรกty, metafosfรกty, pyrofosfรกty, chloridy, bromidy, jodidy, fluoridy, aceitรกty, propionรกrty, dekanoรกty, kaprylรกty, aลk^j^^lรกty,. formiรกty, isobutyrรกty, ki^j^irylรกty, heptanoรกty. propiolรกty, oxalรกty, malonรกty, sufccrnรกity, .suberรกty, sebaikรกty, fumharรกty, imaleinรกty, mandelรกty, butin-l,4-dioรกty, hexin-l^dioรกty, .benzoรกty, .chlorbenzoรกty, methylbenzoรกty, diniitrobenzoรกty, hydroxybenzoรกty, mรญethoxybenzoรกty, .ftalรกty, tereetalรกty, benzen-sulfonรกty, toluensulfonรกty, cl!lar^benzensi^^^^onรกty, xylensulfonรกty, fenylacetรกty, fenylpro(pionรกty, . fenylbutyrรกty, citrรกty, . lakitรกty, /Shhdroxybutyrรกty, . glykolรกty malรกty, tartrรกty, ฮนmelhansutfยทonรกtd, propansulfonรกty, naftalen-l-sulลonรกty, a naftalen-2-sulfonรกty.
Ve slouฤeninฤ vzorce ii vรฝลกe je skupina. Q odstupujรญcรญ skupinou. Tatoยท odstupujรญcรญ skupina zpลฏsobuje vznik kationtu v poloze 8, kterรฝ potom reaguje s reakฤnรญm ฤinidlem vzorce iii. Vhodnรฝmi odstupujรญcรญmi skupinami jsou napลรญklad atom .chloru, bromu nebo' jodu nebo .ester sulfonรกtu, jako je methyl, ethyl, propyl, fenyl, benzyl nebo tolylsulfcnรกt.
Ve vzorci iii . vรฝลกe je R3 alkalickรฝ kov, jako je sodรญk nebo draslรญk, . s vรฝhodou . sodรญk. R3 je takรฉ kvartรฉrnรญ amoniovรฝ zbytek, kterรฝ je sfรฉricky objemnou ฤรกstรญ molekuly, jako je N,N;N-trimethy--N-benzylโonโiuim, tetrabutylaimonium nebo โ,โ,โ-ะฌ^ะฃั1-โ-oktadecyl-amonium a s vรฝhodou N,N,N-trimethyl-N-benzylJamo1niumรญmฮtะฃdlรกt. S-ubstti203951 tuent R3 je schopen vytvรกลet kationty ve vลกech pลรญpadech.
Alkylaฤnรญmi ฤinidly pouลพรญvanรฝmi ve stupni A ve vรฝลกe uvedenรฉm postupu jsou napลรญklad ethyl-, n-propyl- nebo allylhailogenid. Vhodnรฝmi inertnรญmi rozpouลกtฤdly jsou polรกrnรญ organickรก rozpouลกtฤdla, jako je diimethylacetamid, dimethylforimamid, acetoniitril neboi nitrpmsthian. Reakce se provรกdรญ pลi teplotรกch v rozmezรญ 20 aลพ 30 ยฐC. Vhodnรฉ bรกze, kterรฉ mohou bรฝt pลรญtomnรฉ v reakฤnรญ smฤsi jako ฤinidla odstraลujรญcรญ kyseliny zahrnujรญ nerozpustnรฉ anorganickรฉ bรกze, jako je uhliฤitan 90dnรฝ, uhliฤitan draselnรฝ, kyselรฝ uhliฤitan sodnรฝ a hydroxid sodnรฝ, jakoลพ i rozpustnรฉ bรกze, jako jsou terciรกrnรญ aminy, zejmiรฉnรญa aromatickรฉ terciรกrnรญ aminy, jalko je pyridin.
Vhodnรฝmi halogenaฤnรญmi ฤinidly pouลพitelnรฝmi pลi postupu ve stupni C vรฝลกe jsou N-chlorSukcรญinilnMd, N-chloracetanilid, N-chlor'ftaili|mid, N-chlortetrachlorftalimid, 1-chlorbenzotriazoil, N-ohlor-2,6-dichlor-4-nitroacetanilid, N-chlOr-2,4,6-triยฉhlaracetanilid a sulfurylchlorid, pลiฤemลพ toto reakฤnรญ ฤinidlo se pouลพรญvรก buฤ samotnรฉ nebo s bOrtrifluorid etherรกtem. Pouลพitelnรฝmi rozpouลกtฤdly pro halogenaฤnรญ reakci s N-broimsulkciniimidem je dioxan. Pลi reakci s N-chlorsukcinilmidem a pลevรกลพnou ฤรกstรญ ostatnรญch slouฤenin s pozitivnรญmi atomem halogenu se pouลพรญvรก jako rozpouลกtฤdlo dimathylformamid a pลi pouลพitรญ SO2CI2 se jako rozpouลกtฤdla pouลพijรญ dichldnmethan, nttrdmethan nebo acetonitril. Reakce se bฤลพnฤ provรกdรญ pลi teplotฤ mรญstnosti.
6-allylskupina se mลฏลพe hydrogenovat na 6~n-propylskupinu standardnรญmi hydrogenaฤnรญmi metodami jako je katalytickรก hydrogenace, napลรญklad palladium na uhlรญ. To je uvedeno ve stupni D vรฝลกe uvedenรฉho postupu.
Ve stupni D je takรฉ uvedeno, ลพe pลรญpadnฤ pลรญtomnรก vazba ฮ8 a ฮ9 se mลฏลพe redukovat hydrogenacรญ a zรญskรก se odpovรญdajรญcรญ nasycenรก slouฤenina v kterรฉmkoli reakฤinรญm stupni, vฤetnฤ koneฤnรฉho stupnฤ. Vhodnรฝmi hydrogenaฤriรญmi ฤinidly jsou napลรญklad platina nebo palladium,. Slouฤeniny vzniklรฉ touto redukcรญ jsou 8/3-slouฤe.niny.
Kterรฝkoli ze stupลลฏ ะ, ะ, C nebo D se mลฏลพe provรกdฤt v libovolnรฉm poradรญ. Rovnฤลพ tak kterรฝkoli ze stupลลฏ mลฏลพe bรฝt koneฤnรฝm stupnฤm v reakฤnรญm sledu.
Pลรญklady slouฤenin spadajรญcรญch do rozsahu vzorce I jsou:
D^S-ethyl-S/S-methylmcnkaptomethylergolte maleinรกt
D-2-chlor-6-n-propyl-8i/3-(rnethoxymethyleirgoilin stรญkcinรกt
D-6-allyil-8|S-methylmeukaptamethylergolin hydrochlorid
D.-2-brOm-6-allyl-8yS-nยป9thoxyimethylergolin tartrรกt
D-e-n-propyl-e^-methylmeiikaptoimelthyl-9-ergolen hydrebromid
D-6-n-ptfQpyl-8-methoxyrnethyil-8-ergolen maleinรกt
D-2-chlor-6-ailyl-8/3imethoxyimethyl-9-ergoilen benzoรกt
D-2-ibrom-6-ethyl-8jmethyimerรญkaptomethyl-8-ergole.n fosfรกt
D-6-n-,propyl-B/3-miethylsulfonylmeithyl-9-ergolen maleinรกt.
Vรฝhodnop skupinou slouฤenin jsou ty slouฤeniny vozrce I, kde R1 je n-propyl, Y je S ะฐ X a teฤkovanรก ฤรกra majรญ vรฝznam uvedenรฝ vรฝลกe. Zejmรฉna vรฝhodnou skupinou jsou ty slouฤeniny, kde R1 je n-propyl, Y je S a X je atom vodรญku a teฤkovanรก ฤรกra mรก vรฝznam uvedenรฝ vรฝลกe. Jinou vรฝhodnou skupinou jsou ty slouฤeniny, kterรฉ majรญ sรญru obsahujรญcรญ skupinu v poloze 8, tj. ty, ve kterรฝch Y je S nebo SO2 a ikde R1 je n-propyl a teฤkovanรก ฤรกra znamenรก, ลพe dvojnรก vazba je nasycenรก.
Slouฤeniny vzorce I se mohou pลipravit rลฏznรฝmi zpลฏsoby z rลฏznรฝch vรฝchozรญch materiรกlลฏ pลes slouฤeniny vzorce II. Jednรญm snadno dostupnรฝm vรฝchozรญm materiรกlem je lysergovรก kyselina (D-6-methyl-8/3-karboxy-9-ergolenJ vznikajรญcรญ fermentacรญ vybranรฝch druhลฏ Claviceps. ESterifllkacรญ karboxylovรก skupiny v poloze 8 a redukcรญ takto vzniklรฉho esteru se zรญskรก 8-hydiroxymethyl. Stejnรก slouฤenina se mลฏลพe pลipravit z elyรญmoclavinu, jinรฉho vรฝchozรญho materiรกlu, dostupnรฉho fermentacรญ postupem podle USA patentu ฤ. 3 709 891.
6-mรฉthylSkupiina D-6-methyl-8/?-.hydroxymethyl-9-ergolenu pลipravenรก z kterรฉhokoli vรฝchozรญho materiรกlu se mลฏลพe odstranit a nahradit za ethyl, allyl nebo n-propyliskupinu postupem podle USA patentu ฤ. 3 920 664, pลรญkladu 8. Podle tohoto postupu se samotnรฝ bromlkyan, nebo s vรฝhodou v inertnรญm rozpouลกtฤdle, nechรก reagovat napลรญklad s D-6-methyl-8/3-hydnoxymleithyI-9-ergoiene!m a zรญskรก se odpovรญdajรญcรญ 6-kyanoderivรกt. Vhodnรฝmi inertnรญmi rozpouลกtฤdly pro tuto reakci jsou chlorovanรฉ uhlovodรญky, jรกko je chloroform, methylenchlorid, chlorid uhliฤitรฝ a e'thylendichlorid, aromatickรฉ uhlovodรญky vฤetnฤ benzenu, toluenu nebo xylenu a polรกrnรญ rozpouลกtฤdla, jako je dimethylacetamid, dimethylformamid a dimethylsulfoocid. Reakฤnรญ teplota nenรญ rozhodujรญcรญ a mohou se pouลพรญt teploty od teploty mรญstnosti aลพ do teploty varu pouลพitรฉho rozpouลกtฤdla. Kyanoskupina se snadno odstranรญ redukcรญ se zinkovรฝm prachem v kyselinฤ octovรฉ a vznikรก tak sekundรกrnรญ aminickรก funlkce v poloze N-6, a tento amiin se mลฏลพe alkylovat, napลรญklad ethyljodidรฉmi v pลรญtomnosti bรกze a zรญskรก se D-'6-ethyl-8^-hydroxymethyl-9-ergolen. ล tฤpรญcรญ reakce zinkem v kyselinฤ octovรฉ se
203 8 obvykle provรกdรญ pลi teplotฤ varu pouลพitรฉho rozpouลกtฤdla, tj. 100 aiลพ 120 ยฐC. ล tฤpenรญ kyanolskupmy se mลฏลพe takรฉ provรกdฤt kyselou nebo bazickou hydrolรฝzou. Navรญc se 'mรญsto zinku a kyseliny octdvรฉ mohou pouลพรญt i jinรก redukฤnรญ ฤinidla, jako je Raney nikl a vodรญk. Alternativnฤ se N-meโthyiลกkupina mลฏลพe odstranit z 9-argolenu reakcรญ s chlorforrniรกtem, jako je methylohlorformiรกt, fenyl-chlorfonmiรกt, benzyl-chlarformiรกt a trichlorethylchllxformiรกt a zรญskajรญ se tak jako meziprodukty karbamรกty, kterรฉ se mohou ลกtฤpit a zรญskรก se poลพadovanรฝ 6-.nor-sekundรกrnรญ amin. Alkylaoe sekundรกrnรญho aminu โฆ napลรญklad ethyl, n-propyl nebo allyihalogenidem nebo tosylรกtem se provรกdรญ v inertnรญm rozpouลกtฤdle, s vรฝhodou v polรกrnรญm organickรฉm rozpouลกtฤdle, jako .. je dimethylacet- โฆ amid, dimethylformamid, acetonitril nebo nitroimethan pลi teplotฤ v rozmezรญ od 20 do 50 ยฐC. ' Vhodnรฝmi bรกzemi, kterรฉ mohou bรฝt pลรญtomny v reakฤnรญ smฤsi jsou ฤinidla odstraลujรญcรญ kyseliny, jako jsou nerozpustnรฉ anorganickรฉ bรกze, jakoยท je uhliฤitan sodnรฝ, uhliฤitan draselnรฝ, kyselรฝ uhliฤitan sodnรฝ a hydroxid sodnรฝ, jakoลพ i rozpustnรฉ bรกze, jako' jsou terciรกrnรญ aminy, zejmรฉna aromatickรฉ terciรกrnรญ aminy, jako je pyridin. Hydroxymelthylovรก skupina v poloze 8 se potom esterlfikuje snadno odstranitelnou skupinou, jako je p-toluensulfonyloxyลกkupina nebo mtithan(sslฮฏfonyloxyskupma (p-tosyl nebo mesyl derivรกty). Esterifikace pouลพรญvรก acylhalogenidy nebo anhydridy, napลรญklad mesylchlorid nebo p-tosylbromid. Reakce se s vรฝhodou provรกdรญ v rozmezรญ 20 aลพ 50 ยฐC. Tato esterovรก skupina se mลฏลพe naopak nahradit za methylmerkaptoskupinu postupem podle USA patentu ฤ. 3 901 894, pลรญkladu 3. Obdobnฤ se mesyloxyskupina nebo p-tosyloxyskupina mลฏลพe, nahradit za methoxyskupinu reakcรญ s methanolem v bรกzi nebo s methylsulfonylskupinou reakcรญ s methansulfinรกte-m sodnรฝm. Tato reakce se 'mลฏลพe provรกdฤt vytvoลenรญm sodnรฉ soli, napลรญklad methylmerkaptidu sodnรฉho za pouลพitรญ bรกze, napลรญklad hydridu sodnรฉho, hydridu draselnรฉho, methoxidu sodnรฉho' nebo ethoxidu sod- โฆ nรฉho. Proยท reakci se pouลพรญvajรญ inertnรญ polรกrnรญ โขrozpouลกtฤdla, jako je dรญmethylacetamid, di. methylformiamld nebo dimathylsulfoxid. Reakฤnรญ smฤs se obvykle zahลรญvรก na teplotu v < rozmezรญ od 50 do 100 ยฐC. Nรกhrada m-esyloxy nebo p-tosyloixyskupiny za methoxyskupinu se obvykle provรกdรญ v 'methanolu v pลรญtomnosti kvartรฉrnรญ amoniovรฉ bรกze.
Vรฝลกe uvedenรฝ reakฤnรญ sled objasลuje alkylaci v poloze 6 pลed koneฤnรฝm odลกtฤpenรญm v poloze 8. Do rozsahu vynรกlezu spadรก i provedenรญ tฤchto 'dvou stupลลฏ v opaฤnรฉm sledu, jmenovitฤ nahrazenรญ ฤรกsti molekuly v poloze ' 8 pลed alikylacรญ v poloze 6. Do' rozsahu pลedloลพenรฉho ' vynรกlezu spadรก, jestliลพe odbornรญk tyto stupnฤ pลehodรญ.
