NO123894B - - Google Patents
Download PDFInfo
- Publication number
- NO123894B NO123894B NO17107867A NO17107867A NO123894B NO 123894 B NO123894 B NO 123894B NO 17107867 A NO17107867 A NO 17107867A NO 17107867 A NO17107867 A NO 17107867A NO 123894 B NO123894 B NO 123894B
- Authority
- NO
- Norway
- Prior art keywords
- bromide
- hydrogen
- group
- carbon atoms
- oxime
- Prior art date
Links
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 11
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 6
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052794 bromium Inorganic materials 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 5
- NDZFNTHGIIQMQI-UHFFFAOYSA-N 1-benzylpyridin-1-ium Chemical class C=1C=CC=C[N+]=1CC1=CC=CC=C1 NDZFNTHGIIQMQI-UHFFFAOYSA-N 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 3
- 125000001951 carbamoylamino group Chemical group C(N)(=O)N* 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 claims description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- 125000005262 alkoxyamine group Chemical group 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 150000001728 carbonyl compounds Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 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
- 150000003222 pyridines Chemical class 0.000 claims description 2
- 125000004429 atom Chemical group 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 59
- -1 benzyl halides Chemical class 0.000 description 39
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 36
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 22
- MTFJSAGADRTKCI-VMPITWQZSA-N chembl77510 Chemical compound O\N=C\C1=CC=CC=N1 MTFJSAGADRTKCI-VMPITWQZSA-N 0.000 description 14
- CBBMSYBHAHUGNI-UHFFFAOYSA-N 1-(bromomethyl)-3,4-dimethoxy-2-methylbenzene Chemical compound COC=1C(=C(CBr)C=CC1OC)C CBBMSYBHAHUGNI-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- YBKOPFQCLSPTPV-VMPITWQZSA-N 3-pyridine aldoxime Chemical compound O\N=C\C1=CC=CN=C1 YBKOPFQCLSPTPV-VMPITWQZSA-N 0.000 description 5
- AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical class BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEZORVGMRQRIMY-RMKNXTFCSA-N (NE)-N-(1-pyridin-2-ylethylidene)hydroxylamine Chemical compound C1=CN=C(C=C1)/C(=N/O)/C XEZORVGMRQRIMY-RMKNXTFCSA-N 0.000 description 4
- LNWXALCHPJANMJ-UHFFFAOYSA-N 1-(bromomethyl)-3-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC(CBr)=C1 LNWXALCHPJANMJ-UHFFFAOYSA-N 0.000 description 4
- KQNBRMUBPRGXSL-UHFFFAOYSA-N 1-(bromomethyl)-4-chlorobenzene Chemical compound ClC1=CC=C(CBr)C=C1 KQNBRMUBPRGXSL-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229960000583 acetic acid Drugs 0.000 description 4
