DE2451934C2 - 1,9-Dihydroxy- und l,9-Dialkanoyloxy-3alkyl- - Google Patents
1,9-Dihydroxy- und l,9-Dialkanoyloxy-3alkyl-Info
- Publication number
- DE2451934C2 DE2451934C2 DE2451934A DE2451934A DE2451934C2 DE 2451934 C2 DE2451934 C2 DE 2451934C2 DE 2451934 A DE2451934 A DE 2451934A DE 2451934 A DE2451934 A DE 2451934A DE 2451934 C2 DE2451934 C2 DE 2451934C2
- Authority
- DE
- Germany
- Prior art keywords
- pyran
- hexahydro
- trans
- alpha
- hydroxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 150000004880 oxines Chemical class 0.000 claims description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 53
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 51
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 42
- MGADZUXDNSDTHW-UHFFFAOYSA-N 2H-pyran Chemical compound C1OC=CC=C1 MGADZUXDNSDTHW-UHFFFAOYSA-N 0.000 description 40
- 150000001875 compounds Chemical class 0.000 description 39
- -1 n -pentyl Chemical group 0.000 description 32
- 239000000203 mixture Substances 0.000 description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 239000000741 silica gel Substances 0.000 description 17
- 229910002027 silica gel Inorganic materials 0.000 description 17
- 229960001866 silicon dioxide Drugs 0.000 description 17
- 238000004458 analytical method Methods 0.000 description 16
- 150000001793 charged compounds Chemical class 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- 125000004432 carbon atom Chemical group C* 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 241000700159 Rattus Species 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 150000002576 ketones Chemical group 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- 239000002775 capsule Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 7
- 239000004480 active ingredient Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000003786 synthesis reaction Methods 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- 241000124008 Mammalia Species 0.000 description 6
- 125000002252 acyl group Chemical group 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000012259 ether extract Substances 0.000 description 6
- 125000000468 ketone group Chemical group 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000007818 Grignard reagent Substances 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 230000000202 analgesic effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000012279 sodium borohydride Substances 0.000 description 5
- 229910000033 sodium borohydride Inorganic materials 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 208000019901 Anxiety disease Diseases 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 4
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 4
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 206010020772 Hypertension Diseases 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 230000036506 anxiety Effects 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940126601 medicinal product Drugs 0.000 description 4
- 229910052987 metal hydride Inorganic materials 0.000 description 4
- 150000004681 metal hydrides Chemical class 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 229960001755 resorcinol Drugs 0.000 description 4
- 239000000932 sedative agent Substances 0.000 description 4
- 230000001624 sedative effect Effects 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000001828 Gelatine Substances 0.000 description 3
- 229930194542 Keto Natural products 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002220 antihypertensive agent Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 239000012043 crude product Substances 0.000 description 3
- UZVGSSNIUNSOFA-UHFFFAOYSA-N dibenzofuran-1-carboxylic acid Chemical compound O1C2=CC=CC=C2C2=C1C=CC=C2C(=O)O UZVGSSNIUNSOFA-UHFFFAOYSA-N 0.000 description 3
- 239000002552 dosage form Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002024 ethyl acetate extract Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229920000159 gelatin Polymers 0.000 description 3
- 235000019322 gelatine Nutrition 0.000 description 3