9-ergoleny s 8-mtthylsuะจnylmeihylSkupinou, kterรฉ mohou bรฝt meziprodukty pลi pลรญpravฤ 8-methylsulfยทonylmethylslouฤtnin
951 vzorce I se pลipravujรญ z odpovรญdajรญcรญch ' 8methylmtrkaฯtOIeethylsl'0uฤtnin reakcรญ s jodistanem nebo 'odpovรญdajรญcรญm oxidaฤnรญm ฤinidlem, jako jsou ptrkystliny, napลรญklad perbenzoovรก kyselina nebo perootovรก kyselina pลi teplotฤ mรญstnosti. S vรฝhodou se pouลพรญvajรญ ve vodฤ rozpustnรฉ soli 9-ergolenu ve vodฤ jako reakฤnรญm za . .neutrรกlnรญch nebo kyselรฝch podmรญnek.
Tyto 6-n-propyli (ethyl nebo allyl)--8-imethoxy, methylsulfonyl nebo methyimerkaptomethyl-9-ergoleny pลipravenรฉ tรญmto zpลฏsobem jsou slouฤeniny spadajรญcรญ do rozsahu slouฤenin vzorce I. Tyto slouฤeniny se mohou chlorovat .nebo hromovat v poloze 2 postupem podle USA patentu ฤ. 3 920' '664 a. zรญskajรญ se ty slouฤeniny vzorce I, kde R1 je atom chloru nebo bromu a kterรฉ .(obsahujรญ ฮ9 ' 'dvojnou vazbu. Halogenaฤnรญ ฤinidla, kterรก se a^c^x^j^lรญvajรญ pลi tomto postupu zahrnujรญ N-chlorsukcinimid, N-chloracetanilid, N-chLorffalimid, N-cihlortetrachlorftalimid, 1-chlorbenzotriazol, N-chlor-2,6-dichlor-4-nitroacetanilid, N-chlor-2,4,6-tric;hloracttanilid a sulfurylchlorid, pลiฤemลพ' toto poslednรญ reakฤnรญ ฤinidlo se pouลพรญvรก buฤ samotnรฉ, nebo s bo'rtะณitluoridethtrรกtem. Pouลพitenรฉ rozpouลกtฤdlo pro halogenaฤnรญ 'reakci s N-broomukcinionidem je dioxan. Pลi reakci s N-chloirsukcinimidem a pลevรกลพnou ฤรกstรญ pozitivnรญch halogenaฤnรญch slouฤenin se jako rozpouลกtฤdlo pouลพรญvรก dimethylforsnamid, ale ' pลi pouลพitรญ SO2CI2 se jako rozpouลกtฤdla pouลพรญvajรญ dichlormethan, nitromethan nebo acetonitril. Reakce se bฤลพnฤ provรกdรญ pลi teplotฤ mรญstnosti.
Vรฝลกe uvedenรก halogenรญaฤnรญ reakce je diskutovรกna tak, jak probรญhรก po stupnรญch A nebo B. Halogenaฤnรญ reakce mลฏลพe takรฉ probรญhat pลed ' stupni A nebo B. Pลรญpadnฤ ' halogenaice se mลฏลพe takรฉ provรฉst po hydrogenaci.
Lysergovรก kyselina, jeden z vรฝchozรญch materiรกlลฏ pouลพitรฝch vรฝลกe se mลฏลพe takรฉ redukovat na odpovรญdajรญcรญ dihydroslouฤeninu, dihydrolysergovanou kyselinu, bฤลพnฤ znรกmou katalytickou hydrogenacรญ za pouลพitรญ kysliฤnรญku platiฤitรฉho nebo jinรฉho vhodnรฉho katalyzรกtoru v inertnรญm rozpouลกtฤdle, s vรฝhodou v niลพลกรญm alkanolu. Esterifikace bฤลพnรฝmi zpลฏsobem poskytuje napลรญklad methylester dihydrolysergovรฉ kyseliny. MethylSkupi-na v poloze 6 se potom mลฏลพe ' odstranit reakcรญ s bromkyanem, jak je uvedeno vรฝลกe a zรญskรก se sekundรกrnรญ aminoskupina. Sekundรกrnรญ aminoskupina se potom mลฏลพe alkyloveutยท buฤ ethyljodidem, n-propyljodidem, nebo alkylbro-midemยท a zรญskรก .se ' slouฤenina s ethyl, n-propyl nebo allyl skupinou v poloze 6 a !methoxykarbonylovou ((esterovou) Skupinou v poloze 8. Sekundรกrnรญ amin se (poltem 'alternativnฤ mลฏลพe acylovat acetylchloridem nebo propienylchloridemi a zรญskรก se odpovรญdajรญcรญ amid v pลรญtomnosti terciรกrnรญho aminu pลi teplotฤ mรญstnosti. Redukce amidickรฉ skupiny ' v poloze 6 a esterovรฉ skupiny ' v poloze 8 souฤasnou redukcรญ hydลรญ2039 11 dฤm kovu, jako je lithiumaluminiumhydrid v tetirahydรญrofuranu ipri teplotฤ mรญstnosti poskytuje odpovรญdajรญcรญ D-6-ethyl(nebo ะฟ-ัะณะพpyl) -8/S-hydroยปxyimiethylergolin. Dalลกรญ redukcรญ ailkylskupiny v poloze 6 bฤลพnou hydrogenacรญ, jako je katalytickรก hydrogenace poskytuje 6-n-propylslO'Uฤenlny. Obdobnฤ D-6-ethyl i (nebo n-propyl nebo allyl)-8^-methoxykarbonylslouฤenรญna, se mลฏลพe redukovat nia odpovรญdajรญcรญ 8/3-hydroxymeithylderivรกt pouลพitรญm hydridu kovu jako redukฤnรญho ฤinidla, napลรญklad li-thiumaluminiumihydridu nebo tirimiethoxyiborohydรญridu sodnรฉho v ethorickรฉm rozpouลกtฤdle (diethyletheru nebo tetrahydrofuranu) pลi teplotฤ mรญstnosti nebo borohydridem sodnรฝm v ethanolu pลi teplotฤ varu reakฤnรญ smฤsi, Esterifikace hydroxyskupiny v 8/3-hydroxymeithylu se provรกdรญ pลฏsobenรญm mnthansulfcinylchloridu a polskytuje mcsyloxyderivรกt. Nรกsledujรญcรญ reakcรญ tohoto derivรกtu se solรญ methanolu, methanthiolu nebo miethansulf lnovรฉ kyseliny se zรญskajรญ slouฤeniny vzorce I, kde pลรญpadnรก dvojnรก vazba je nasycenรก ะฐ X je ialcim vodรญku, R1 a Y majรญ vรฝznam uvedenรฝ vรฝลกe. Kaลพdรฝ z tฤchto derivรกtลฏ se m>ลฏลพe chlorovat nebo* brรณmovat v poloze 2 postupeim podle USA patentu ฤ. 3 920 604 a zรญskajรญ se slouฤeniny vzorce I, kde X je atom chloru nebo bromu a pลรญpadnรก dvojnรก vazba je nasycenรก a R1 <a Y majรญ vรฝiznam uvedenรฝ vรฝลกe. Proยท reakci se pouลพรญvajรญ stejnรฉ reakฤnรญ podmรญnky jakรฉ byly pouลพity pro pลรญpravu odpovรญdajรญcรญch A9-ergolenลฏ.
Vรฝลกe uvedenรฉ ergolinovรฉ slouฤeniny se mohou takรฉ pลipravit z elymoclavinu, jinรฉho snadno dostupnรฉho vรฝchozรญho materiรกlu, redukcรญ ฮ8 dvojnรฉ vazby a zรญskรก se Dj6-m!eithyIโ8/?-hydiroxymQthylergolin. Stejnรฉ poลadรญ reakcรญ, nรกhrada methylu v poloze 6 za ethyl, n-propyl nebo allyl je nรกsledovรกno nahrazenรญm hydroxymethylu za meithoxymethyl, methylsulfonylmethyl nebo methylmerkaptomethyl pลes meziprodukt, mesylesiter a tato reakce se mลฏลพe provรฉst postupem uvedenรฝm vรฝลกe.
Elymoclavin samotnรฝ se mลฏลพe podrobit postupลฏm uvedenรฝm vรฝลกe v reakฤnรญm sledu u methylesteiru lysergoivรฉ kyseliny vฤetnฤ odลกtฤpenรญ methylskupiny v poloze 6, reakci s biroimlkyanรกiteim a odลกtฤpenรญ kyanoskupiny z polohy 6. Potom nรกsleduje reakce takto vzniklรฉho sekundรกrnรญho aminu s alkyl nebo allylhailogenidem, a zรญskรก se D-6-ethyl, n-propyl nebo allyl-8-hydroxymetihyl-8-ergolen. V tomto, pลรญpadฤ, vzhledem ะบ tomu, ลพe hydroxylovรก รกkupina v hydroxymethylskupinฤ je allylickรฝm hydroxylem, je moลพno provรฉst nรกhradu za atom chloru a ally.lickรฝ chlor se snadno nahradรญ za methoxyl, miethylsulfonyl nebo methylmerkaptoskupinu a zรญskajรญ se ty slouฤeniny vzorce I, kde v poloze 8 je pลรญtomna dvojnรก vazba a Y a R1 'majรญ vรฝznam uvedenรฝ vรฝลกe. Vรฝhodnรฝm chlo'raฤnรญm ฤinidlem pro allylickรฝ hydroxyl je 'smฤs trifenylfosfinu a chloridu uhliฤitรฉho a 'rovnฤลพ tak se mohou pouลพรญt i jinรก chloraฤ51 nรญ ฤinidla, jako je (kyselina chlorovodรญkovรก, kyselina bromovodรญkovรก, diethylether hydrochloirid, halogenid fosforitรฝ nebo POC13, pลiฤemลพ pลi pouลพitรญ reaktivnฤjลกรญch ฤinidel je nutno pracovat opatrnฤ, aby nedoลกlo ะบ 'tvorbฤ neลพรกdoucรญch vedlejลกรญch produktลฏ, jak bylo uvedeno vรฝลกe, veลกkerรฉ slouฤeniny vzorce I, kde X je atom chloru nebo bromu se mohou pลipravit z odpovรญdajรญcรญch slouฤenin, kde X je atom vodรญku vรฝลกe uvedenรฝm zpลฏsobem. Tato chlorace nebo bromace v (poloze 2 se mลฏลพe provรกdฤt s ostatnรญmi vรฝลกe uvedenรฝmi meziprodukty, u kterรฝch je napลรญklad esterovรก skupina v poloze 8 a esterovรก skupina samotnรก se pozdฤji inahra- 1 zuje za meithoxymethyl nebo methylmerkaptodnethylลกkupinu.
Pลรญpadnรก dvojnรก vazba v poloze 8 nebo se mลฏลพe redukovat za vzniku odpovรญdajรญ- * cรญ nasycenรฉ slouฤeniny v kterรฉmkoli mรญstฤ reakฤnรญho sledu, vฤetnฤ koneฤnรฉho stupnฤ.
Pouลพitenรก redukฤnรญ ฤinidla jsou bฤลพnรก ฤinidla pouลพรญvanรก pro katalytickou hydrogenaci, napลรญklad katalytickรก hydrogenace .na platinฤ nebo palladiu. Slouฤeniny vzniklรฉ touto redukcรญ jsou 8^-slouฤeniny.
jak je patrnรฉ z vรฝลกe uvedenรฉ diskuse, kterรฝkoli ze stupลลฏ, alkylace v poloze 6, odลกtฤpenรญ z polohy 8, halcgenace v poloze 2 nebo pลรญpadnรก hydrogenace 6-ally lslkupiny nebo ฮ8 nฤho ฮ9 dvojnรฉ vazby mลฏลพe probรญhat pลi pลรญpravฤ slouฤenin -vzorce I jako poslednรญ. Zmฤna reakฤnรญho sledu v tฤchto stupnรญch je pro odbornรญka proveditelnรก.
Slouฤeniny vzorce I a jejich soli s kyselinami jsou bylรฉ krystalickรฉ pevnรฉ lรกtky, snadno krystalizovatelnรฉ z organickรฝch rozpouลกtฤdel. Jejich pลรญprava je blรญลพe objasnฤna v nรกsledujรญcรญch pลรญkladech.
Pลรญklad 1
Pลรญprava D-6-n-propyl-8/3Hmerkaptomethylergolinh
Roztok se pลipravรญ z 100 g methyldihydrolysergรกtu a 2,5 1 methylendichloridu. Pลidรก se liOO g broimkyanu a reakฤnรญ smฤs se uzavลe a nechรก stรกt 24 aลพ 25 hodin pลi tep- โฆ lotฤ mรญstnosti. Chromรกt ografiรญ na tenkรฉ .vrstvฤ aliikvoitnรญho podรญlu byla nalezena 1 hlavnรญ skvrna ispolu s nฤkolika malรฝmi skvrnami. Organickรก fรกze obsahujรญcรญ me- ยซ thyl-B-kyano-S^-methoxykarbonylergolin vzniklรฝ vรฝลกe uvedenou reakcรญ se postupnฤ promyje vodinou kyselinou vinnou, vodou a nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla ve vakuu se zรญskรก odparek, ktelrรฝ podle chromatografie na tenkรฉ vrstvฤ vykazuje jednu hlavnรญ skvrnu, kterรก je mรฉnฤ polรกrnรญ neลพ vรฝchozรญ materiรกl a tato skvrna odpovรญdรก D-6-kyanO-8^-;methoxykarbonylergolinu. Slouฤenina takto pลipravenรก mรก teplotu tรกnรญ 202 aลพ 205 ^C. Vรฝtฤลพek 98,5 g.
Reakฤnรญ smฤs obsahujรญcรญ 59,6 g D-6-kyano-8^-methoxytkarbonyleirgolinu, 300 g zin203951 koVรฉhoยท ipraichu, 2,5 1 kyseliny octovรฉ a 500 mililitrลฏ vody se zahลรญvรก ะบ vatru v atmosfรฉลe dusรญku po dobu asi 7 hodin a potom se nechรก stรกt dalลกรญch 16 hodin pลi teplotฤ mรญstnoisti. Reakฤnรญ smฤis se potom filtruje aยท filtrรกt se naleje na led. Vzniklรก vodnรก smฤs se zalkalizuje 14 N -vodnรฝm hydroxidem amcmnรฝm a alkalickรก fรกze se extrahuje chloroformem. Chloiroifoirmovรก fรกze se oddฤlรญ, promyje nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a -potom vysuลกรญ. Odpaลenรญm chloroformu ise zรญskรก odparek obsahujรญcรญ D-8^-methoxykarbonylergolinu vzniklรฝ vรฝลกe uvedenou reakcรญ. Produkt vykazuje teplotu tรกnรญ 154 aลพ 1,56 ยฐC, vรฝtฤลพek 49,6 g. Chromatografie na tenkรฉ vrstvฤ vykazuje jednu hlavnรญ skvrnu a malou Skvrnu odpovรญdajรญcรญ vรฝchozรญmu materiรกlu.
Alternativnฤ roztok 98,5 g D-6-kyano-8/lยท -methoxykarbo-nylergolinu se hydrogenuje nรก Raney niklu v diimethylformalmidu. Pลฏvodnรญ tlak vodรญku byl 3,44 x 106 dyinลฏ/om'2. Po dokonฤenรญ se hydrogenaฤnรญ smฤs filtruje a filtrรกt se zahustรญ ve vakuu na objem: 250 mililitrลฏ. Talto smฤs se naleje do vodnรฉ kyseliny vinnรฉ a kyselรก fรกze se extrahuje ethylacetรกteim. Vodnรก kyselรก fรกze se potom zalkalizuje 14 N. vodnรฝm hydroxidem amonnรฝmรญ a alkalickรก fรกze se extrahuje ethylacetรกtem. T-รกto et-hylacetรกtovรก fรกze se oddฤlรญ a promyje vodou, nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla ve vakuu se zรญskรก D-8^-metihoxykarbonylergolin teploty tรกnรญ 150 aลพ 153 ยฐC, vรฝtฤลพek 68,8 g (76 ยฐ/o).