- 235000019439 ethyl acetate Nutrition 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- GIGRWGTZFONRKA-UHFFFAOYSA-N 1-(bromomethyl)-4-methoxybenzene Chemical compound COC1=CC=C(CBr)C=C1 GIGRWGTZFONRKA-UHFFFAOYSA-N 0.000 description 3
- YLRBJYMANQKEAW-UHFFFAOYSA-N 1-bromo-4-(bromomethyl)benzene Chemical compound BrCC1=CC=C(Br)C=C1 YLRBJYMANQKEAW-UHFFFAOYSA-N 0.000 description 3
- AKPSLMUFDIXDJJ-UHFFFAOYSA-N 4-(bromomethyl)-1,2-dimethoxybenzene Chemical compound COC1=CC=C(CBr)C=C1OC AKPSLMUFDIXDJJ-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- QPHLRCUCFDXGLY-UHFFFAOYSA-N (3,4,5-trimethoxyphenyl)methanol Chemical compound COC1=CC(CO)=CC(OC)=C1OC QPHLRCUCFDXGLY-UHFFFAOYSA-N 0.000 description 2
- OEGPRYNGFWGMMV-UHFFFAOYSA-N (3,4-dimethoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC OEGPRYNGFWGMMV-UHFFFAOYSA-N 0.000 description 2
- RRIYNYAKRPUOBF-UHFFFAOYSA-N (5-ethylpyridin-2-yl)methyl acetate Chemical compound CCC1=CC=C(COC(C)=O)N=C1 RRIYNYAKRPUOBF-UHFFFAOYSA-N 0.000 description 2
- MSRXORUOQNNOKN-RMKNXTFCSA-N (ne)-n-(1-pyridin-3-ylethylidene)hydroxylamine Chemical compound O\N=C(/C)C1=CC=CN=C1 MSRXORUOQNNOKN-RMKNXTFCSA-N 0.000 description 2
- IOVVDRDEXYHYNT-UHFFFAOYSA-N (pyridin-2-ylmethylideneamino)urea Chemical compound NC(=O)NN=CC1=CC=CC=N1 IOVVDRDEXYHYNT-UHFFFAOYSA-N 0.000 description 2
- CRUILBNAQILVHZ-UHFFFAOYSA-N 1,2,3-trimethoxybenzene Chemical compound COC1=CC=CC(OC)=C1OC CRUILBNAQILVHZ-UHFFFAOYSA-N 0.000 description 2
- WMXFNCKPYCAIQW-UHFFFAOYSA-N 1,2-dimethoxy-3-methylbenzene Chemical compound COC1=CC=CC(C)=C1OC WMXFNCKPYCAIQW-UHFFFAOYSA-N 0.000 description 2
- GYPMBQZAVBFUIZ-UHFFFAOYSA-N 1,2-dimethoxy-4-methylbenzene Chemical compound COC1=CC=C(C)C=C1OC GYPMBQZAVBFUIZ-UHFFFAOYSA-N 0.000 description 2
- WVHAAWUZUFQEQF-UHFFFAOYSA-N 1-(bromomethyl)-2,3,4-trimethoxybenzene Chemical compound COC1=CC=C(CBr)C(OC)=C1OC WVHAAWUZUFQEQF-UHFFFAOYSA-N 0.000 description 2
- GYWRCNVNJAWQSJ-UHFFFAOYSA-N 1-(bromomethyl)-3,4-diethoxy-2-methylbenzene Chemical compound C(C)OC=1C(=C(CBr)C=CC1OCC)C GYWRCNVNJAWQSJ-UHFFFAOYSA-N 0.000 description 2
- OHKLHRKEFHJRDR-UHFFFAOYSA-N 1-(bromomethyl)-4,5-dimethoxy-2-methylbenzene Chemical compound COC1=CC(C)=C(CBr)C=C1OC OHKLHRKEFHJRDR-UHFFFAOYSA-N 0.000 description 2
- KQQUFCKXPRWCMM-UHFFFAOYSA-N 1-(bromomethyl)-4,5-dimethoxy-2-propan-2-ylbenzene Chemical compound COC1=CC(=C(CBr)C=C1OC)C(C)C KQQUFCKXPRWCMM-UHFFFAOYSA-N 0.000 description 2
- LZSYGJNFCREHMD-UHFFFAOYSA-N 1-bromo-2-(bromomethyl)benzene Chemical compound BrCC1=CC=CC=C1Br LZSYGJNFCREHMD-UHFFFAOYSA-N 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- PGSWEKYNAOWQDF-UHFFFAOYSA-N 3-methylcatechol Chemical compound CC1=CC=CC(O)=C1O PGSWEKYNAOWQDF-UHFFFAOYSA-N 0.000 description 2