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000825 pharmaceutical preparation Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 125000006239 protecting group Chemical group 0.000 description 3
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- KDTQBESFYGHFDV-UHFFFAOYSA-N 4aH-benzo[c]chromene Chemical compound C1=CC=CC2OC=C(C=CC=C3)C3=C21 KDTQBESFYGHFDV-UHFFFAOYSA-N 0.000 description 2
- SJQMAFWGHHENKS-UHFFFAOYSA-N 6,6a,7,8,10,10a-hexahydrobenzo[c]chromen-9-one Chemical compound C1OC2=CC=CC=C2C2C1CCC(=O)C2 SJQMAFWGHHENKS-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 239000004866 Hashish Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- 230000010933 acylation Effects 0.000 description 2
- 238000005917 acylation reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000001430 anti-depressive effect Effects 0.000 description 2
- 239000000935 antidepressant agent Substances 0.000 description 2
- 229940005513 antidepressants Drugs 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- RTEXIPZMMDUXMR-UHFFFAOYSA-N benzene;ethyl acetate Chemical compound CCOC(C)=O.C1=CC=CC=C1 RTEXIPZMMDUXMR-UHFFFAOYSA-N 0.000 description 2
- 125000005605 benzo group Chemical group 0.000 description 2
- 235000019445 benzyl alcohol Nutrition 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 241001233037 catfish Species 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 2
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 2
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 2
- 229920000053 polysorbate 80 Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 229910000104 sodium hydride Inorganic materials 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- BKWQFIARUMVMFF-UHFFFAOYSA-N 1-(3,5-dimethoxyphenyl)propan-2-one Chemical compound COC1=CC(CC(C)=O)=CC(OC)=C1 BKWQFIARUMVMFF-UHFFFAOYSA-N 0.000 description 1
- CSCPPACGZOOCGX-MICDWDOJSA-N 1-deuteriopropan-2-one Chemical compound [2H]CC(C)=O CSCPPACGZOOCGX-MICDWDOJSA-N 0.000 description 1
- JTXMVXSTHSMVQF-UHFFFAOYSA-N 2-acetyloxyethyl acetate Chemical compound CC(=O)OCCOC(C)=O JTXMVXSTHSMVQF-UHFFFAOYSA-N 0.000 description 1
- NCTHQZTWNVDWGT-UHFFFAOYSA-N 2-hexylbenzene-1,3-diol Chemical compound CCCCCCC1=C(O)C=CC=C1O NCTHQZTWNVDWGT-UHFFFAOYSA-N 0.000 description 1
- YTLRWVNYANKXOW-UHFFFAOYSA-N 3,5-dimethoxybenzamide Chemical compound COC1=CC(OC)=CC(C(N)=O)=C1 YTLRWVNYANKXOW-UHFFFAOYSA-N 0.000 description 1
- 125000004917 3-methyl-2-butyl group Chemical group CC(C(C)*)C 0.000 description 1
- 125000004919 3-methyl-2-pentyl group Chemical group CC(C(C)*)CC 0.000 description 1
- USRRYZOTEWJWFJ-UHFFFAOYSA-N 5-(3-methylpentan-2-yl)benzene-1,3-diol Chemical compound CCC(C)C(C)C1=CC(O)=CC(O)=C1 USRRYZOTEWJWFJ-UHFFFAOYSA-N 0.000 description 1
- DWZZSIPYQQFGLL-UHFFFAOYSA-N 6a,7,8,9,10,10a-hexahydro-6h-benzo[c]chromene Chemical compound C1=CC=C2C3CCCCC3COC2=C1 DWZZSIPYQQFGLL-UHFFFAOYSA-N 0.000 description 1
- 229930188104 Alkylresorcinol Natural products 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 208000020401 Depressive disease Diseases 0.000 description 1
- 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 description 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 206010039897 Sedation Diseases 0.000 description 1
- JEDZLBFUGJTJGQ-UHFFFAOYSA-N [Na].COCCO[AlH]OCCOC Chemical compound [Na].COCCO[AlH]OCCOC JEDZLBFUGJTJGQ-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 229940035676 analgesics Drugs 0.000 description 1
- 239000000730 antalgic agent Substances 0.000 description 1
- 230000000049 anti-anxiety effect Effects 0.000 description 1
- 239000002830 appetite depressant Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- UOCJDOLVGGIYIQ-PBFPGSCMSA-N cefatrizine Chemical group S([C@@H]1[C@@H](C(N1C=1C(O)=O)=O)NC(=O)[C@H](N)C=2C=CC(O)=CC=2)CC=1CSC=1C=NNN=1 UOCJDOLVGGIYIQ-PBFPGSCMSA-N 0.000 description 1
- 229960004782 chlordiazepoxide Drugs 0.000 description 1
- ANTSCNMPPGJYLG-UHFFFAOYSA-N chlordiazepoxide Chemical compound O=N=1CC(NC)=NC2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 ANTSCNMPPGJYLG-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 206010061428 decreased appetite Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000017858 demethylation Effects 0.000 description 1