Reakฤnรญ smฤs ise pลipravรญ z 10,8 g D-ฮดฮฒ-methoxykairbonyleirgolinu, 10 ml n-propyljodidu a 8,2 g uhliฤitanu draselnรฉho v 200 mililitrech dimethylformamidu. Reakฤnรญ smฤs se imรญchรก pลi teplotฤ mรญstnosti 16 hodin -v atmosfรฉลe dusรญku. Chromatografiรญ na tenkรฉ vrstvฤ hรฝla nalezena jedna hlavnรญ skvrna s dvฤma malรฝmi skvrnami. Reakฤnรญ smฤs se zลedรญ vodou a vodnรก fรกze se extrahuje -ethylacetรกtem. Ethyla-cetรกtovรฝ extrakt se oddฤlรญ, promyje vodou, nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom vysuลกรญ.
Odpaลenรญm rozpouลกtฤdla ve vakuu se zรญskรก odparek, kterรฝ se chovรก pลi chroma-tografii na tenkรฉ vrstvฤ stejnฤ jak bylo uvedeno vรฝลกe. Odparek se rozpustรญ v chloroformu obsahujรญcรญm 2 % methanolu a filtruje se na 200 g floriisilu. Odpaลenรญm rozpouลกtฤdla ve vakuu se zรญskรก 8,55 g D-6-n-propyl-8,j3-methoxรฝkarbonylergO'linu teploty tรกnรญ
20.3 aลพ2)0i6ยฐC.
Asi 720 mg D-6m-propyl-8^-)methoxyikarbonyleirgรณlinu se rozpustรญ v 25 ml dioxanu a 50 ml methanolu. Pลidรก se 1 g borohydridu sodnรฉho a reakฤnรญ smฤs se zahลรญvรก 2 hodiny v atmosfรฉลe dusรญku. Po jednรฉ hodinฤ ise pลidรก druhรฝ gram boirohydridu sodnรฉho. Chromatografie na tenkรฉ vrstvฤ vykazuje jednu hlavnรญ polรกrnรญ skvrnu a minoritnรญ skvrnu. Reakฤnรญ smฤs se ochladรญ, zลedรญ vodou a vodnรก smฤs se extrahuje smฤsรญ roz pouลกtฤdel -chloroformu a isopropanolu. Organickรก fรกze ise oddฤlรญ, promyje nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a vysuลกรญ. Odpaลenรญm organickรฉho rozpouลกtฤdla se zรญskรก odparek obsahujรญcรญ D-6-n-proipyl-8/3-hydroxymeithylergolin, kterรฝ krystaluje ze smฤsi etheru a hexanu. Zรญskajรญ se taik krystaly teploty tรกnรญ 167 aลพ 109 ยฐC. Vรฝtฤลพek 620 miligramลฏ.
Pลipravรญ se roztok z 31,2 g D-6-n-propyl-8/3-hydroxy-imethylergolinu a 400 ml pyridinu. ะ pyridinovรฉmu roztoku se pomalu pลidรก 20 ml -methansulfonytohloridu. Po skonฤenรญ pลidรกvรกnรญ se smฤs mรญchรก 1 hodinu a potolm se naleje do smฤsi ledu a 14 N roztoku hydroxidu amonnรฉho. Alkalickรก vodnรก vrstva se extrahuje ethylacetรกtem. Ethylacetรกtovรก fรกze se oddฤlรญ, promyje vodou a nasycenรฝm roztokem chloridu sodnรฉhoยท a potom- se vysuลกรญ. Odpaลenรญm organickรฉho rozpouลกtฤdla ise zรญskรก odparek, kterรฝ podle chromatografie na tenkรฉ vrstvฤ sestรกvรก z jednรฉ hlavnรญ sloลพky a nฤkolika -minoritnรญch lรกtek (1 hlavnรญ skvrna a nฤkolik minoritnรญch skvrn). Chloroformovรฝ roztok odparku ise chromatografuje na 300 g florisilu pouลพitรญm chloroformu se zvyลกujรญcรญm se mnoลพstvรญm methanolu (od 0 do 4 (procent) jako eluฤinรญho ฤinidla. D-6-.nHpropyl-8/3-mesyloxymethylergolin zรญskanรฝ touto chromatografiรญ ve vyฤiลกtฤnรฉ formฤ vykazuje teplotu tรกnรญ 178 aลพ 180 ยฐC (rozkl.). Vรฝtฤลพek 25,6 graimu.
Analรฝza vypoฤteno:
C 62,96, H 7,26, N 7,77, S 8,85;
nalezeno:
C 62,6'6, H 6,94, N 7,46, S 9,04.
g methylmenkaptanu se rozpustรญ v 200 mililitrech dimethylacetamidu. Roztok se ochl-adรญ v lรกzni ledu a vody na as ฮ 0%ฮป Potom se pลidรก po- ฤรกstech 14,4 g hydridu sodnรฉho (50% suspenze v minerรกlnรญmi oleji) a vytvoลรญ se itak sodnรก sลฏl -methylmerkaptanu. Suspenze soidnรฉ soli se ohลeje na teplotu mรญstnosti. Potom se pomalu pลidรกvรก roztok
10,9 g D-6m-propyl-80-mesyloxymstihylergolinu v 6G ml dime-thylaceitamidu. Reakฤnรญ smฤs se mรญchรก jednu hodinu v atmosfรฉลe duisรญku a potom se zลedรญ vodou. Vodnรก fรกze se extrahuje ethylacetรกte-m a ethylacetรกtovรก fรกze se oddฤlรญ. Oddฤlenรฉ vrstvy se promyjรญ vodou, nasycenรฝmยท vodnรฝm roztokem chloridu sodnรฉho a ipotom se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek sestรกvajรญcรญ z D-6-n-propyl-8^Hmethylm0rkapto.methylergolinu zรญskanรฝ vรฝลกe uvedenou reakcรญ. Odparek vykazuje pลi chromatografii na tenkรฉ vrstvฤ jednu hlavnรญ skvrnu. Vรฝtฤลพek 6,9 g, teplota tรกnรญ 206 aลพ 209 9C ยท(rozkl.). Odparek se dรกle ฤistรญ suspendovรกnรญm v 10O ml vroucรญho methanolu. ะ vroucรญmu roztoku se pลidรก 1,6 ml imethansulfonovรฉ kyseliny v
ml methanolu. Po skonฤenรญ pลidรกvรกnรญ se smฤs nechรก vychladnout a bฤhem tรฉto doby se vysrรกลพรญ krystaly methansulfonรกtu D-6-m4propyl-8j3Hmethylimerkaiptomethylergolinu. Roztok se ochladรญ a potom filtruje. Zรญskรก se 6 g soli teploty tรกnรญ 255 ยฐC (roลพkl.j.
Analรฝza vypoฤteno:
C 58,20, H 7,36, N 6,82, S 15,62;;
nalezeno:
C 58,45, H 7,39, N 6,92, S 15,612.
Pลรญklad 2
Pลรญprava D-6-n-propyl-8/J-imethoxymethylergolinu
Reakฤnรญ smฤs se pลipravรญ z 8,4 g D-6-n-propyl-8/S-mesyloxymethylergolinu podle pลรญkladu 1, 50 ml 40 % imethanolickรฉho roztoku N,N,N-trimiethyl-N-beinzylam'Oniuimimethylรกtu a 200 ml dimethylacetamidu. Reakฤnรญ smฤs se zahลรญvรก v atmosfรฉลe dusรญku ะบ varu po dobu 1,25 hodiny. Pลi chromatogralii na tenkรฉ vrstvฤ je patrnรก jedna hlavnรญ slkvrna a skvrna vรฝchozรญho materiรกlu. Reakฤnรญ smฤs se ochladรญ a zลedรญ ethylacetรกtem. Eithylacetรกtovรก fรกze se oddฤlรญ, promyje vodou a nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho, naฤeลพ se vysuลกรญ. Rozpouลกtฤdlo se odpaลรญ a jako odparek se zรญskรก 5,00 g D-6-in-propyl-8/J-imethoxymethylergolinu. Slouฤena itaje za rozkladu pลi 2.23 aลพ 226 ยฐC. Postupem podle pลรญkladu 1 se pลipravรญ methansulfonรกtovรก sลฏl. Zรญskรก se methansulfonรกt D-6-n-propyl-8|3-methoxymethylergolinu, teploty tรกnรญ 202 aลพ 204 ยฐC po krystalizaci ze smฤsi etheru a ethanolu. Vรฝtฤลพek 4,09 g.
Analรฝza vypoฤteno:
C 60,89, II 7,66, N 7,10, S 8,13;
nalezeno:
C 60,60, H 7,79, N 7,18, S 8,08.
Pลรญklad 3
Pลรญprava D-6-n-propyl-8/J-hydroxymethyleirgolinu
Pลipravรญ se roztok 9,25 g D-8/3-methoxykarboinylergolinu v 1Q0 ml pyridinu. Pลidรก se 25 ml anhydridu kyseliny propionovรฉ a reakฤnรญ smฤs se mรญchรก 1 hodinu a pลi teplotฤ mรญstnosti. Reakฤnรญ smฤs se potom naleje do 5% vodnรฉho roztoku hydroxidu amonnรฉho a pลidajรญ se 2 litry vody. Reakฤnรญ smฤs se potom vychladรญ a pลefiltruje. Filtraฤnรญ kolรกฤ obsahuje D-e-proipionyl-e/J-mathoxykarbonylergoliin teploty tรกnรญ 260 aลพ 263 (rozkl. j, vรฝtฤลพek 9,30 g.
Analรฝza vypoฤteno:
C 69,92, H 6,79, N 8,58;
nalezeno:
C 70,14, H 6,99, N 8,73.
Pลipravรญ se suspenze 9,8 g D-6-propionyl-8jS-methoxykarbonylergolinu v 1000 ml tetrahydrofuranu. Po ฤรกstech se pลidรก 5 g lithiumaluminiuรญmhydridu, pลiฤemลพ reakฤnรญยท smฤs se ochladรญ v lรกzni s ledem. Po pลidรกnรญ lithiumdluminiumhydridu se reakฤnรญ smฤs nechรก ohลรกt na teplotu mรญstnosti a potom ยท se zahลรญvรก 16 hodin ะบ varu v atmosfรฉลe dusรญku. Reakฤnรญ smฤs se ipotom nechรก vychladnout ma OยฐC a pลebytek lithlumaluminiumhydridu a ostatnรญch organokovovรฝch lรกtek โฆ se rozloลพรญ pลidรกnรญm ethylacetรกtu, ethanolu a vody. Reakฤnรญ smฤs se poslรฉze zลedรญ vodou a vodnรก fรกze se nฤkolikrรกt extrahuje smฤsรญ chlorotormu a ilsoprapanolu. Organickรฉ extrakty se oddฤlรญ, spojรญ a spojenรฉ extrakty se pramyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho. Organickรก fรกze se potom vysuลกรญ a rozpouลกtฤdlo se odpaลรญ. Odparek obsahujรญcรญ D-6-n-propyl-8'/3-hydroxymethylergolin' vzniklรฝ redukcรญ se pลekrystaluje z methanolu a zรญskรก se 4,75 g materiรกlu teploty tรกnรญ 174 aลพ 176 ยฐC. Druhou krystalizacรญ z methanolu se zรญskรก D-6-n-propyl-8/S-hydroxymethylergolin teploty tรกnรญ 176 aลพ 178 ยฐC.
Analรฝza vypoฤteno:
C 76,,02, H 8J51, N 9,65;
nalezeno:
C 75,73, H 8,33, N 9,63.
Tato slouฤenina se mลฏลพe pลevรฉst pลes mesylรกt na odpovรญdajรญcรญ 8/3-methylmerka,ptomethyl derivรกlt podle pลรญkladu 1 nebo na odpovรญdajรญcรญ 8/3-imethoxymethyl'derivรกt podle pลรญkladu 2.
โฆ Pลiklรกdรก
Pลรญprava D-6-allyl-8/i-ime'thylmenkaptomethylergolinu <
gramy D-8/3-imethoxykaลbonylergolinu se rozpustรญ v 75 ml dimethylformamidu. Pลidรก se 1,7 g uhliฤitanu draselnรฉho a potom 0,71 mililitru allylibromidu. Reakฤnรญ smฤs se mรญchรก pลi teplotฤ mรญstnosti 3,5 hodiny v atmosfรฉลe dusรญku. Poidle chromatografie na tenkรฉ vrstvฤ sesltรกvรก realkฤnรญ smฤs z jednรฉ rychle se pohybujรญcรญ skvrny. Reakฤnรญ smฤs se zลedรญ vodou a vzniklรก vodnรก fรกze se extrahuje ethylacetรกtem. Ethylacetรกtovรก fรกze se olddฤlรญ, promyje vodou a nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho, naฤeลพ se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla ve vakuu se zรญskรก Odparek, kterรฝ po krysรญalizaci z methanolu poskytne 570 mg D-6-ally--8S'-methoxykarbonylergolinu teploty tรกnรญ 146 aลพ 148 ยฐC.
Analรฝza vypoฤtenoยท:
C 73,52, H 7,14, N 9,03;
nalezeno:
C 73,27, H 7,24, N 8,97.
4,8 g D-6-allyl-8f'-misthoxykarbonyleggO'linu -se roqpuistรญ v 50 ml dioxanu a 100 ml methanolu. Pลidรก se 5 g borohydridu sodnรฉho a vzniklรก smฤs se zahลรญvรก 2 hodiny k varu. Po jedinรฉ hodinฤ se pลidรก druhรก dรกvlka .2- g borohydridu sodnรฉho. Reakฤnรญ smฤs se zลedรญ vodou a 14 N vodnรฝm hydroxidem amonnรฝm. Alkalickรก vodnรก fรกze se nฤkolikrรกt extrahuje smฤsรญ isopropanolu a chloroformu. Organickรฉ extrakty se spojรญ a spojenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom- vysuลกรญ. Odpaลenรญm rozpouลกtฤdla -se zรญskรก odparek sestรกvajรญcรญ z D-6-^allyl-8/3-hydroxymethyle'rgolinu. Slouฤenina vykazuje teplotu tรกnรญ 204 aลพ 206 ยฐC po krystalizacรญ ze smฤsi methanolu a etheru.
Analรฝza vypoฤteno:
โข C 76,56, H 7,85, N 9,92;
nalezeno:
C 76,35, H 7,72, N 9,65.
Z 3,77 g D-6-allyl-8|S-hydroxym'ethylergolinu se pลipravรญ roztok v 100 ml pyridinu. Pลidรก se 2,โ5 ml methansulfonylchloriru a vzniklรก smฤs se mรญchรก 3 hodiny pลi teplotฤ mรญstnosti. Re-aikenรญ smฤs -se potom zลedรญ vodou a 14 N vodnรฝm hydroxidem amonnรฝm. Vodnรก fรกze se nฤkolikrรกt extrahuje eithylacetรกtem. Eethylacetรกtovรฉ extrakty se spojรญ a spojenรฉ -extrakty se promyjรญ vodou a nasycenรฝm vodnรฝm roztokemยท -chloridu sodnรฉho a ลpoitom se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se -zรญskรก D-6-allyl-8/^meeylDoymeehylergolin teploty tรกnรญ 195 aลพ 196 ยฐC (rozkl.j. Krystalizace ze smฤsi chloroformnnethanol. Vรฝtฤลพek 3,5 g.
Analรฝza vypoฤteno:
C 63,31, H 6,71, N 7,77, S 8,89;
nalezeno:
C 63,03, H 6,49, N- 7,51, S 8,68.