- PPUYLXOFOVDYKU-UHFFFAOYSA-N 5-ethylpyridine-2-carbaldehyde Chemical compound CCC1=CC=C(C=O)N=C1 PPUYLXOFOVDYKU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-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
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 150000001559 benzoic acids Chemical class 0.000 description 2
- 150000003938 benzyl alcohols Chemical class 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002923 oximes Chemical class 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CRLBBOBKCLYCJK-UHFFFAOYSA-N (2,3-dimethoxyphenyl)methanol Chemical compound COC1=CC=CC(CO)=C1OC CRLBBOBKCLYCJK-UHFFFAOYSA-N 0.000 description 1
- PTHGDVCPCZKZKR-UHFFFAOYSA-N (4-chlorophenyl)methanol Chemical compound OCC1=CC=C(Cl)C=C1 PTHGDVCPCZKZKR-UHFFFAOYSA-N 0.000 description 1
- FZENGILVLUJGJX-NSCUHMNNSA-N (E)-acetaldehyde oxime Chemical compound C\C=N\O FZENGILVLUJGJX-NSCUHMNNSA-N 0.000 description 1
- HNFSIKPTLWPOBD-DHZHZOJOSA-N (e)-n-propoxy-1-pyridin-2-ylmethanimine Chemical compound CCCO\N=C\C1=CC=CC=N1 HNFSIKPTLWPOBD-DHZHZOJOSA-N 0.000 description 1
- WSQCPEYUHYGRJY-UHFFFAOYSA-N 1,2-diethoxy-3-methylbenzene Chemical compound CCOC1=CC=CC(C)=C1OCC WSQCPEYUHYGRJY-UHFFFAOYSA-N 0.000 description 1
- HXBMIQJOSHZCFX-UHFFFAOYSA-N 1-(bromomethyl)-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1CBr HXBMIQJOSHZCFX-UHFFFAOYSA-N 0.000 description 1
- SCBZBMXPJYMXRC-UHFFFAOYSA-N 1-(bromomethyl)-3-fluorobenzene Chemical compound FC1=CC=CC(CBr)=C1 SCBZBMXPJYMXRC-UHFFFAOYSA-N 0.000 description 1
- NVNPLEPBDPJYRZ-UHFFFAOYSA-N 1-(bromomethyl)-4-fluorobenzene Chemical compound FC1=CC=C(CBr)C=C1 NVNPLEPBDPJYRZ-UHFFFAOYSA-N 0.000 description 1
- GLWHCXRACKOPRO-UHFFFAOYSA-M 1-benzylpyridin-1-ium;bromide Chemical class [Br-].C=1C=CC=C[N+]=1CC1=CC=CC=C1 GLWHCXRACKOPRO-UHFFFAOYSA-M 0.000 description 1
- ZPCJPJQUVRIILS-UHFFFAOYSA-N 1-bromo-3-(bromomethyl)benzene Chemical compound BrCC1=CC=CC(Br)=C1 ZPCJPJQUVRIILS-UHFFFAOYSA-N 0.000 description 1
- CZDKYDOSKNCXSM-UHFFFAOYSA-N 2-(bromomethyl)-1,4-dimethoxybenzene Chemical compound COC1=CC=C(OC)C(CBr)=C1 CZDKYDOSKNCXSM-UHFFFAOYSA-N 0.000 description 1
- CSDSSGBPEUDDEE-UHFFFAOYSA-N 2-formylpyridine Chemical compound O=CC1=CC=CC=N1 CSDSSGBPEUDDEE-UHFFFAOYSA-N 0.000 description 1
- VOLRSQPSJGXRNJ-UHFFFAOYSA-N 4-nitrobenzyl bromide Chemical compound [O-][N+](=O)C1=CC=C(CBr)C=C1 VOLRSQPSJGXRNJ-UHFFFAOYSA-N 0.000 description 1
- WYVMDJWLFVQZAL-UHFFFAOYSA-N 4-propan-2-ylbenzene-1,2-diol Chemical compound CC(C)C1=CC=C(O)C(O)=C1 WYVMDJWLFVQZAL-UHFFFAOYSA-N 0.000 description 1
- QEGDRYOJTONTLO-UHFFFAOYSA-N 5-(bromomethyl)-1,2,3-trimethoxybenzene Chemical compound COC1=CC(CBr)=CC(OC)=C1OC QEGDRYOJTONTLO-UHFFFAOYSA-N 0.000 description 1