- 238000010520 demethylation reaction Methods 0.000 description 1
- 229960003529 diazepam Drugs 0.000 description 1
- AAOVKJBEBIDNHE-UHFFFAOYSA-N diazepam Chemical compound N=1CC(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 AAOVKJBEBIDNHE-UHFFFAOYSA-N 0.000 description 1
- NNOGMCQLKMLNPL-UHFFFAOYSA-N diethyl 2-acetylpentanedioate Chemical compound CCOC(=O)CCC(C(C)=O)C(=O)OCC NNOGMCQLKMLNPL-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 206010013663 drug dependence Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002081 enamines Chemical class 0.000 description 1
- 150000002084 enol ethers Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007327 hydrogenolysis reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001631 hypertensive effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 201000003102 mental depression Diseases 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 230000003880 negative regulation of appetite Effects 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000004526 pharmaceutical effect Effects 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229940068886 polyethylene glycol 300 Drugs 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 230000000506 psychotropic effect Effects 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 230000036280 sedation Effects 0.000 description 1
- 229940125723 sedative agent Drugs 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012419 sodium bis(2-methoxyethoxy)aluminum hydride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 208000011117 substance-related disease Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004546 suspension concentrate Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229940125725 tranquilizer Drugs 0.000 description 1
- 239000003204 tranquilizing agent Substances 0.000 description 1
- 230000002936 tranquilizing effect Effects 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
-
- 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
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- 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
- A61P25/20—Hypnotics; Sedatives
-
- 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
- A61P25/24—Antidepressants
-
- 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
- A61P25/26—Psychostimulants, e.g. nicotine, cocaine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Psychiatry (AREA)
- Pain & Pain Management (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Anesthesiology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/413,010 US3968125A (en) | 1973-11-05 | 1973-11-05 | Dihydroxyhexahydrodibenzo[b,d]pyrans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2451934A1 DE2451934A1 (de) | 1975-05-07 |
| DE2451934C2 true DE2451934C2 (de) | 1983-10-06 |
Family
ID=23635420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2451934A Expired DE2451934C2 (de) | 1973-11-05 | 1974-10-31 | 1,9-Dihydroxy- und l,9-Dialkanoyloxy-3alkyl- |
Country Status (26)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2722383A1 (de) * | 1976-05-17 | 1977-12-01 | Pfizer | Neue benzo eckige klammer auf c eckige klammer zu -chinoline und zwischenprodukte zu ihrer herstellung |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1522057A (en) * | 1975-11-03 | 1978-08-23 | Pfizer | 9-hydroxydibenzo(b,d)pyrans and intermediates therefor |
| US4051152A (en) * | 1976-01-07 | 1977-09-27 | Sharps Associates | Oxo C-ring benzopyrans |
| US4087545A (en) * | 1976-02-17 | 1978-05-02 | Eli Lilly And Company | Hexahydro-dibenzo[b,d]pyran-9-ones as antiemetic drugs |
| US4087546A (en) * | 1976-02-17 | 1978-05-02 | Eli Lilly And Company | Hexahydro-dibenzo[b,d]pyran-9-ones as antiasthmatic drugs |
| US4054581A (en) * | 1976-07-06 | 1977-10-18 | Eli Lilly And Company | Preparation of cis-1-hydroxy-3-substituted-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-ones and intermediates therefor |
| US4209520A (en) * | 1977-06-17 | 1980-06-24 | Pfizer Inc. | Hexahydro-1-hydroxy-9-hydroxymethyl-3-substituted-6H-dibenzo[b,d]pyrans as analgesic agents |