Postupem podle pลรญkladu 1 se -pลipravรญ sodnรก sลฏl z 12 g methylmerkaptanu a pลebytku hydridu sodnรฉho v 150 ml dimethylform-amidu. Ke smฤsi methylmerkaptidu sodnรฉho se - rychle pลidรก 4,3 g D-6-ally--83-mesy^oxymethylergolinu v 50 ml dimethylformamidu. Reakฤnรญ smฤs se mรญchรก jednu hodinu v atmosfรฉลe dusรญku a potom -se zลedรญ vodou. Vodnรก fรกze se extrahuje ethylacetรกtem. Eihylacetรกtovรก fรกze -se oddฤlรญ, promyje vodou, potom nasycenรฝm vodnรฝmยท roztokem chloridu sodnรฉho a vysuลกรญ se. Odpaลenรญm ethylacetรกtu se zรญskรก -odparek obsahujรญcรญ D-6-allyl-8/3-methylmerรญkaptomethylergolin vytvoลenรฝ vรฝลกe uvedenou redukcรญ. Odparek se rozpustรญ v chloroformu a chloroformovรฝ roztok -se chromatografuje na -200 g floirisilu pouลพitรญm - chloroformu se zvyลกujรญcรญm se mnoลพstvรญm methanolu (0 aลพ 2 %) jakoลพto eluฤnรญho- -ฤinidla. Zรญskajรญ se tak 3 g D-6-ally 1-8/3-'methylmeฯkaฯtomฮธthylergolinu teploty tรกnรญ 171 aลพ 173 ยฐC. Methansulfonรกtovรก -sลฏl se pลipravรญ postupem -podle pลรญkladu 1 a zรญskรก se produkt teploty tรกnรญ 272 aลพ 274 ;ยฐC, '(rozkl.j. Vรฝtฤลพek 3,05 g.
Analรฝza vypoฤteno:
C 58,79, H -6,91, N 6,86, S 15,70ยท;
nalezeno:
C 58,03, H 6,76, N - 6,61, S 15,71.
Pลรญklad 5
Alternativnรญ - pลรญprava D-6-n-propyl-8u-methoxykarbonylergolinu
1,7 g D-6-aHyl-8?Hrnรญahyllkarbonylergolinu pลipravenรฉho - metodou -podle -pลedchรกzejรญcรญho pลรญkladu se rozpustรญ v - 40 ml tetrahydrofuranu a hydrogenuje se na 0,5 g 5% palladia na uhlรญ pลi teplotฤ imรญstoclsti za poฤรกteฤnรญho tlaku 4,13- X 106 dynลฏ/cmยท2. Po 23 hodinรกch hydrogenace se reakฤnรญ smฤs filtruje. Ze- zรญskanรฉho filtrรกtu se rozpouลกtฤdlo odpaลรญ ve vakuu. Vzรญ^j^รญklรฝ odparek poskytuje pลi -chromatograรญii na tenkรฉ vrstvฤ dvฤ skvrny, jedna skvrna je novรก, -druhรก odpovรญdรก 6-norslouฤeniinฤ. Odparek se rozpustรญ v -chloroformu a -chloroformovรฝ roztok se chromatografuje na 30 g florisilu pouลพitรญm chloroformu obsahujรญcรญho zvyลกujรญcรญ se mnoลพstvรญ methanolu (0 aลพ 4 %} jakoลพto eluฤnรญho- ฤinidla. Frakce obsahujรญcรญ D-6-n-propy l-8/S-neehoxykarb onylergolin, stanovenรฉ podle chromatografie na tenkรฉ vrstvฤ, se- spojรญ a zรญskรก -se - krystalickรฝ materiรกl teploty tรกnรญ 204 aลพ -206 ยฐC. Vรฝtฤลพek - 740 mg. Krystalizacรญ ze- smฤsi methanolu a chloroformu se zรญskรก D-6-n-propyl-8l3-metihoxykarbdi^:^^'eiโgo^in teploty tรกnรญ 209 aลพ 211 ยฐC. Vรฝtฤลพek 465 mg.
Analรฝza vypoฤteno:
C 78,05, H 7,74, N 8,97;
nalezeno:
C 72,84, H 7,49, N 8,67.
Toto je alternativnรญ metoda pลรญpravy โ meziproduktu pro pลรญklad 1.
Pลรญklad 6
Pลรญprava D-e-erthyl-S/J-methylmerikaptomeehylergolinu
Z 6,5ยท g D-6-methyl-8Jhydroxyinethylergolinu (dihydrolyseirgol) se pลipravรญ roztok v 250 ml dimethylformamidu. Pลidรก se 8 g broimikyanu a reakฤnรญ -smฤs se mรญchรก pลi teplotฤ mรญstnosti 16 hodin v atmosfรฉลe dusรญku. Rozpouลกtฤdlo se odstranรญ ve vakuu .a odparek se zลedรญ vodou a filtruje. Filtraฤnรญ kolรกฤ se dobลe ipromyje ethanolem a etherem. Takto pลipravenรฝ D-6-kya.no-8/3-hydroxym'et^l^t^]^iejrgoliin taje pลi teplotฤ nad 260 ยฐC.
K 100 ml 6N vodnรฉ kyseliny chlorovodรญkovรฉ se pลidรก 4,3 g D-6-kyano-8/3-hydroxymethylergolinu a vzniklรก kyselรก reakฤnรญ smฤs se 2โ hodiny zahลรญvรก v atmosfรฉลe dusรญku k varu. Pลi ch-romatojrafii na tenkรฉ vrstvฤ nebyla u kyselรฉ smฤsi indikovรกna ลพรกdanรก pohyblivรก skvrna. Reakฤnรญ smฤs se naleje na led a. zalkalizuje se 14 N vodnรฝm hydroxidem amonnรฝm. Filtraฤnรญ kolรกฤ obsahujรญcรญ sekundรกrnรญ amin D-8/Shydroxymethylergolinu vytvoลenรฝ vรฝลกe uvedenou reakcรญ vรกลพรญ 3,65 g a byl pouลพit bez dalลกรญho ฤiลกtฤnรญ.
Roztok 3,65 g D-8/3-hyyroxxmeehylergolinu se pลipravรญ v 100 ml dimethylformamidu a pลidรก se 4,1 g uhliฤitanu draselnรฉho. Potom se pลidรก 1,4 g ethyljodidu a reakฤnรญ smฤs se mรญchรกยท 213 'hodin v atmosfรฉลe dusรญku pลi teplotฤ mรญstnosti, naฤeลพ se pลidรก voda. Vodnรก smฤs se extrahuje nฤkolika dรกvkami ethylacetรกtu.. ethylacetรกtovรฉ extrakty se spojรญ a spojenรฉ extrakty โ se promyjรญ vodou โขa nasycenรฝm ' vodnรฝm โ roztokem' chloridu sodnรฉho a potom- oe vysuลกรญ. Odpaลenรญm ' rozpouลกtฤdla se zรญskรก D-6-ethyl-8lรญ--hydroxymetty.ylergoiin. pลipravenรฝ vรฝลกe uvedenou reakcรญ; Odparek se โ pลekrystaluje ze smฤsi' chloroformu. .'a .methanolu a โ zรญskรก se D-6-ethyl-81.ฤhydrooฯmethyle.ะณgolin, '.kterรฝ- โ โ-'tvoลรญ pลi chromatografii na โ tenkรฉ vrstvฤ jednu - skvrnu. 'Vรฝtฤลพekยท.-'. 1,06 g. ............
-Analรฝza; .
vypoฤteno: ;
' C 75,52, H 8,20,. N 10,36; ........
nalezeno:' : C 75,60, H 7,93, N 10,06.
Pลipravรญ โ se roztok 2,7 g โ D--6-etะฃyl-83-ะฃydะณoxฯm.ethylergolinu v 100 ml pyridinu. Pลidรก se 1,5 ml mesylcะฃloฮฏrldu a reakฤnรญยท smฤs se potom mรญchรก jednu hodinu. Reakฤnรญ smฤs se zลedรญ vodou a zalkalizuje pลidรกnรญm 14 N vodnรฉho hydroxidu amonnรฉho. Alkalickรก fรกze se nฤkolikrรกt extrahuje ethylacetรกtem a ethylacetรกtovรฉ extrakty se spojรญ.โ Spojenรฉ extrakty se promyjรญ vodou, nasycenรฝm vod nรฝm roztokem chloridu sodnรฉะฃo a potom vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek D-6-ethyl-8/3-nesslooฯreethylleโgolinu vytvoลenรฝ vรฝลกe uvedenou reakcรญ. Odparek pลi chroma-lograni na tenkรฉ vrstvฤ vykazuje jednu hlavnรญ skvrnu. Odparek se chrornatografuje na 200 g florisilu pouลพitรญm chloroformu se zvyลกujรญcรญm- se mnoลพstvรญm (0 aลพ 5 proceล) methanolu. Chromlatografickรฉ frakce se sledujรญ chromatografiรญ na tenkรฉ vrstvฤ. Frakce obsahujรญcรญ D-,6-ethyl-83-mesyloxy.methylergolin se spojรญ a po krystalizaci se zรญskรก l;5O g krystalickรฉho materiรกlu, teploty tรกnรญ 184 aลพ 185 ยฐC (rozkl.).
Analรฝza vypoฤteno:
C 62-04, H 6,94, N 8,04, S 9,20;
nalezeno:
C 62,16, H 6,73, N 8,01, S 9,24.
Roztok 2,9 g me-thylmei^kaptanu v 75 ml dimethylformamidu se ochladรญ ve smฤsi ledu a vody. Po ฤรกstech se pลidรกvรก 2,4 g hydridu sodnรฉho ve formฤ 50 % suspenze v minerรกlnรญm oleji a โvytvoลรญ se tak sodnรก sลฏl methylmerkaptanu. Reakฤnรญ smฤs se nechรก ohลรกt na teplotu mรญstnosti. K nรญ se potom pลikape roztok 1,8 g D-O-ethyl^-^fil^-^imei^yloxymethylergollnu; v 25 mil dimethylformamidu. Reiakฤnรญ. smฤs se mรญchรก pลi teplotฤ mรญstnosti v atmosfรฉลe dusรญku poโ dobu 1,25 hodiny a potom se zลedรญ โvodou. โ Vodnรก smฤs se extrahuje ethylacetรกtem. Ethylacetรกtovรฝ extrakt se promyje vodou, nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek obsahujรญcรญ โ D-6-etะฃyl-83-methylmerkaptomethylergolin vytvoลenรฝ vรฝลกe uvedenou reakcรญ. Odparek podle โ. cะฃrtยปmatografie na tenkรฉ โ vrstvฤ โ v podstatฤ sestรกvรก z jednรฉ skvrny. โ Odparek se pลekrystaluje ze smฤsi etheru a hexanu ; a zรญskรก se krystalickรฝ D-6-eฮนthyl-83-metะฃylmeiโkap'tometะฃyleะณgolin teploty tรกnรญ โ20.1 aลพ 202 ยฐC โ(rozkl.).
D-6-ethyl-83-methylmerkapt'Ometะฃylergolin vytvoลenรฝ vรฝลกe uvedenou reakcรญ se suspenduje v 30 ml โ methanolu. Suspenze se zahลรญvรก na parnรญ lรกzni, pลidรก se โ0,33 ml methansulfonovรฉ kyseliny a tak se vytvoลรญ m-ethan^ulfonรกtovรก sลฏl. Reakฤnรญ smฤs se รณchladรญ na teplotu mรญstnosti a potom zลedรญ 50 ml etheru. D-6-methyl-Sะ-meehylmerkaptomethylergolin methansulfonรกt se ochlazenรญm vysrรกลพรญ a odfiltruje. Zรญskรก se produkt teploty tรกnรญ 254 aลพ 236lOC (rozkl.). Vรฝtฤลพek 1,80 g.
Pลรญklad 7
Pลรญprava D-6-n-propyl-8'-methylimerikaptomethyl-8-ergolenu
11,0 g elyrncc lavinu se suspenduje v 200 mililitrech dimet.hylforma.midu. Pลidรก se asi g bromkyanu a vzniklรก - smฤs se mรญchรก ipลi teplotฤ -mรญstnosti v atmosfรฉลe dusรญku po dobu -asi 16 hodin, naฤeลพ se zลedรญ ' vodou. Vรฝลกe uvedenou reakcรญ pลipravenรฝ D-6-kyano-8-hydroxymethyl-8-ergolen se vysrรกลพรญ a odfiltruje. Zรญskรก se 8,2 g produktu, teploty -tรกnรญ 215 aลพ 222 ยฐC (rozkl.). Filtraฤnรญ kolรกฤ se bez dalลกรญho ฤistฤnรญ smรญsรญ s 300 ml -kyseliny octovรฉ a pลidรก se ฮ0 ml vody a 41 g zinkovรฉhoยท prachu. Vzniklรก smฤs -se zahลรญvรก k varu v atmosfรฉลe dusรญku po dobu 20 hodin. Reakฤnรญ smฤs se potom filtruje a filtrรกt se naleje na led. Filtrรกt -se zalkalizuje 14 - N vodnรฝm hydroxidem amonnรฝm. Alkalickรก fรกze se nฤkolikrรกt -extrahuje smฤsรญ chloroformu a isopropanolu. Extrakty se -spojรญ a spojenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potomยท se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek sestรกvajรญcรญ z D-8-hydroxymethyl-8-ergolenu a jeho -acetรกtu. Bez dalลกรญho ฤiลกtฤnรญ se odparek rozpustรญ v 200 ml diimethylformamidu a pลidรก se 6,2 g uhliฤitanu draselnรฉho a 8 ml n-propyljodidu. Tato reakฤnรญ -smฤs se mรญchรก 6 hodin v atmosfรฉลe dusรญku a potom -se zลedรญ vodou. Vodnรก fรกze se nฤkolikrรกt extrahuje ethylacetรกtem a ethylacetรกtovรฉ extrakty se spojรญ a promyjรญ vodou a nasycenรฝmยท vodnรฝm roztokem chloridu -sodnรฉho, naฤeลพ -se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek, kterรฝ pลi chromatografii na tenkรฉ vrstvฤ obsahuje dvฤ hlavnรญ skvrny. Odparek se rozpustรญ v 100 ml methanolu a 100 ml dioxanu. Pลidรก -se 25 -ml 2 N vodnรฉho roztoku - hydroxidu sodnรฉho a alkalickรก smฤs se mรญchรก v atmosfรฉลe dusรญku - 1,25. hodiny pลi -teplotฤ -mรญstnosti. Reakฤnรญ smฤs - se potom zลedรญ vodou, a -vodnรก fรกze se extrahuje nฤkolikrรกt - smฤsรญ chloroformu a isopropanolu. Organickรฉ extrakty se spojรญ a- spojenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem -chloridu sodnรฉho a potomยท se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek, kterรฝ pลi -chromatografiรญ na tenkรฉ vrstvฤ obsahuje - jednu - hlavnรญ skvrnu. Odparek se rozpustรญ v chloroformu a chloroformovรฝ roztok se -chromatografuje - na 200 g florisilu. Jako eluฤnรญ- ฤinidlo- se pouลพije chloroform- se stoupajรญcรญm -obsahem' (2 aลพ 5 %) methanolu. Frakce, kterรฉ podle chromatogra.fie na -tenkรฉ vrstvฤ obsahujรญ D-6mt-piopyl-84iy.'Ckoxymethyl-8-ergo]en - se - spojรญ. Rozpouลกtฤdlo se odpaลรญ -k -suchu a vzniklรก smฤs -se krystaluje z etheru a zรญskรก se D-6-n-ฯrcpyl-8-hydroxymeฮนthyl-8-ergยทclยทen teploty tรกnรญ 189 aลพ 191^ั - (rozkl.). Vรฝtฤลพek 2,9 g.