- NTSLROIKFLNUIJ-UHFFFAOYSA-N 5-Ethyl-2-methylpyridine Chemical compound CCC1=CC=C(C)N=C1 NTSLROIKFLNUIJ-UHFFFAOYSA-N 0.000 description 1
- KNCHDRLWPAKSII-UHFFFAOYSA-N 5-ethyl-2-methylpyridine Natural products CCC1=CC=NC(C)=C1 KNCHDRLWPAKSII-UHFFFAOYSA-N 0.000 description 1
- UJTTUOLQLCQZEA-UHFFFAOYSA-N 9h-fluoren-9-ylmethyl n-(4-hydroxybutyl)carbamate Chemical compound C1=CC=C2C(COC(=O)NCCCCO)C3=CC=CC=C3C2=C1 UJTTUOLQLCQZEA-UHFFFAOYSA-N 0.000 description 1
- 101001053401 Arabidopsis thaliana Acid beta-fructofuranosidase 3, vacuolar Proteins 0.000 description 1
- COVZYZSDYWQREU-UHFFFAOYSA-N Busulfan Chemical compound CS(=O)(=O)OCCCCOS(C)(=O)=O COVZYZSDYWQREU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- RSJDEVMJZLLAHS-UHFFFAOYSA-N N-[phenyl(pyridin-2-yl)methylidene]hydroxylamine Chemical compound C=1C=CC=NC=1C(=NO)C1=CC=CC=C1 RSJDEVMJZLLAHS-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000002220 antihypertensive agent Substances 0.000 description 1
- 150000003935 benzaldehydes Chemical class 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000012230 colorless oil Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- RQDSWUCVBZVOSH-UHFFFAOYSA-N ethyl 2-oxo-2-pyridin-2-ylacetate Chemical compound CCOC(=O)C(=O)C1=CC=CC=N1 RQDSWUCVBZVOSH-UHFFFAOYSA-N 0.000 description 1
- PPCXFTKZPBHXIW-UHFFFAOYSA-N ethyl ethanesulfonate Chemical compound CCOS(=O)(=O)CC PPCXFTKZPBHXIW-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 239000000543 intermediate 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
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- XDEPVFFKOVDUNO-UHFFFAOYSA-N pentafluorobenzyl bromide Chemical compound FC1=C(F)C(F)=C(CBr)C(F)=C1F XDEPVFFKOVDUNO-UHFFFAOYSA-N 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 230000001975 sympathomimetic effect Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/53—Nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/48—Aldehydo radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/51—Acetal radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or 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 to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D455/00—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
- C07D455/03—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
- C07D455/04—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing a quinolizine ring system condensed with only one six-membered carbocyclic ring, e.g. julolidine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Fremgangsmåte for fremstilling av hittil ukjente terapeutisk virksomme benzylpyridiniumsalter.
Nærværende oppfinnelse vedrorer en fremgangsmåte for fremstilling av hittil ukjente terapeutisk virksomme benzyl-pyr idiniumsalter .