| US4133819A (en) * | 1977-06-17 | 1979-01-09 | Pfizer Inc. | Hexahydro-1-hydroxy-9-hydroxymethyl-3-substituted-6H-dibenzo[b,d]pyrans as analgesic agents |
| US4243674A (en) * | 1978-06-12 | 1981-01-06 | Pfizer Inc. | 9-Hydroxydibenzo[b,d]pyrans and intermediates therefore |
| US4454144A (en) * | 1982-06-21 | 1984-06-12 | Pfizer Inc. | Substituted dibenzo[b,d]pyran analgesics |
| JPS6299930U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-12-12 | 1987-06-25 | ||
| US8449908B2 (en) * | 2000-12-22 | 2013-05-28 | Alltranz, Llc | Transdermal delivery of cannabidiol |
| AU2002322720B2 (en) | 2001-07-25 | 2008-11-13 | Raptor Pharmaceutical Inc. | Compositions and methods for modulating blood-brain barrier transport |
| PT1477186E (pt) * | 2002-02-19 | 2010-02-11 | Shionogi & Co | Antipruriginosos |
| DK1889198T3 (da) | 2005-04-28 | 2015-02-09 | Proteus Digital Health Inc | Farma-informatiksystem |
| CA2663377A1 (en) | 2006-09-18 | 2008-03-27 | Raptor Pharmaceutical Inc. | Treatment of liver disorders by administration of receptor-associated protein (rap)-conjugates |
| DK2176208T3 (en) * | 2007-07-30 | 2015-04-27 | Zynerba Pharmaceuticals Inc | Prodrugs of cannabidiol, compositions containing prodrugs of cannabidiol and methods of use thereof |
| WO2009099670A2 (en) | 2008-02-08 | 2009-08-13 | Nektar Therapeutics Al, Corporation | Oligomer-cannabinoid conjugates |
| US20090247619A1 (en) * | 2008-03-06 | 2009-10-01 | University Of Kentucky | Cannabinoid-Containing Compositions and Methods for Their Use |
| CN104208718B (zh) | 2009-02-20 | 2017-12-29 | 2-Bbb医疗股份有限公司 | 基于谷胱甘肽的药物递送系统 |
| KR20190116576A (ko) | 2009-05-06 | 2019-10-14 | 라보라토리 스킨 케어, 인크. | 활성제-칼슘 포스페이트 입자 복합체를 포함하는 피부 전달 조성물 및 이들을 이용하는 방법 |
| US20120077778A1 (en) | 2010-09-29 | 2012-03-29 | Andrea Bourdelais | Ladder-Frame Polyether Conjugates |
| US20200197357A1 (en) | 2017-07-20 | 2020-06-25 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Compositions and methods of lipophilic drugs |
| EP3681474A1 (en) | 2017-09-11 | 2020-07-22 | Yissum Research Development Company of the Hebrew University of Jerusalem Ltd. | Compositions and methods for nasal administration of drugs to brain and for systemic effect |
| US20200345656A1 (en) | 2017-11-29 | 2020-11-05 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Cannabinoids compositions and methods |
| CA3116194A1 (en) | 2018-11-04 | 2020-05-07 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd. | Orally administrable cannabinoids-containing compositions and methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3636058A (en) * | 1966-03-25 | 1972-01-18 | Hoffmann La Roche | 7 10 - dihydro - 3 - alkyl - 6h - dibenzo(b d) pyran-6 9(8h)-diones and 5-hydroxy-7-alkyl-4-chromanones |
| US3507885A (en) * | 1966-03-25 | 1970-04-21 | Hoffmann La Roche | 3-alkyl-6h-dibenzo(b,d)pyrans |
| CH558792A (de) * | 1971-10-14 | 1975-02-14 | Petrzilka Theodor | Verfahren zur herstellung von tetrahydrodibenzopyranen. |
-
1973
- 1973-11-05 US US05/413,010 patent/US3968125A/en not_active Expired - Lifetime
-
1974
- 1974-09-09 IE IE1868/74A patent/IE40023B1/xx unknown
- 1974-09-10 ZA ZA00745751A patent/ZA745751B/xx unknown
- 1974-09-11 IL IL45644A patent/IL45644A/xx unknown
- 1974-09-19 CA CA209,538A patent/CA1023753A/en not_active Expired
- 1974-09-20 PH PH16310A patent/PH11788A/en unknown
- 1974-09-25 RO RO7480075A patent/RO71766A/ro unknown
- 1974-09-26 AR AR255797A patent/AR202318A1/es active
- 1974-10-02 YU YU02658/74A patent/YU36515B/xx unknown
- 1974-10-31 FR FR7436367A patent/FR2249664B1/fr not_active Expired
- 1974-10-31 BE BE150084A patent/BE821716A/xx not_active IP Right Cessation
- 1974-10-31 DE DE2451934A patent/DE2451934C2/de not_active Expired
- 1974-11-04 CS CS747515A patent/CS193507B2/cs unknown
- 1974-11-04 DK DK573274AA patent/DK136719B/da not_active IP Right Cessation
- 1974-11-04 GB GB47521/74A patent/GB1487637A/en not_active Expired
- 1974-11-04 SE SE7413833A patent/SE415762B/xx unknown
- 1974-11-04 HU HUEI573A patent/HU169193B/hu unknown
- 1974-11-04 PL PL1974191069A patent/PL95748B1/pl unknown