Analรฝzaยท vypoฤteno:
C 76,56, H 7,85, N 9,92 nalezeno:
C 76,30, H 7,85, N 9,96.
8,1 g D-6-n-propyl-8-hydroxyยซmethyl-8-ergolenu se suspenduje v 1000 ml acetonitrilu obsahujรญcรญho 39,3 g trifenylfosfinu -a 14,4 ml chloridu uhliฤitรฉho (totoยท reakฤnรญ ฤinidlo Je popsรกno' -v Tetrahedron- 23, 2789 (1967). Reakฤnรญ smฤs se mรญchรก pลi teplotฤ mรญstnosti 19 hodin v atmosfรฉลe dusรญku. Tฤkavรฉ sloลพky se potom odpaลรญ ve vakuu -a odparek se zลedรญ vodnou kyselinou vinnou. Kyselรก vodnรก fรกze se nฤkolikrรกt extrahuje toluenem -a toluenovรฉ extrakty se vylejรญ. Vodnรก fรกze -se zalkalizuje kyselรฝm uhliฤitanemยท sodnรฝm a alkalickรก fรกze se nฤkolikrรกt -extrahuje chloroformem a isoprcpanolem. Organickรฉ extrakty se oddฤlรญ a oddฤlenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom- โvysuลกรญ. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek, kterรฝ pลi chromatografii na tenkรฉ -vrstvฤ vykazuje jednu hlavnรญ -skvrnu. Roztok odparku se chroimatografuje ve smฤsi chloroformu a mettianolu (2%) na 200 g florisilu. Frakce, kterรฉ podle -chromatografie na tenkรฉ vrstvฤ obsahujรญ D-6-n-propyll8-chlcoโethyl-8-ergolen se spojรญ a rozpouลกtฤdlo se odpaลรญ ve vakuu. Krystaliลพacรญ vzniklรฉho odparku ze smฤsi chloroformu -a methanolu se zรญskรก D-6-n-propyl-8-chlormethyl--8-ergolen, kterรฝ se rozklรกdรก pลi 185ยฐC. Vรฝtฤลพek 4,65 g, druhรก frakce 2,30' . g.
Analรฝza vypoฤteno:
' C 71,87, H 7,04, N 9,31 nalezeno:
C 71,62, H 6,89, N 9,57.
ml roztoku 25- g methylme-rkaptanu v 100 ml dimethylacetamidu se zลedรญ 200ยท ml dimethylacetam-idu a vzniklรฝ roztok se ochladรญ ve smฤsi ledu a vody. 10,6 g - hydridu sodnรฉho ve - formฤ 50% suspenze v minerรกlnรญm- oleji se po ฤรกstech pลidรก k -reakฤnรญ smฤsi, kterรก se potom nechรก ohลรกt na 75 โC a pลi tรฉto- - -teplotฤ se rychle pลikape ล6,7 g D-ะฑ-n-propyl-8-chlocmethyl-8-ergolenu v 75 mililitrech dimethylacetamidu. Reakฤnรญ smฤs -se mรญchรก- 2 hodiny v atmosfรฉลe dusรญku pลi -teplotฤ mรญstnosti. - Reakฤnรญ smฤs se potom ochladรญ, zลedรญ vodou a vodnรก - smฤs -se extrahuje ethylacetรกtem. Ethylacetรกtovรฝ roztok -se -oddฤlรญ, promyje vodou -a nasycenรฝmi vodnรฝm roztokem chloridu sodnรฉho- a potom vysuลกรญ. Odpaลenรญm organickรฉho rozpouลกtฤdla se zรญskรก - odparek, kterรฝ pลi ฮฟฮฯmatografii - na tenkรฉ vrstvฤ obsahuje jednu hlavnรญ .skvrnu. !Chlยทoฮนrclcrm'Ovรฝ roztok zbytku se chrcmatcgrafu.je na 200 g florianu pouลพitรญm - chloroformu obsahujรญcรญho zvyลกujรญcรญ se mnoลพstvรญ 0 -aลพ 3 - % methanolu jako eluฤnรญho ฤinidla. Frakce, kterรฉ podle chromatogIhfie- na tenkรฉ vrstvฤ obsahujรญ D-6-n-propyl-8-1methylmerkaฯtcmยทethyl-8-ergclen se spojรญ - -a organickรฉ rozpouลกtฤdlo se ze spojenรฝch -extraktลฏ odstranรญ. Krystaliลพacรญ zbytku nejprve z etheru a -potom z ethanolu se zรญskรก 2,70 g D-6-ฮนn-propyl-8-'methylmerkapCome203951 thyl^-ergolenu teploty tรกnรญ 180 aลพ 183 ยฐC. (rozkl.). Reakcรญ odparku s imalei-novou kyselinou se zรญskรก maleinรกt D^-n-propy^-msthylmeikรญaptomethyl-B-ergolenu ve formฤ amorfnรญ pevnรฉ lรกtky.
Analรฝza vypoฤteno:
C 64,46, H 6,59, N 6,54, S 7,48; nalezeno:
C 64,31, H 6,51, N 6,81, S 7,61.
Pลรญklad 8
Pลรญprava D-6-n-propyl-83-;methylmerkaptomethyl-9-ergolenu
2'5 g -methyllysergรกtu. se rozpustรญ v 750 ml methylenchloridu, a pลidรก se 35 g -bromkyanu - a reakฤnรญ smฤs se imรญchรก 22 hodin pลi teplotฤ mรญstnostรญ. Organickรก fรกze se promyje vodnou kyselinouโ vinnou, vodou a nasycenรฝm vodnรฝm roztokem chloriduยท sodnรฉho. Organickรก fรกze se potom vysuลกรญ a organickรฉ rozpouลกtฤdlo odpaลรญ. Vzniklรฝ odparek obsahujรญcรญ D-6-kyano-83jmethoxykarbonyl-9-ergolen vytvoลenรฝ vรฝลกe uvedenou .reakcรญ se pลi chromatografii na tenkรฉ vrstvฤ chovรก jako jedna skvrna. Odparek se rozpustรญ v 600 ml kyseliny octovรฉ a 120 ml vody, ke kterรฉ se pลidรก 80 g zinkovรฉho prachu. Vzniklรก smฤs se zahลรญvรก k varu pลi -teplotฤ mรญstnosti- v atmosfรฉลe dusรญku po dobu 18,5 hodiny. Reakฤnรญ Smฤs se potom ochladรญ a filtruje. Filtrรกt se naleje na led a potom za-lkalizuje 14 N vodnรฝm hydroxidem amonnรฝm. Alkalickรก smฤs se nฤkolikrรกt extrahuje chloroformem. -Chloroformovรฉ extrakty se spojรญ, spojenรฉ - extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom vysuลกรญ. - Produkt tรฉto- reakce, methyl-D-6-desmethyllysergรกt -obsahuje trochu odpovรญdajรญcรญho isolysergรกtu. Odparek se bez dalลกรญho ฤiลกtฤnรญ rozpustรญ v - dimethylformamidu a alkyluje se :n-propyljodidem a uhliฤitanem draselnรฝm postupem podle pลรญkladu 7. Zรญskรก se tak D-^^^^-propyl^-^fi^/^-^i^ลฅ^t^l^o^^^ykarbonyl-9-ergolen - . obsahujรญcรญ malรฉ mnoลพstvรญ a-methoxykarbonylovรฉho isomerลฏ. Odparek se suspenduje v -etheru a suspenze se chromiaaografuje na 150 - g florisilu pouลพitรญm etheru jako - eluฤnรญho ฤinidla. Tyto frakce hlavnฤ sestรกvajรญcรญ podle NMR z Jรญsomeru se spojรญ a ether se z nich odpaลรญ. Vzniklรฝ odparek se rozpustรญ v ethylacetรกtu a organickรก fรกze se extrahuje vodnou kyselinou vinnou. Vodnรฝ extrakt se oddฤlรญ a zalkalizuje 14 N vodnรฝm hydroxidem amonnรฝm. Alkalickรก fรกze se nฤkolikrรกt extrahuje chloroformem, chloroformovรฉ extrakty se spojรญ a spojenรฉ - extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom - vysuลกรญ. Odpaลenรญm chloroformu se zรญskรก odparek, kterรฝ pลi- chromatografii na tenkรฉ vrstvฤ vykazuje jednu hlavnรญ skvrnu. Od24 parek se znovu chromatografuje na 30 g florisilu pouลพitรญm- smฤsi etheru a hexanu - (1:1) jakoลพto eluฤnรญho ฤinidla. Frakce kterรฉ podle chromatografie na tenkรฉ -vrstvฤ obsahujรญ D-5-n-prQpyl-8/3-ฮน-nethoxykaะณbony--9-ergolen se spojรญ a redukujรญ litthiuรญmaluminium'hydridem nรกsledujรญcรญm zpลฏsobem: - 0,67 g odparku se rozpustรญ v 75 ml tetrahydrofuranu, ke kterรฉmu se po ฤรกstech pลidรก 0,5 g lithi'umaauminiumhydridu. Re akฤnรญ smฤs - se mรญchรก 70. -minutยท pลi teplotฤ - mรญstnosti a potom se ochladรญ v lรกzni ledu a vody. Organokoโvovรฉ slouฤeniny a pลebytek hydridu se rozloลพรญ pลidรกnรญm ethylacetรกtu a 10% vodnรฉho roztoku hydridu sodnรฉho. Reakฤnรญ smฤs se 'filtruje a filtrรกt se zลedรญ vodou. Vodnรก โsmฤs se -nฤkolikrรกt extrahuje smฤsรญ chloroformu a isopropanolu. Organickรก fรกze -se Spojรญ a spojenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem, chloridu sodnรฉho a protom - vysuลกรญ. Odpaลenรญm -rozpouลกtฤdla se zรญskรก odparek, kterรฝ pลi chromatografii na tenkรฉ vrstvฤ -vykazuje tลi hlavnรญ skvrny. โChloroformovรฝ roztok odparku se - chromatografuje na 30 g florisilu za pouลพitรญ chloroformu se stoupajรญcรญm Obsahem 2 aลพ โ0 % โmethanolu. Zรญskajรญ se tak - ฤtyลi frakce, -pลiฤemลพ kaลพdรก z nich -se oddฤlenฤ - , nechรก reagovat s 10 ml pyridinu - obsahujรญcรญm -0,5 - ml methansuufonylchloridu. Kaลพdรก reakฤnรญ smฤs se zลedรญ vodou -a potom - zalkalizuje โขkoncentrovanรฝm roztokem hydroxidu amonnรฉho. - Alkalickรฝ roztok se ve vลกech pลรญpadech extrahuje ethylacetรกtem a ethylacetรกtovรฝ extrakt se pro-myje - nasycenรฝm' vodnรฝm roztokem chloridu sodnรฉho a potom vysuลกรญ. 'ฤtvrtina takto zpracovanรฝch - - chromatografickรฝch - frakcรญ obsahuje podle NMR D-5-nHroppl-83-mesylyxymethhl-9-eegolen. Slouฤenina se - pลefiltruje pลes florisil - a zรญskรก se 250- img materiรกlu tajรญcรญho kolem โ50 QC za rozkladu. Potom 1,40 ml roztoku obsahujรญcรญho 25 g - methylmerlkaptanu v 100 ml dimethylacetamidu se pลidรก - k 40 - ml dimethylacetamidu- -a smฤs se ochladรญ v lรกzni -s ledem a vodou. K ochlazenรฉmu roztoku se - po ฤรกstech pลidรก 240 mg hydridu sodnรฉho ve formฤ 50% suspenze v minerรกlnรญm oleji. Reakฤnรญ smฤs se potom ohลeje na teplotu kolem 16 ยฐC a rychle se pลikape roztok 250 miligramลฏ D-6-n-proฯyl-8/lยทmesyloxymethyli ---argotenu v 10 ml dimythylacytamidu. Vzniklรก reakฤnรญ smฤs se mรญchรก 1,25 -hodiny v atmosfรฉลe dusรญku - pลi teplotฤ mรญstnosti, naฤeลพ se ochladรญ - a - zลedรญ vodou. - Vzniklรก vodnรก smฤs se nฤkolikrรกt extrahuje ethylacetรกtem. Eethylacetรกtovรฉ fรกze -se oddฤlรญ a spojรญ a spojenรฉ fรกze se promyjรญ -vodou a nasycenรฝm vodnรฝm -roztokem chloridu sodnรฉho. Spojenรฉ organickรฉ fรกze se vysuลกรญ a organickรฉ rozpouลกtฤdlo se odpaลรญ. Odparek pลi chromatografii na tenkรฉ vrstvฤ v podstatฤ poskytuje jednu skvrnu. Roztok odparku v etheru se filtruje pลes florisil a florisil se promyje etherem. Etherickรฝ roztok se potom zลedรญ hexanem a vรฝลกe uvedenou -reakcรญ se zรญskรก krystalickรฝ D-5-n-ฯropyi-8ฮฒ25
2ฮฒ
-methylnic-i-kapt^meth^yl-S-ฤgoleu. Slouฤenina se rozklรกdรก pลi teplotฤ 'kolem 197 ยฎC. Vรฝtฤลพek 100 mg.
Analรฝza vypoฤteno:
C 73,03, H 7,74, N 8,97, - S 10,26;
nalezeno:
C 73,05, H 7,94, N 9,26, S 10,31.
Pลรญklad 9 > Pลรญprava D-2-brom-6-n-propyl-83-methylm-erkaptomethylergolinu รญRcostoik 1,62 g N-bromsukcinimidu v 50 ml ยป dioxanu se rychle pลikape k roztoku 2,60 g
D-l^-i^-l^i^i^l^i^l-a.S-^i^รญ^tl^c^T^j^l^j^rlb^irylergolinu v 100- ml .dioxanu pลi teplotฤ kolem 63 ยฐC. - Reakฤnรญ smฤs se zahลรญvรก 2 hodiny pลi teplotฤ 60 aลพ 65 ยฐC v atmosfรฉลe dusรญku. Reakฤnรญ smฤs se naleje do smฤsi ledu a 14 N vodnรฉho hydroxidu amonnรฉho. Alkalickรก smฤs se extrahuje ethylacetรกtem -a ethylacetรกtovรฝ extrakt se promyje vodou a potom nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho. Ethylacetรกtovรก fรกze se potom vysuลกรญ a rozpouลกtฤdlo se odpaลรญ. Chromatografiรญ na tenkรฉ vrstvฤ vykazuje -odparek jednu hlavnรญ skvrnu. Chloroformovรฝ roztok odparku obsahujรญcรญ D-ลพ-brom^-n-p.ropyl-ลฏ/ร-inethoxykarbonylergolin vzniklรฝ vรฝลกe uvedenou reakcรญ se chromatografuje na 35 g filorisilu pouลพitรญm chloroformu s 1 % methanolu jako eluฤnรญho ฤinidla. Frakce, kterรฉ obsahujรญ pลi chrcmatografiiยท .na tenkรฉ vrstvฤ jednu hlavnรญ -skvrnu se spojรญ a zรญskรก se 1,6'4 g D-2-brom-6-n-ฯrpyyl-8/3ยทmethoxykarbnylergolinu teploty -tรกnรญ 167 aลพ 168 ยฐC. Krystalizacรญ z methanolu se zรญskรก materiรกl teploty tรกnรญ 168 aลพ 169 ยฐC.