Det er blitt funnet at de nye forbindelser med formel hvor betegner hydrogen- eller lavere alkyl med 1-4 karbonatomer,
R2og R^ uavhengig av hverandre hydrogen, lavere alkyl med 1-4 karbonatomer, lavere alkoksy méd 1-4 karbonatomer, fluor, klor, brom- eller nitro,
R^og Rf. hydrogen, lavere alkoksy med 1-4 karbonatomer, fluor, klor, brom eller nitro,
Rg hydrogen, eller når R2, R-^, R^ og R^ samtidig, betyr fluor,, et f luar atom,
R^hydrogen, lavere alkyl med 1-4 karbonatomer, fenyl, eller lavere alkoksykarbonyl,
Rg hydroksygruppen, en lavere alkoksygruppe, en lavere aralkoksygruppe eller en ureidogruppe,
X brom eller klor, og
under den betingelse
(1) at ikke mer enn tre av symbolene R2/ R^, R 4 og R^samtidig betyr hydrogen>(2) at:ikke mer enn;toav symbolene R^, R^ og R^ samtidig betyr hydrogen, når R2er en metylgruppe, (3) at ikke mer enn to av symbolene R2, R4 og R^samtidig betyr hydrogen, når-er en lavere alkoksygruppe
og gruppen
står i 2-stilling og (4) at ikke mer enn et av symbolene R3og R^betyr hydrogen
når R2og R^ samtidig er en lavere alkoksygruppe og gruppen
står i 2-stilling,
oppviser interessante farmakologiske egenskaper, pe formår å senke blodtrykket og kan således finne anvendelse som hypdtensiva. Videre har noen av de under formel I fallende forbindelser sympathomimetiske egenskaper. Forbindelser med formel I fremstilles idet man omsetter en reaksjonsdyktig ester av en benzylalkohol med formel II,
hvor 1*2, R-j» R^/ R5/ Rg og X har den foran angitte
betydning,
med et pyridinderivat med formel III
hvor R^, R7 og Rfl har den foran angitte betydning,
på i og for seg kjent mate.
Etter en ytterligere fremgangsmåte kan forbindelsene med formel I oppnås når man omsetter en kvartær karbonylforbindelse med formel IV hvor R^, R2, R3,<R>4,<R>5,<R>6, R? og X har foran angitte
betydning,
med hydroksylamin, et lavere alkoksyamin, et aralkoksyamin eller med semikarbazid på i og for seg kjent måte.
Forbindelsen med formel I, spesielt oksimene og oksimeterene, kan opptre i syn- og antiform.
De reaksjonsdyktige esterne av benzylalkohol med formel II er tildels oppnåelige i handelen, andre er kjente fra litteraturen. De ikke tidligere beskrevne forbindelser med formel II kan fremstilles etter kjente fremgangsmåter fra kjente grunnstoffer, f.eks. fra de tilsvarende substituerte benzaldehyder eller benzosyrer henholdsvis benzo-syreestere, som reduseres til de tilsvarende benzylalkoholer, hvilke f.eks. ved behandling med halogenhydrogen gir de onskede benzylhalogenider. Videre kan egnede substituerte benzolderivater overfores ved halometyler-ing til benzylhalogenider med formel II. Kjente halometylerings-midler er f.eks. monobromdimetyleter eller formaldehyd/halogenhydrogen.
I benzylpyridinium-bromidene og -kloridene med formel I kan anionet X utveksles etter kjente fremgangsmåter med andre farmasoytisk uskadelige anioner. Som eksempler på slike anioner skal nevnes de av fosfor-, svovel-, metansulfon-, eddik-, melke-, rav-, eple-, ftal-, vin- og embonsyre.
Med den foran anvendte betegnelse "lavere alkyl", også hvor
den opptrer som bestanddel av betegnelsene "lavere alkoksy" og "lavere alkoksykarbonyl" defineres mettede enverdige ålifatiské rester, som kan inneholde inntil 6 karbonatomer. i disse rester kan karbonkjeden være rett eller forgrenet og som eksempler på slike rester skal nevnes metyl-, etyl-, propyl-, isopropyl-, n-butyl-, isobutyl-, sek.butylgruppen såvel som metoksy-, etoksy-, propoksy-, isopropoksy-, n-butoksy-, isobutoksy- og sek. butoksygruppen. Ureidogruppen er gruppen
-NHCONH2(Nomenklatur etter Chemical Abstracts).