- 1974-11-04 PL PL1974175331A patent/PL93908B1/pl unknown
- 1974-11-04 SU SU2072203A patent/SU524517A3/ru active
- 1974-11-05 CH CH1479674A patent/CH605894A5/xx not_active IP Right Cessation
- 1974-11-05 NL NL7414439A patent/NL7414439A/xx not_active Application Discontinuation
- 1974-11-05 BG BG028125A patent/BG26387A3/xx unknown
- 1974-11-05 ES ES431674A patent/ES431674A1/es not_active Expired
- 1974-11-05 JP JP49127922A patent/JPS6033835B2/ja not_active Expired
- 1974-11-05 AT AT886374A patent/AT336012B/de not_active IP Right Cessation
- 1974-11-05 DD DD182172A patent/DD116230A5/xx unknown
Non-Patent Citations (1)
| Title |
|---|
| Zur Einsicht für jedermann ist bereitgehalten: Versuchsbericht, eingegangen am 14.02.83 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2722383A1 (de) * | 1976-05-17 | 1977-12-01 | Pfizer | Neue benzo eckige klammer auf c eckige klammer zu -chinoline und zwischenprodukte zu ihrer herstellung |
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2451934C2 (de) | 1,9-Dihydroxy- und l,9-Dialkanoyloxy-3alkyl- | |
| DE2451932C2 (de) | dl-trans-1-Hydroxy-und dl-trans-1-Alkanoyloxy-3-alkyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one, Verfahren zu ihrer Herstellung sowie diese Verbindungen enthaltende pharmazeutische Zubereitungen | |
| EP2842933B1 (de) | Mischungen cannabinoider Verbindungen, deren Herstellung und Verwendung | |
| DE2437135C2 (de) | &Delta;&uarr;6&uarr;&uarr;a&uarr;(&uarr;1&uarr;&uarr;0&uarr;&uarr;a&uarr;)-1-Amino-3-substituierte-7,8,9,10-tetrahydro-6,6.9-trimethyl-6H-dibenzo[b,d]pyrane, Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende pharmazeutische Zubereitungen | |
| DD275048A5 (de) | Verfahren zur herstellung von isoflavanen | |
| DE2616479C2 (de) | Substituierte Fluoracylresorcine, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel und Kosmetika | |
| DE3024855C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2729859A1 (de) | Verfahren zur herstellung eines optischen isomers eines 1-hydroxy-3- substituierten-6,6-dimethyl-6,6a,7,8,10, 10a-hexahydro-9h-dibenzo eckige klammer auf b,d eckige klammer zu pyran-9-ons | |
| CH633787A5 (de) | Verfahren zur herstellung von 6a,10a-trans-1-hydroxy-3-substituierten-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9h-dibenzo(b,d)pyran-9-onen. | |
| EP0183169B1 (de) | Halogen-hydroxy-flavone | |
| EP0415065A1 (de) | Chromanderivate | |
| DE2434661A1 (de) | Alkoxydibenzo-(b,d)-pyrane, verfahren zu ihrer herstellung und ihre verwendung als arzneistoffe | |
| DE2426779A1 (de) | 1.3-oxygenierte 8 alpha-oestratriene | |
| DE2729816A1 (de) | 2-oxy-5-isopropyliden-7-hydroxy-9- substituierte-2,6-methano-3,4,5,6-tetrahydro-2h-1-benzoxocine und verfahren zu ihrer herstellung | |
| AT343104B (de) | Verfahren zur herstellung von neuen naphthalinderivaten | |
| DE60108354T2 (de) | 2H-1-Benzopyranderivate, Verfahren zu ihrer Herstellung und deren pharmazeutische Zusammensetzungen | |
| DE68905361T2 (de) | Trienische Derivate mit chromenischer Struktur, Verfahren zu deren Herstellung und diese enthaltende pharmazeutische Zusammenstellungen. | |
| CH634839A5 (de) | Pyranochromonderivate und ihre verwendung in arzneimitteln zur behandlung von allergien. | |
| DE69229501T2 (de) | Benzopyranderivat und dieses als aktives bestandteil enthaltendes antiallergikum | |
| DE3121175A1 (de) | Erythro-1,2,3-triphenyl-1-pentanon-derivate sowie verfahren zu ihrer herstellung und ihre verwendung als arzneimittel | |
| DE1518015B2 (de) | Substituierte Flavandenvate sowie Verfahren zu ihrer Herstellung | |
| DE2726393A1 (de) | Verfahren zur herstellung von 5- (quaternaeren-alkyl)resorcinen und zwischenprodukte hierfuer | |
| DE69827014T2 (de) | Carbostyrylderivate zur inhibition von hautrötungen und/oder von hautpigmentierung | |
| DE2700341A1 (de) | Oxo-c-ring-benzopyrane | |
| DE2646213A1 (de) | Aroylphenylnaphthaline und verfahren zu ihrer herstellung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8128 | New person/name/address of the agent |
Representative=s name: SPOTT, G., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8330 | Complete renunciation |