Analรฝza vypoฤteno:
C 58,32, H 5,92, N 7,16;
) nalezeno:
C 58.,46, H 5,76, N 7,00.
t Roztdk 1,4 g D-2-<brฯm-6-n-yropyl-83-mothoxykarbonylergoilinu v 100 ml tetrahydrofuranu se ochladรญ ve smฤsi ledu a vody. Po ฤรกstech se pลidรก 1,5 g lithiumaluminiumhydridu. . Reakฤnรญ smฤs se mรญchรก pลi teplotฤ mรญstnosti asi jednu hodinu a potom se -ochladรญ. Pลebytek lithiumaluiminiumhydridu a jakรฉkoli organokovovรฉ slouฤeniny se rozloลพรญ pลidรกnรญm ethylacetรกtu a 10% vodnรฉho hydroxidu sodnรฉho. Reakฤnรญ smฤs se potom zลedรญ vodou a vodnรก fรกze se extrahuje smฤsรญ chloroformu a isopropanolu. Organickรฝ extrakt se oddฤlรญ, promyje -nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a -vysuลกรญ se. Odpaลenรญm -chloroformu se zรญskรก odparek, poskytujรญcรญ jednu hlavnรญ skvrnu pลi chromatogra-fii na tenkรฉ vrstvฤ. Krystalizacรญ --odparku ze smฤsi methanolu se zรญskรก D-2-ibro.m-6-nHropyll8/3jhydroxymethylergolm vzniklรฝ vรฝลกe- uvedenou reakcรญ, teploty tรกnรญ 208 aลพ 210 ยฐC. Vรฝtฤลพek 1,19 g.
Analรฝza vypoฤteno:
C 59,51, H 6,38, N 7,71, Br 21,99;
โขnalezeno:
C 59,55, H 6,14, N 7,50, Br 21,72.
Roztok 1,3 g D-2-brpm-6-n-prฯpyl-83-llydroxymethylergolinu se pลipravรญ v 50 ml pyridinu. Pลidรก -se 1,5 -ml methansulfฯnylchlฯะณldu a reakฤnรญ smฤs se. mรญchรก 1,5 hodiny. Reakฤnรญ smฤs se potom ะฟ8^ะพ na smฤs ledu a 14 N vodnรฉho hydroxidu amonnรฉho. Alkalickรก vodnรก fรกze se extrahuje othylacotรกtem a othylacotรกtpvรก fรกze se oddฤlรญ a promyje vodou a nasycenรฝm' vodnรฝm roztokem chloridu sodnรฉho. Ethylacatรกtovรฝ roztok se vysuลกรญ a ฮฟ^ฮนฮ-ฮฟฮฟ-ฮ^ฮ se - odpaลรญ. Odparek podle chrpmatpgrafio na tenkรฉ vrstvฤ- sestรกvรก z jednรฉ -hlavnรญ sloลพky. Krystalizaci odparku z methanolu se zรญskรก D-2-bยท^oั-6-n-prฯyyl-8;0-ฮนmosylฯฯymethylยทorgplin. Vรฝtฤลพek 1,43 g.
Analรฝza vypoฤteno:
C 50,74, H 6,17, N 5,92;
nalezeno:
C -50,90, H 6,03, N 6,00.
-m1 roztoku methylmerkaptanu v dime-thylacetamidu (40 mmol mothylmerka.ytanu] a 100 ml dimothylacetamidu -se -ochladรญ v lรกzni s ledem. Po! ฤรกstech se pลidรก 1,6 g hydridu sodnรฉho ve fdrmฤ 50% suspenze v minerรกlnรญm oleji. Smฤs se nechรก ohลรกt na teplotu kolem 15 ยฐC a rychle se pลi-kape roztok -1,5 g D-2-brPm-6-n-yropylยทยท83-mosyloxymethytergolinu v 40 ml 'dimethylacetamidu. Reakฤnรญ smฤs se potom mรญchรก pลi- -teplotฤ mรญstnosti v atmosfรฉลe - dusรญku po dobu 1,5hodiny, naฤeลพ se ochladรญ a zลedรญ vodou. Vodnรก fรกze se nฤkolikrรกt - extrahuje ethylanetรก-tem a othylacotรกtpvรฉ extrakty se - oddฤlรญ, a spojรญ- Spojenรฉ extrakty - se promyjรญ vodou a nasycenรฝmยท vodnรฝm โขlOztokem chloridu sodnรฉho, naฤeลพ se vysuลกรญ. Odpaลenรญm rozpouลกtฤdla ve -vakuu se zรญskรก odparek, kterรฝ pลi chiromatografii na tenkรฉ vrstvฤ poskytuje -1 hlavnรญ -skvrnu. Krystalizaci odparku -z methanolu se zรญskรก D-2-brom-6-n-yropy^l-83-mRjhylmel'Irapะฃopmthylฮธtgolin teploty tรกnรญ 159 aลพ 161- ยฐC. Vรฝtฤลพek 1,08 g.
Mothan.sulfpnรกtpvรก sลฏl se- pลipravรญ rozpuลกtฤnรญm- 950 mg D-2-brom-6-n-propy--83-methylmolr.kaptPฮฏnethyltrgolinu v asi 25 ml horkรฉho methanolu. Pลidรก se 1,6 ml rozteku imethansulfonovรฉ kyseliny obsahujรญcรญho
28
2,5 mmol kyseliny a roztok se ochladรญ. Reakฤnรญ smฤs se potom zลedรญ etherem a zรญskรก se 940 mg methansulfonรกtovรฉ soli teploty tรกnรญ 255ยฐC (rozkl.).
Vรฝchozรญ materiรกl pro vรฝลกe uvedenou reakci, D-6-n-propyl-8/3-methoxykarbonylergolin se mลฏลพe pลipravit z methyldihydrolysergรกtu stejnรฝm reakฤnรญm sledem popsanรฝm v pลรญkladu 8 pรญro pลรญpravu odpovรญdajรญcรญho 6-n-propylderivรกtu methyllysergรกtu.
Pลรญklad 10
Pลรญprava D-6-n-prOpyl-8jS-methylsulfinylimethylergolinu
Pลipravรญ se roztok 1,2 g methansulfonรกtu D-e-n-ipropyl-SjS-methylmerkaptomethylergolinu v 100 ml vody. Pลidรก se roztok 685 miligramลฏ jodistanu sodnรฉho v 25 ml vody a vzniklรก reakฤnรญ smฤs se mรญchรก 17 hodin pลi teplotฤ mรญstnosti. Reakฤnรญ smฤs se potom zลedรญ vodnรฝm roztokem kyselรฉho uhliฤitanu sodnรฉho a alkalickรก fรกze se extrahuje smฤsรญ chloroformu a isopropanolu. Organickรฝ extrakt se oddฤlรญ, promyje nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a vysuลกรญ se. Odpaลenรญm rozpouลกtฤdla se zรญskรก odparek, kterรฝ se rozpustรญ ve vroucรญm methanolu, ke kterรฉmu bylo pลidรกno 0,2 ml methansulfonovรฉ kyseliny. Roztok se ochladรญ na teplotu mรญstnosti a zลedรญ se stejnรฝm objemem etheru. Rozpouลกtฤdlo se odstranรญ ve vakuu a odparek se znovu rozpustรญ v 100 ,ml vroucรญho acetonu. Acetonovรฝ roztok se filtruje a ochladรญ. Zรญskรก se krystalickรฝ methansulfonรกt D-6-n-propyl-6/3-methylsulfinylmethylergolinu teploty tรกnรญ 200 aลพ 209 QC (rozkl.).
Analรฝza vypoฤteno:
C 56,31, H 7,09, N 6,57, S 15,03;
nalezeno:
C 56,09, H 6,85, N 6,41, S 14,86.
โข Odpovรญdajรญcรญ volnรก bรกze se pลipravรญ standardnรญm postupem a vykazuje teplotu tรกnรญ 173 aลพ 175ยฐC (rozkl.).
Analรฝza vypoฤteno:
C 69,05, H 7,93, N 8,48, S 9,70;
nalezeno:
ะก 60,99, H 7,68, N 8,71, S 9,76.
Tepto produkt se mลฏลพe oxidovat perkyselinou, jako je penohlorbenzoovรก kyselina a pลipravรญ se slouฤenina podle pลรญkladu 11.
P ล รญ ะบ 1 ad 11
Pลรญprava D-e-n-propyl-SjS-methylsulfonylmethylergolinu
Pลipravรญ se reakฤnรญ smฤs z 3,6 g D-6-n-propyl-7/3-mesyloxymethylergolinu, 10 g methansulfinรกtu sodnรฉho a 200 ml dimethylfor,mamidu. Smฤs se v atmosfรฉลe dusรญku zahลรญvรก na 100 ยฐC ipo dobu 3,75 hodiny. Reakฤnรญ smฤs se potom zลedรญ vodou a vodnรก smฤs se nฤkolikrรกt extrahuje ethylacetรกtem. . Ethylacetรกtovรฉ fรกze se spojรญ a spojenรฝ extrakt se promyje vodou, nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom se vysuลกรญ. Odpaลenรญm ethylacetรกtu se zรญskรก odparek sestรกvajรญcรญ z D-6-n-prppyl-8/3-methylsulfonylmethylergolinu vytvoลenรฉho vรฝลกe uvedenou reakcรญ. Odparek se rozpustรญ v chloroformu a chloroformovรฝ roztok se chromatografuje na 200 g florisilu pouลพitรญm chloroformu se zvyลกujรญcรญm se mnoลพstvรญm 2 aลพ 4 % methanolu jakoลพto eluฤnรญho ฤinidla. Zรญskajรญ se dvฤ hlavnรญ frakce, jedna pohybujรญcรญ se pลi chromatografiรญ na tenkรฉ vrstvฤ pลed vรฝchozรญm' materiรกlem a jedna pohybujรญcรญ se za nรญm. Frakce obsahujรญcรญ tuto druhou pomaleji se pohybujรญcรญ sloลพku se spojรญ a rozpouลกtฤdlo se odpaลรญ. Krystalizaci odparku z methanolu se zรญskรก krystalickรฝ D-6-n-propyl-S^-metihylsulfonylmethylergolin teploty tรกnรญ 184 aลพ 186 ยฐC. Vรฝtฤลพek 690 mg.
Analรฝza vypoฤteno:
C 6.5,86, H 7,56, N 8,09, S 9,25;
ะณัะพ! (V
C 66,08, H 7,49, N 7,88, S 9,05.
Sลฏl s methansulfonovou kyselinou se pลipravรญ standardnรญm postupem v methanolu.
Pลรญklad 12
Pลรญprava D-2-chlor-6-in-propyl-8/J-methylmerkaptomethylergolinu
7,2 g D-6-n-propyl-&jS-mesyloxymethylergolinu se rozpustรญ v 100 ml methylendichloridu a 380 ml acetonitrilu. Pลidรก se 6,3 ml bortrifluoridetherรกtu a smฤs se ochladรญ na 0 aลพ 5 ยฐC. Potom se bฤhem 10 minut pลikape roztok 1,80 ml sulfurylchloridu v 30 ml methylendichloTidu. Reakฤnรญ smฤs se mรญchรก 30 minut za chlazenรญ a potom se zลedรญ 5% vodnรฝm hydroxidem amonnรฝm. Alkalickรก fรกze se nฤkolikrรกt extrahuje smฤsรญ chloroformu a isopropanolu. Organickรฉ extrakty se spojรญ a spojenรฉ extrakty se promyjรญ nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho a potom vysuลกรญ. Rozpouลกtฤdlo se odpaลรญ a vzniklรฝ odparek se rozpustรญ v methylendichloridu. Methylendichloridovรฝ roztok se chromatografuje na 200 g florisilu pouลพitรญm methylendichloridu, obsahujรญcรญho zvyลกujรญcรญ se mnoลพstvรญ (2 aลพ 3 %) methanolu jakoลพto eluฤnรญho' ฤinidla. Chromatografie se sleduje chromatografiรญ na tenkรฉ vrstvฤ. Frakce obsahujรญcรญ lรกtku pohybujรญcรญ se rychleji neลพ vรฝchozรญ materiรกl se spojรญ a rozpouลกtฤdlo se odpaลรญ ve vakuu. Tyto frakce obsahujรญcรญ Dโ2-chlo)r-6-n-propyl-8-mesyloxymethylergolin vytvoลenรฝ vรฝลกe uvedenou reakcรญ se pลekrystalujรญ z methanolu a zรญskรก se krystalickรฝ materiรกl teploty tรกnรญ 130 aลพ 131 ยฐC (82% vรฝtฤลพek). Druhou krystalizaci z methanolu se zรญskรก slouฤenina teploty tรกnรญ 133 aลพ 135 ยฐC.
Analรฝza vypoฤteno:
C 57,49, H 6,35, N 7,06, Cl 8,9i3, S 8,08;
nalezeno:
C 57,29, H 6,20, N 7,12, Cl 9,13, S 8,21.
Roztok 7 g methylmerkaptanu v 200 ml dimethylformalmidu se ochladรญ v lรกzni s ledem na teplotu asi 0ยฐC. Po ฤรกstech se potom pลidรก 9,6 g hydridu sodnรฉho ve formฤ 50% suspenze v minerรกlnรญm oleji a vytvoลรญ se tam methylmerkaptid. Ochlazenรก lรกzeล se odstranรญ a v mรญchรกnรญ se pokraฤuje kolem 10 minut, naฤeลพ se rychle pลikape roztok
6,2 g D-2-chloir-6-n-propyl-8|3-mesyloxymethylergolinu v 75 ml diimethylformamidu. Reakฤnรญ smฤs se mรญchรก dalลกรญ hodinu v atmosfรฉลe dusรญku a potom se zลedรญ vodou. Vodnรฝ roztok se nฤkolikrรกt extrahuje ethylacetรกtem.. Ethylaicetรกtovรฉ extrakty se spojรญ a potom se spojenรฉ fรกze promyjรญ vodou a nasycenรฝm vodnรฝm roztokem chloridu sodnรฉho. Ethylacetรกtovรก fรกze se vysuลกรญ a ethylacetรกt se odpaลรญ. Odparek se promyje etherem a etherickรฝ promรฝvacรญ roztok se zลedรญ hexanem. Vรฝลกe popsanou reakcรญ se zรญskรก 4,4 gramu krystalickรฉho materiรกlu teploty tรกnรญ 183 aลพ 186 ยฐC sestรกvajรญcรญho z D-2-chlor-6-n-propyl-8/3-methylmerkรกptomeลฅhylergolinu. Slouฤenina se pลevede na methansulfonรกt, kiterรฝ se po krystalizaci z methanolu a etheru vykazuje teplotu tรกnรญ 267 aลพ 269 ยฐC (rozkl.).
Analรฝza vypoฤteno:
C 53,98, H 6,57, N 6,29, Cl 7,97, S 14,41;
nalezeno:
C 54,22, H 6,64, N 6,45, Cl 8,13, S 14,20.
Pลรญklad 13
Pลรญprava D-6-n-propyl-8/3-methylimerkaptomethylergolinu
Jestliลพe se alkylaฤnรญ reakce podle pลรญkladu 1 opakuje za pouลพitรญ 315 mg D-8/3-methylmerkaptomethylergolinu, 0,12 ml n-propyljodidu a 275 mg uhliฤitanu draselnรฉhoยท v ml diรญmethylformamidu a reakce se pro30 vรกdรญ 22,5 hodin a zpracuje vรฝลกe uvedenรฝm postupem, zรญskรก se D-6->n-propyl-8$-methylmerkaptomethylergolin. Tento produkt se pลevede na methansulfonรกt postupem podle pลรญkladu 1 a zรญskรก se 250 mg D-6-n-piropyl-8/3-methylmerkaptomethylergolin methansulfonรกtu teploty tรกnรญ 259 aลพ 262 ยฐC [rozkl.).