Forbindelsene ifolge oppfinnelsen kan administreres varmblodige dyr for senkning av blodtrykket og da i terapeutisk virksomme doser i form av stoffsammensetninger med organiske, eller uorganiske, faste eller flytende bærestoffer, som egner seg for den orale, rektale eller parenterale administrasjon. Dags-dosen av aktivstoffene ifolge oppfinnelsen kan ligge mellom 0,1 mg/kg og 10 mg/kg, fortrinnsvis mellom 0,5 og 5 mg/kg.
I de folgende eksempler er temperaturene angitt i Celsius-grader, prosenter er vektprosenter.
EKSEMPLER
A. Fremstilling av benzylpyridiniumsalter
EKSE MPEL 1
En opplosning av 54 g 3,4-dimetoksy-2-metylbenzylbromid smp. 70-72°, (sml. eksempel I ) og 27 g 2-pyridinaldoksim i 162 ml dimetylformamid holdes i lbpet av 18 timer ved 30°. De ut-fallende krystaller filtreres fra og filtratet helles under roring langsomt i 2000 ml tetrahydrofuran. Det amorfe bunnfall filtreres fra og omkrystalliseres felles med det krystalline materiale to ganger fra metanol, hvorved det rene l-(3,4-dimetoksy-2-metylbenzyl)-2-formylpyridiniumbromid-bksim oppnås i fargelose krystaller, smp. 166,5 - 168°.
EKSEMPLER 2- 8
Under anvendelse av/ de i eksempel 1 angitte reaksjonsbetingelser oppnås analogt: 2. fra 3,4-dimetoksybenzylbromid og 2-pyridinaldoksim 1-C3,4-dimetoksybenzyl)-2-formylpyridinium-bromid-oksimet, lysegule krystaller, smp. 168-171,5° (fra metanol); 3. fra 4,5-dimetoksy-2-metylbenzylbromid (smp. 31,5-33° fra heksan) og 2-pyridinaldoksim 1-(4^ 5-dimetoksy-2-metylbenzyl>-2-formylpyridiniumbromid-oksimet, fargelose krystaller, smp. 178,5-181° (fra metanol)-; 4. fra 4,5-dimetoksy-2-isopropylbenzylbromid og 2-pyridinaldoksim 1-(4,5-dimetoksy-2-isopropylbenzyl)-2-formylpyridinium-bromid-oksimet, smp. 147-148° (spaltning) (fra metanol/ eddikéster); 5.. fra 3,4,5-trimetoksybenzylbromid og 2-pyridinaldoksim 1-(3,4,5-trimetoksybenzyl)-2-formylpyridinium-bromid-oksimet, fargelose krystaller, smp. 155-157,5° (fra metanol); 6. fra 2, 3, 4-trimetoksybenzylbromid og 2-pyridinaldoksim 1-(2,3,4-trimetoksybenzyl)-2-formylpyridinium-bromid-oksimet, smp. 160-161,5° (fra metanol);7. fra 3,4-dimetoksy-2-metylbenzylbromid og 3-pyridinald^ oksim
1-(3,4-dimetoksy-2-metylbenzyl)-3-formylpyridinium-bromid-oksimet, smp. 164-165,5° (fra etanol);
8. fra 3,4-dimetoksy-2-metylbenzylbromid og 4^pyridinaldoksim
1-(3,4-dimetoksy-2-metylbenzyl)-4-formylpyridiniumbromid-oksimet, smp. 206,5-207,5° (fra metanol).
EKSEMPLER - 9- 14- _
Under anvendelse av de i eksempel 1 angitte réaksjoirsbétingelser, dog med den forskjell åt det blir arbeidet ved værelsetemperatur i stedet for ved 30°, oppnår man på analog måte:'■-
9. fra 3,4-dimetdksy-2-metylbénzylbromid og 2-acétylpyridin-oksim (fremstilt ifolge J. Am. Ghém. Soc. 79, 481 (1957)) 1-(3,4-dimetoksy-2-metylbenzyl)-2-acetylpyridiniumbromid-smp. 128-129,5° (fra isopropahol/eddikester); 10. fra 2,5-dimetoksybenzylbromid, smp. 68-75° og 3-pyridinaldoksim 1-(2,5-dimetoksybenzyl)-3-formylpyridinium-bromidoksimet, smp. 177-178° (fra metanol); 11. fra 3,4-dimetoksybenzylbromid og 3-acetylpyridinoksim (fremstilt ifolge J\ Am. Chem. Soc. 79, 481 (1957)), 3-acetyl-l- (3, 4-dimetoksybenzyl) -pyridinium-bromid-oksimet, smp. 214-214,5° (fra metanol); 12. fra 3,4-dimetoksybenzylbromid bg 3-pyridinaldoksim 1-(3,4-dimetoksybenzyl)-3-formylpyridinium-bromidoksimet, smp. 212-212,5° (fra metanol) ; 13. fra 4-klorbenzylbromid og 3-pyridinaldoksim 1-(4-klorbenzyl)-3-formylpyridinium-bromid-oksimet,
smp. 195-196,5° (fra etanol); 14. fra 4-fluorbenzylbromid og 2-pyridinaldoksim 1-(4-fluorbenzyl)-2-formylpyridinium-bromid-oksimet,
smp. 181-182,5° (fra etanol).
EKSEMPLER 15- 18
Under anvendelse av de i eksempel 1 angitte reaksjonsbetingelser, dog med den forskjell at det blir arbeidet ved værelsetemperatur og kortere enn 18 timer, oppnår man:
15. fra 3, 4-dimetoksy-2-metylbenzylbromid og 3-metyl-2-pyridinaldoksim (fremstilt ifolge Ginsburg + Wilson, "J. Am. Chem. Soc. 79, 481 (1957)) ved 2 timers reaksjonstid 1-(3,4-dimetoksy-2-metylbenzyl)-2-formyl-3-metyl-pyridinium-bromid-oksimet, fargelose krystaller, smp. 154-155,5° (fra etanol); 16. fra 3-nitrobenzylbromid og 3-pyridinaldoksim i 45 minutter 1-(3-nitrobenzyl)-3-formyl-pyridinium-bromid-oksimet, smp. 231-232° (fra metanol/etanol); 17. fra 3,4-dimetoksy-2-metyl-benzylbromid og 3-pyridinaldoksim-O-benzyleter i lopet av 15 minutter 1-(3,4-dimetoksy-2-metylbenzyl)-3-formylpyridinium-bromid-O-benzyloksimet, smp. 150-151° (fra isopropanol); 18. fra 3,4-dimetoksybenzyl-2-metyl-benzylbromid og 3-pyridinaldoksim-O-fenetyleter i lopet av 10 minutter 1- (3,4-dimetoksy-2-metylbenzyl)-3-formylpyridiniumbromid-0- fenyletyloksimet, smp. 167-167,5° (fra isopropanol).
EKSEMPLER 19- 39
Under anvendelse av de i eksempel 1 angitte reaksjonsbetingelser, dog med den forskjell at det blir arbeidet ved værelsetemperatur og lengere enn 18 timer, oppnår man: 19. fra 3,4-dietoksy-2-metylbenzylbromid (smp. 39-44°) og 2- pyridinaldoksim ved 4-dagers reaksjonstid 1- (3,4-dietoksy-2-metylbenzyl-2-formylpyridiniumbromid-oksimet; smeltepunkt 139-140°. 20. fra 3-nitrobenzylbromid og 2-pyridinaldoksim ved 5 dagers reaksjonstid 2- formyl-(3-nitrobenzyl)-pyridinium-bromid-oksimet,
smp. 189-190° (fra metanol); 21. fra 4-brombenzylbromid og 2-pyridinaldoksim ved 6 dagers reaksjonstid 1-(4-brombenzyl)-2-formylpyridinium-bromid-oksimet,
smp. 167-168° (fra isopropanol),.