P ล รญ ะบ 1 a d 14
Pลรญprava D-6-n-propyl-8/3-methylmerkaptomethylergolinu mg D-6-allyl-8j3-methylmerkaptomethylergolin methansulfonรกtu, pลipravenรฉho v pลรญkladu 4 se hydrogenuje na 10 mg 51% palladia ,na uhlรญ v 5 ml smฤsi 80 % ethanolu a 2ฮ % vody za tlaku vodรญku l,รil X 10ยฎ dynลฏ/cm2. Hydrogenace se provรกdรญ 20 hodin. Katalyzรกtor :se odfiltruje a filtrรกt se zahustรญ ve vakuu pลi 45 ยฐC. Odparek se rozpustรญ v 10 ml methanolu, pลidรก se 0.5 g florisilu a pลi 45 ยฐC se methanol odpaลรญ ve vakuu. Florisil se potom chromatografuje pouลพitรญm chloroformu obsahujรญcรญho zvyลกujรญcรญ se mnoลพstvรญ [1 aลพ 10%) methanolu jakoลพto eluฤnรญho ฤinidla. Prลฏbฤh chromรกtografie se sleduje chromatografiรญ na tenkรฉ vrstvฤ. Frakce obsahujรญcรญ lรกtku pohybujรญcรญ se mรญrnฤ rychleji neลพ vรฝchozรญ materiรกl se jรญmรก a rozpouลกtฤdlo se odpaลรญ ve vakuu. Tato frakce se pลekrystaluje z etheru a vysuลกenรญm ve vakuu se zรญskรก 31 mg D-6-n-propyl-8/5-methylmeTkaptomethylergolinu teploty tรกnรญ 253 aลพ 256!O|C (rozkl.).
Pลรญklad 15
Pลรญprava D-2-cihloir-6-n-propyl-8/3-methylsulfinylmethylergolinu.
Roztok 1,05 g (3,0 mmol) D-2-chlor-6-n-propyl-8|3-methylmerkaptomethylergolinu a 0,20 ml (3,1 mmol) methansulfonovรฉ โขkyseliny v 50 ml methanolu se najednou pลidรก ะบ roztoku 665 mg (3,3 mmol) m-chlorperbenzoovรฉ kyseliny (85%) v 2'5 ml chloroformu. Smฤs se mรญchรก 30 minut v atmosfรฉลe dusรญku. Organickรฉ rozpouลกtฤdlo se odpaลรญ ve vakuu. Odparek pลi chromatografiรญ na tenkรฉ ivrstvฤ poskytuje jednu skvrnu. Roztok odparku v chloroformu se pลefiltruje pลes 50 g kysliฤnรญku hlinitรฉho a pลes florisil. Florisil se promyje 2 aลพ 4 % methanolu. Spojenรฉ roztoky se potom zลedรญ diethyleitheireim, ze kterรฉhoยท vykrystaluje D-2-chlor-6-n-propyl-8/3-methylsulfinylmethylergolin teploty tรกnรญ 142 aลพ 150 ยฐC. Vรฝtฤลพek 250 miligramลฏ.
Analรฝza vypoฤteno:
C 62,53, H 6,91, N 7,68, Cl 9,71,
S 8,79;
โขnalezeno:
C 62,66, H 6,73, N 7,50, Cl 9,88, S 9,01.
Pลรญklad 16
Pลรญprava D-2-chlar-6jn-prop^yll8(3-m-ethy.llullonylmethylergolinu
D-2-chl-or-6-n-pr ะพััะฌะฒะ -imethylsulfinylmethylergolinu, 0,49 g (1,3 mmol), a 0,10 ml (1,5 mmol) methansulfonovรฉ kyseliny se rozpustรญ v 50 ml methanolu. Roztok se -najednou pลidรก - -k roztoku 295 -mg (1,5- mmol) m-cyloip>e'ribe.njzoovรฉ kyseliny - v 25 ml chloroformu. Smฤs se .mรญchรก 30 -minut v atmosfรฉลe dusรญku. Organickรก fรกze -se -odpaลรญ ve vakuu. Odparek pลi chromatografiรญ na tenkรฉ vrstvฤ poskytuje jednu skvrnu. Odparek se - -rozpustรญ v chloroformu, pลefiltruje pลes 50 g kysliฤnรญku - hlinitรฉho a pลes florisil. Roztok se potom zลedรญ diethyletherem, ze kterรฉho vykrystaluje D^-chlor-G-n-propyl-8/ฮฏ-methyl,sullonylmethyl'ergoะn teploty tรกnรญ 212 aลพ - 215 ยฐC - (rozkk). Vรฝtฤลพek 275 mg.
Analรฝza vypoฤteno:
C -59,91, H 6,62, N 7,35, S 8,42, Cl 9,31;
nalezeno:
C 59,63, H 6,34, N 7,14, S 8,32, Cl 9,38.
Pro prokรกzรกnรญ pouลพitelnosti slouฤenin vzorce I pลi lรฉฤenรญ Parkinsonova syndromu byl pouลพit eifekt ovlivลujรญcรญ -chovรกnรญ svรญjenรญ krys po aplikaci 6lะฃydroxydopaminu. Pลi tomto testu se pouลพรญvajรญ krysy pลipravenรฉ podle - postupu Ungerstedta -a Arbutะฃnotยทta Brain - Res. 24 485 (1970). Slouฤenina s dopaminovรฝm รบฤinkem zpลฏsobuje u 'krys, ลพe- se otรกฤejรญ doยท -kruhลฏ smฤrem ke stranฤ zranฤnรญ. Po- latenฤnรญm obdobรญ, kterรฉ je rลฏznรฉ pro rลฏznรฉ slouฤeniny se poฤรญtรก -poฤet otรกฤek bฤhem- 15 minutovรฉ periody. D-O-n-propyl^lInetะฃyimeะณkaฯtomet]ะฃylergolin mesylรกt nejen ลพ-e mรก velmi krรกtkou dobu letence 6 nebo - 7 minut, -ale u zranฤnรฝch krys vyvolรกvรก v prลฏmฤru aลพ 105 otรกฤek.
Vรฝsledky zรญskanรฉ z testovรกnรญ -tรฉtoยท slouฤeniny a jinรฝch pลรญbuznรฝch slouฤenin a jinรฝch pลรญbuznรฝch slouฤenin pลi testu otรกฤejรญcรญch krys - jsou uvedeny v tabulce 1. Slouฤeniny se rozpustรญ ve - vodฤ a -vodnรฝ roztok se injikuje krysรกm intraperitoneรกlnฤ. V tabulce jsou ve sloupci 1 uvedeny nรกzvy -slouฤenin, ve sloupci 2 -intraperitoneรกlnรญ dรกvka v mg na kilogram, ve sloupci 3 procenta testovanรฝch zvรญลat vykazujรญcรญch otรกฤivรฉ chovรกnรญ, ve sloupci 4 doba- latence, ve sloupci 5 tnvรกnรญ รบฤinku a ve sloupci - 6 prลฏmฤrnรฝ poฤet otรกฤek pozorovanรฝch bฤhem prvnรญch 15 -minut po konci latenฤnรญ periody.
Tabulka 1 nรกzev slouฤeniny
| IP dรกvka | % krys | doba | dรฉlka | prลฏmฤrnรฝ |
| v mg/kg | vykazujรญ- | latence | รบฤinku | poฤet |
| cรญch | v minu- | v -hod. | otรกฤek | |
| otรกฤivรฉ | tรกch | na krysu | ||
| chovรกnรญ |
| D-6-.n-p.ropyl-8ฮฒ-methylmerkaptOl | 1 | 100 | 5 aลพ 7 24+ | 105 | |
| methylergolin mesylรกt D-6-ethyi-8ะ-metะฃylmerkapto- | 1 | 100 | 9 | 2+ | 112 |
| metะฃyiergoiin mesylรกt D-6-n-pะณoฮนpyil8/3mottyyl^nerkaptOl | 1 | 100 | 4 | 2+ | 200 |
| methyl^-ergo^n D-6-n.^propyl-8-lnettlylmerkapto- | 1 | 100 | 4 | 1 | 118 |
| methyl^-ergolen maleinรกt Dl2-brom-6-nlproฮนpyll8/3-metะฃyi- | 1 | 100 | 5 | 1 | 71 |
| merkaptomethylergoยทlin mesylรกt D-6-n-lpropyl-8/Smethylsulfinyll | 1 | 100 | 7 | 1 | 6i5 |
| methylergolin mesylรกt D-6-metะฃyl-8ฮฒ-mรฉthyimerkaptOl | 1 | 50 | 30- aลพ 45 | ~2 | 51 |
| methylergolin mesylรกt* D-6-n-propyi-8/3-methQxymethyl- | 1 | 100 | 6 | 2+ | 111 |
ergolin -mesylรกt * Z USA patentu ฤ. 3 901 894
Slouฤeniny vzorce I jsou takรฉ pouลพitelnรฉ jako inhibitory prolaktinu a jako takovรฉ se miohou pouลพรญt ipro lรฉฤenรญ nevhodnรฝch la/k-tacรญ, jako je laktace ipo porodu nebo galaktorrhea. Dรกle jsou slouฤeniny takรฉ pouลพitelnรฉ pลi lรฉฤenรญ Parkinsonovรฝch syndromลฏ.
Jako evidence pouลพitelnosti pลi lรฉฤenรญ nemocรญ u kterรฝch je ลพรกdoucรญ sniลพovat hladinu prolaktinu, byla prokรกzรกna inhibice prolaktinu slouฤeninami podle vynรกlezu nรกsledujรญcรญm zpลฏsobem.
Dospฤlรญ samci krys kmene Spr.ague-Dawley vรกhy 2<00. g se umรญstรญ v klimatizovanรฉ I mรญstnosti s kontrolovanรฝm osvitem v dobฤ od ลกesti do 20 hodin a krmรญ se laboratornรญ potravou a vodou ipodle libosti. Kaลพdรฉ kryse se aplikuje intraperitoneรกlnรญ injekce 2,0 j miligramu reserpinu ve vodnรฉ suspenzi 18 hodin pลed aplikacรญ ergolinu. Pลฏsobenรญm reserpinu se udrลพujรญ hladiny prolaktinu stejnomฤrnฤ zvรฝลกenรฉ. Testovanรฉ slouฤeniny se rozpustรญ v 10% ethanolu v koncentraci, 10 jzg/ml a intraperitoneรกlnฤ se injikujรญ standardnรญ dรกvky 50 ^g/'kg. Kaลพdรก slouฤenina se aplikuje skupinฤ 10 krys a kontrolnรญ skupina 10 samcลฏ obdrลพรญ ekvivalentnรญ mnoลพstvรญ 10 % ethanolu. Jednu hodinu po oลกetลenรญ se vลกechny krysy zabijรญ a alikvoลฅnรญ po<dรญly 150 ฮผฮ sรฉra se analyzujรญ na obsah prolaktinu. Vรฝsledky se hodnotรญ statisticky pouลพitรญm studentova โtโ testu a vypoฤรญtรกvรก se hladina vรฝznamnosti โpโ zmฤn hladiny prolaktinu.
Rozdรญl mezi hladinou prolaktinu oลกetลenรฝch krys a hladinou (prolaktinu kontrolnรญch krys dฤlenรฝ hladinou prolaktinu kontrolnรญch krys poskytuje รบdaje o procentech inhibice sekrece prolaktinu pro pลรญsluลกnรฉ slouฤeniny vzorce I. Tato procenta inhibice jsou uvedena v tabulce 2 nรญลพe. V tabulce ve sloupci 1 je uveden nรกzev slouฤeniny, ve sloupci 2 hladina prolaktinu pro kaลพdou skupinu krys, ve sloupci 3 procento inhibice prolaktinu a ve sloupci 4 hladiny vรฝznamnosti. Data byla zรญskรกna ve tลech oddฤlenรฝch pokusech, z nichลพ kaลพdรฝ mฤl vlastnรญ kontrolnรญ skupinu. Vรฝsledky tohoto pokusu jsou shrnuty v tabulce 2.
Tabulka 2 nรกzev slouฤeniny hladina prolaktinu procento inhibice hladina v sรฉru (mg/ml) prolaktinu v sรฉru vรฝznamnosti โpโ
| Pokus 1 | |||
| Kontrola | 30,4+3,4 | โ | โ |
| D-6-n-propyl-8j3-methylmerkaptomethylergolin mesylรกt | 1,6+0,4 | 95% | <0,001 |
| D-6-methyl-8/3-methylmeirkaptomethylergolin mesylรกt4 Pokus 2 | 12,8+ | 58 % | <0,01 |
| Kontrola | 55,2+4,1 | โ | โ |
| D-6-n-propyl-8/3-methoxymethylergolin mesylรกt Pokus 3 | 2,4+0,2 | 96 % | <0,001 |
| Kontrola | 42,3+7,3 | โ | โ |
| D-6-ethyl-8/3-imethylmerkaptomethylergoltn mesylรกt | 3,9+0,4 | 91 % | <0,001 |
| D-6-n-propyl-8/3-meithylmerkaptoโmethyl-9-ergolen | 8,1+1,2 | 81% | <0,001 |
| D-6-n-propyl-8-methylmerkaptomethyl-8-ergolen maleinรกt | 3,9+0,2 | 91 % | <0,001 |
| D-6-ethyl-8/3-methylmierkaptqmethyleirgolin mesylรกt | 3,9+0,4 | 91 % | <0,001 |
| D-8-n-propyl-8/?-methylmerkaptomethyl-9-ergolen | 8,1+1,2 | 81 % | <0,001 |
| D-6-n-propyl-8-methylmerikaptomethyl-8-ergolen maleinรกt | 3,9+0,2 | 91 % | <0,001 |
| Kontrola | 42,3+7,3 | โ | โ |
| D-2-brom-6-n-propyl-8/lยท -methylmerkaptomethylergolin mesylรกt | 4,6+0,4 | 89 % | <0,001 |
| D-6-n-propyl-8/?-methylsulfinylimethylergolin mesylรกt x z USA patentu ฤ. 3 901894 | 3,3+0,1 | 92% | <0,001 |
0 3 9 51
Pouลพitรญm kลivky zรญskanรฉ z odpovฤdรญ na jednotlivรฉ dรกvky bylo stanoveno, ลพe D-6-n-propyl-8/3-imethylmerkaiptomethylergolin mesylรกt je asi lOOkrรกt รบฤinnฤjลกรญm inhibitorem prolaktinu neลพ odpovรญdajรญcรญ D-6-methylslouฤenina a asi 30krรกt รบฤinnฤjลกรญ v testu zranฤnรฝch otรกฤejรญcรญch se krys s 6-hydroxydoipamรญnem, neลพ jakรฉ vykazuje D-6-methylderivรกt.
ะัะพัะฟั toho slouฤeniny vzorce I, zejmรฉna D-e-n-propyl-S^-methylmerkaptomethylergolin a jeho ฮ8 a A9 derivรกty jsou vรฝznamnฤ รบฤinnรฝmi inhibitory vysokรฉ afinity vazby tritiovanรฉho dopaminu na receptory dopaminu 'pลรญtomnรฉ v membrรกnรกch z rรฝhovanรฝch synaptosomลฏ hovฤzรญho mozku viz Bymaster a Wong, Fed. Proฤ. 36 1006 (1977) a tudรญลพ pravdฤpodobnฤ pouลพitelnรฉ pลi lรฉฤenรญ Parkinsonismu. V tabulce 3 nรญลพe jsou uvedeny nรกsledujรญcรญ sรฉrie stanovenรญ inhibice nฤkterรฝch ergolinลฏ, 8-ergolenลฏ a 9-ergolenลฏ jak podle vynรกlezu, tak znรกmรฝch slouฤenin. V tabulce ve sloupci 1 jsou uvedeny nรกzvy slouฤenin a ve sloupci 2 K, (v nanomolech), koncentrace poลพadovanรฉho inhibitoru pro zpolmalenรญ reakce na 1/2 pลฏvodnรญ reakฤnรญ rychlosti.
Tabulka 3 nรกzev slouฤeniny K, (nM)
D-6-n-propyl-8/3-methylmerkaiptomiethylergolin mesylรกt3+1
D-6-n-pro'pyl-8-m.ethylmerkaptomethyl-8-ergolen maleinรกt2
D-6-n-prqpyl-8/3-methylmerkaptomeithyl-9-ergolen2
D-2-brom-6-n-propyl-8+methylmerkaptomethylergolin mesylรกt3
D-6-ally 1-8/3 Hmethylmenkaptomethylergolin mesylรกt5
D-6-ethyl-8/3-imietihylmerkapto methylergolin mesylรกt3,5
D-6-n-propyl-8/3-methoxymethylergolin mesylรกt10
PลEDMฤT znรกmรฉ slouฤeniny K, (nM)
D-6-methyl-8$-methylmerkaptomethylergolin mesylรกt13
D-6-methyl-&/3-imethoxymethylergolin mesylรกt75
D-6-methyl-8/3-methylmerkaptomethyl-9-ergolen6
D-2-chlor-6-methyl-8/3-methylmerkaptomethylergolin mesylรกt6
Slouฤeniny vzorce I, zejmรฉna D-6-n-propyl-8j3-methylmerkaiptomethylergolin, jsou pลekvapivฤ spรญลกe agonisty serotoninu, neลพf antagonisty, jako jsou ergoleny nebo ergoliny.
Pลi pouลพitรญ slouฤenin vzorce I pro inhibici sekrece prolaktinu nebo pro lรฉฤenรญ Par-$ kinsonova syndromu nebo ostatnรญch farmakologickรฝch รบฤinkลฏ se ergolin, 8-ergolen nebo 9-ergolen nebo jejich soli s farmaceuticky รบฤinnรฝmi kyselinami aplikujรญ osobรกm trpรญcรญm Parklnsonismem nebo potลebou snรญลพenรญ hladiny prolaktinu v mnoลพstvรญ od 0,01 do 15 mg na kg hmotnosti savce. Proยท D-6-n-propyl-a+methylmerkaptomethylergolin se pouลพรญvรก dรกvka v rozmezรญ od 0,01 do 0,5 mg. Orรกlnรญ aplikace je preferovanรก. Jestliลพe se pouลพรญvรก parenterรกlnรญ aplikace pouลพรญvajรญ se s vรฝhodou podkoลพnรญ injekce za pouลพitรญ farmaceutickรฝch pลรญpravkลฏ znรกmรฝch odbornรญkลฏm. Stejnฤ รบฤinnรฉ jsou i ostatnรญ zpลฏsoby parenterรกlnรญ aplikace, jako je intrapentoneรกlnรญ, intramuskulรกrm nebo intravenรณznรญ aplikace. Pro orรกlnรญ aplikaci se mลฏลพe slouฤenina vzorce I ve formฤ volnรฉ bรกze nebo ve formฤ soli mลฏลพe smรญsit se standardnรญmi farmaceutickรฝmi pลรญpravky a plnรญ se jimi prรกzdnรฉ teleskopickรฉ ลพelรกtlnovรฉ kapsle nebo se smฤs lisuje na tablety.
Claims (12)
1. Zpลฏsob pลรญpravy derivรกtลฏ ergolinลฏ o
X je atom vodรญku, chloru nebo bromu a teฤkovanรก ฤรกra znamenรก pลรญpadnou pลรญtomnosti dvojnรฉ vazby a jejich farmaceuticky vhodnรฝch solรญ s kyselinami, vyznaฤenรฝ tรญm, ลพe se slouฤenina obecnรฉho vzorce II kde
R1 je ethyl, n-propyl nebo allyl,
Y je O, S nebo SOa kde
Q je odstupujรญcรญ skupina,
X je atom vodรญku, chloru nebo bromu,
R2 je atom vodรญku, ethyl, n-propyl nebo allyl, nechรก reagovat v libovolnรฉm poลadรญ s
A) alkylaฤnรญm ฤinidlem, jestliลพe R2 je atom vodรญku,
B) vytฤsลujรญcรญm ฤinidlem, kterรฉ nahradรญ substituent v poloze 8, obecnรฉho vzorce III | R3โYโะกะะท (ฮฮ ), kde
I Y je O, S nebo SOลพ a
R3 je alkalickรฝ kov nebo kvartรฉrnรญ amoniovรฝ zbytek,
C) halogenaฤnรญm ฤinidlem, jestliลพe X je atom voldรญku,
D) pลรญpadnฤ s hydrogenaฤnรญm ฤinidlem, jestliลพe R2 je allyl a/nebo je pลรญtomna vazba ฮ8 neboยท ฮ9.
2. Zpลฏsob podle bodu 1, vyznaฤenรฝ tรญm, ลพe se jako vรฝchozรญ materiรกl pouลพije slouฤenina obecnรฉho vzorce II, kde Q je atom chloru, bromu nebo jodu, nebo ester sulfonovรฉ kyseliny, jako je methyl-, ethyl-, propyl-, fenyl-, benzyl- nebo tolylsulfonรกt.
3. Zpลฏsob podle bodu 1(B), vyznaฤenรฝ tรญm, ลพe se jako vรฝchozรญ materiรกl pouลพije slouฤenina obecnรฉho vzorce III, kde R3 je atom sodรญku nebo N,N,N-trimethyl-N-benzylamoniummethylรกtovรฝ zbytek.
4. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-n-propyl-8$-methylmerkaptomethylergolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-n^propyl-8j3-mesyloxymethylergolin se sodnou solรญ mรฉthylmerkaptanu.
5. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-n-propyl-8j3-รญmethoxymethylergolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-n-propyl-&/3-mesyloxymethylergolin s ฮ,ฮ,ฮ-triรญmethyl-N-benzylamoiniummethylรกtem.
6. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-allyl-8'/3-methylmerka|ptomethyleTgolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-allyl-8/?-mesyloxyimethylergolin se sodnou solรญ mรฉthylmerkaptanu.
7. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-ethyl-8/3-methylmerikaptomethylergolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-รฉthyl-8/3-mesyloxymethylergolin se sodnou solรญ mรฉthylmerkaptanu.
8. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-n-propyl-8jmethylmerkaptomethyl-8-ergolenu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-n-propyl-8-chlormethyl-8-ergolen se sodnou solรญ imethylmerkapta>nu.
9. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-n-propyl-8/3-mรฉthylmeลฅkaptomethyl-9-ergolenu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-n-propyl-8/?-mesyloxymethyl-9-ergolen se sodnou solรญ mรฉthylmerkaptanu.
10. Zpลฏsob podle bodu 1(B) pro pลรญpravu D-6-n-propyl-8,6-methylsulfonylmethylergolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-n-propyl-8j3nmesyloxymethylergolin s methansulfinรกtem sodnรฝm.
11. Zpลฏsob podle bodu 1(A) pro pลรญpravu D-6-n-propyl-8/3-me'thy]imerkaptomethylergolinu, vyznaฤenรฝ tรญm, ลพe se .nechรก reagovat D-8/3-methyImerkaptomethylergolin s n-propyljodidem.
12. Zpลฏsob podle bodu 1(D) pro pลรญpravu D-6-n-propyl-8/3-'methylmerkaptomethylergolinu, vyznaฤenรฝ tรญm, ลพe se nechรก reagovat D-6-allyl-8/3-methylmerkaptomethylergolin s vodรญkem na 5% palladiu na uhlรญ.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/875,978 US4166182A (en) | 1978-02-08 | 1978-02-08 | 6-n-propyl-8-methoxymethyl or methylmercaptomethylergolines and related compounds |
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|---|---|
| CS203951B2 true CS203951B2 (en) | 1981-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS79884A CS203951B2 (en) | 1978-02-08 | 1979-02-08 | Method of preparing ergoline derivatives |
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| US7339060B2 (en) | 2005-03-23 | 2008-03-04 | Resolution Chemicals, Ltd. | Preparation of cabergoline |
| US7939665B2 (en) * | 2007-05-04 | 2011-05-10 | Apotex Pharmachem Inc. | Efficient process for the preparation of cabergoline and its intermediates |
| EP2113504A1 (en) * | 2008-04-29 | 2009-11-04 | LEK Pharmaceuticals D.D. | Preparation of N-6 demethylated, 9,10-dihydrolysergic acid alkyl esters |
| TWI537274B (zh) | 2011-03-14 | 2016-06-11 | ๆฉ็่ฅๅๅทฅๆฅญ่กไปฝๆ้ๅ ฌๅธ | ๆฐ็ฉไนๅ ซๆฐซๅปๅฉๅนถๅนๅ่ก็็ฉใๅซๆๅ ถไน้ซ่ฅ็ตๆ็ฉๅ่ฉฒ็ญไน็จ้ |
| TWI523863B (zh) | 2012-11-01 | 2016-03-01 | ่พๆฎๆฃฎ่ฅๅๅ ฌๅธ | ้ซๆ็ด ๏ผๅคๅทด่บๅตๅ้ซ้กไผผ็ฉ |
| HK1213486A1 (zh) | 2012-11-01 | 2016-07-08 | Ipsen Pharma S.A.S. | ไฟ็้ฟ็ด ๆๅถ็ด ็ฑปไผผ็ฉๅๅ ถไบ่ไฝ |
| WO2014092006A1 (ja) | 2012-12-10 | 2014-06-19 | ใญใใปใค่ฌๅๅทฅๆฅญๆ ชๅผไผ็คพ | ๆฐ่ฆใชใชใฏใฟใใใญใใชใใญใใพใชใณ่ชๅฐไฝใใใใๅซๆใใๅป่ฌ็ตๆ็ฉใใใณใใใใฎ็จ้ |
| ES2991763T3 (es) | 2014-09-25 | 2024-12-04 | Boehringer Ingelheim Vetmedica Gmbh | Tratamiento de combinaciรณn de inhibidores de SGLT2 y agonistas de dopamina para la prevenciรณn de trastornos metabรณlicos en animales equinos |
| CN106866656A (zh) * | 2017-02-28 | 2017-06-20 | ่ฅฟๅไบค้ๅคงๅญฆ | ไธ็ฑป้บฆ่ง็ขฑ่ก็็ฉๅๅ ถๅจ้ข้ฒๅๆฒป็็ฒพ็ฅ็พ็ ็็จ้ |
| WO2019234069A1 (en) | 2018-06-08 | 2019-12-12 | Boehringer Ingelheim Vetmedica Gmbh | Liquid pharmaceutical compositions comprising pergolide |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR206772A1 (es) * | 1972-07-21 | 1976-08-23 | Lilly Co Eli | Procedimiento para preparar una nueva d-2-halo-6-metil-8-ciano(carboxamido)metil ergolina |
| US3920664A (en) * | 1972-07-21 | 1975-11-18 | Lilly Co Eli | D-2-halo-6-alkyl-8-substituted ergolines and related compounds |
| IE41533B1 (en) * | 1974-03-14 | 1980-01-30 | Sandoz Ltd | Thiomethyl ergolene derivatives |
| US3901894A (en) * | 1974-06-06 | 1975-08-26 | Lilly Co Eli | 8-thiomethylergolines |
| US3985752A (en) * | 1974-12-06 | 1976-10-12 | Eli Lilly And Company | 6-Methyl-8-(substituted) methylergolines |
| US3959288A (en) * | 1974-12-13 | 1976-05-25 | Eli Lilly And Company | 8-Oxymethylergolines and process therefor |
| US4054660A (en) * | 1975-04-14 | 1977-10-18 | Eli Lilly And Company | Method of inhibiting prolactin |
| JPS5283894A (en) * | 1976-01-01 | 1977-07-13 | Lilly Co Eli | 88thiomethyl ergoline |
-
1978
- 1978-02-08 US US05/875,978 patent/US4166182A/en not_active Expired - Lifetime
-
1979
- 1979-02-02 RO RO79103856A patent/RO81856A/ro unknown
- 1979-02-02 BE BE1/9260A patent/BE873883A/xx not_active IP Right Cessation
- 1979-02-02 ZA ZA79453A patent/ZA79453B/xx unknown
- 1979-02-02 PT PT69172A patent/PT69172B/pt not_active IP Right Cessation
- 1979-02-02 NZ NZ189561A patent/NZ189561A/xx unknown
- 1979-02-02 RO RO7996489A patent/RO76889A/ro unknown
- 1979-02-02 FI FI790351A patent/FI65777C/fi not_active IP Right Cessation
- 1979-02-02 JP JP1180879A patent/JPS54115400A/ja active Granted
- 1979-02-02 FR FR7902770A patent/FR2416891A1/fr active Granted
- 1979-02-02 BG BG042354A patent/BG30474A3/xx unknown
- 1979-02-02 RO RO79103857A patent/RO81857A/ro unknown
- 1979-02-02 PH PH22161A patent/PH14903A/en unknown
- 1979-02-04 IL IL56581A patent/IL56581A/xx unknown
- 1979-02-05 DE DE7979300177T patent/DE2963320D1/de not_active Expired
- 1979-02-05 GB GB7903880A patent/GB2014140B/en not_active Expired
- 1979-02-05 CA CA320,811A patent/CA1114368A/en not_active Expired
- 1979-02-05 EP EP79300177A patent/EP0003667B1/en not_active Expired
- 1979-02-05 DE DE1993175112 patent/DE19375112I2/de active Active
- 1979-02-05 AU AU43917/79A patent/AU523172B2/en not_active Expired
- 1979-02-06 EG EG73/79A patent/EG14076A/xx active
- 1979-02-06 LU LU80886A patent/LU80886A1/xx unknown
- 1979-02-06 HU HU79EI839A patent/HU179970B/hu unknown
- 1979-02-06 AR AR275415A patent/AR228341A1/es active
- 1979-02-07 MX MX797705U patent/MX5995E/es unknown
- 1979-02-07 ES ES477547A patent/ES477547A1/es not_active Expired
- 1979-02-07 IE IE232/79A patent/IE47827B1/en not_active IP Right Cessation
- 1979-02-07 GR GR58285A patent/GR72776B/el unknown
- 1979-02-07 SU SU792720495A patent/SU912045A3/ru active
- 1979-02-07 AT AT0091479A patent/AT371817B/de not_active IP Right Cessation
- 1979-02-07 CH CH121579A patent/CH639088A5/fr not_active IP Right Cessation
- 1979-02-07 DK DK051379A patent/DK147362C/da not_active IP Right Cessation
- 1979-02-07 UA UA2720495A patent/UA6082A1/uk unknown
- 1979-02-08 YU YU00282/79A patent/YU28279A/xx unknown
- 1979-02-08 DD DD79210905A patent/DD141928A5/de unknown
- 1979-02-08 PL PL1979231893A patent/PL126313B1/pl unknown
- 1979-02-08 CS CS79884A patent/CS203951B2/cs unknown
- 1979-02-08 PL PL1979231892A patent/PL124704B1/pl unknown
- 1979-02-08 PL PL1979213283A patent/PL120849B1/pl unknown
-
1985
- 1985-12-30 MY MY597/85A patent/MY8500597A/xx unknown
-
1992
- 1992-06-22 MX MX9203107A patent/MX9203107A/es unknown
-
1993
- 1993-03-29 NL NL930106C patent/NL930106I2/nl unknown
- 1993-06-09 LU LU88294C patent/LU88294I2/fr unknown
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