22. fra 3-nitrobenzylbromid og 2-pyridinaldehyd-semikarbazon (sml. Beilstein 21, I, 288) ved 5 dagers reaksjons-varighet
1- (3-nitrobenzyl)-2-formylpyridinium-bromid-semikarba-zonet smp. 214-216°;
23. fra 2-nitrobenzylbromid og 2-pyridinaldoksim etter 3 dager
2- formyl-l-(2-nitrobenzyl)-pyridinium-bromid-oksimet, smp. 177-178° (fra etanol);
2 4. fra 4-brombenzylbromid og 3-pyridinaldoksim etter 7 dager
1-(4-brombenzyl)-3-formylpyridinium-bromid-oksimet,
smp. 207-208° (fra etanol);
25. fra 4-klorbenzylbromid og 2-pyridinaldoksim etter 2 dager
1- (4-klorbenzyl)-2-formylpyridinium-bromid-oksimet,
smp. 166-167,5° (fra isopropanol);
26. fra 3,4-dimetoksy-2-metylbenzylbromid og 2-pyridylgly-oksylsyre-etylester etter 4 dager
2- [l-(3,4-dimetoksy-2-metylbenzyl)-pyridinium]-glyoksyl-syre-etylester-oksim-bromidet med smp. 160-161°
(fra isopropanol); 27. fra 3-nitrobenzylbromid og 2-acetylpyridin-oksim etter 17 dager
2-acetyl-l-(3-nitrobenzyl)-pyridinium-bromid-oksimet, smp. 181-182° (spaltning) (fra metanol/eddikester/ petroleter);
28. fra 4-metoksybenzylbromid og 2-acetylpyridin-oksim etter 2 dager
2-acetyl-l-(4-metoksybenzyl)-pyridinium-bromid-oksimet, smp. 143-145,5° (fra isopropanol);
29. fra 4-metoksybenzylbromid og 2-pyridinaldoksim etter
14 dager
2-formyl-1-(4-metoksybenzyl)-pyridinium-bromid-oksimet, smp. 150-150,5° (fra etanol);
30. fra 4-klorbenzylbromid og 2-acetylpyridin-oksim etter
15 dager
2-acetyl-l-(4-klorbenzyl)-pyridinium-bromid-oksimet,
smp. 149,5-150,5° (fra isopropanol);
31. fra 4-brombenzylbromid og 2-pyridinaldehyd-semikarbazon (Beilstein 21, I, 288) etter 56 dager
1- (4-brombenzyl)-2-formylpyridinium-bromid-semikarbazonet, smp. 178,5-180° (fra metanol);
32. fra 2,3,4,5,6-pentafluorbenzylbromid og 2-pyridinaldoksim
. etter 42 dager
2- formyl-l-pentafluor-benzylpyridinium-bromid-oksimet, smp. 170-172° (fra isopropanol);
33. fra 2-brombenzylbromid og 2-pyridinaldoksim etter 42 timer
1-(2-brombenzyl)-2-formylpyridinium-bromid-oksimet,
smp. 170,5-171° (fra isopropanol/fortynnet HBr);
34. fra 4-metoksybenzylbromid og 3-pyridinaldoksim etter
35 dager
3- formyl-1-(4-métoksybenzyl)-pyridinium-bromid-oksimet, smp. 146-147° (fra etanol);
35. fra 3,4-dimetoksy-2-metylbenzylbromid og 2-pyridinaldoksim-O-propyleter etter 127 dager
1-(3,4-dimetoksy-2-metylbenzyl)-2-formylpyridinium-bromid-O-propyloksimet, smp. 108-110° (fra eddikester/isopropanol);
36. fra 4-nitrobenzylbromid og 2-pyridinaldoksim etter
17 dager
2- formyl-1-(4-nitrobenzyl)-pyridinium-bromid-oksimet, smp. 169,5-171,5° (fra metanol);
37. fra ,3-brombenzylbromid og 3-pyridinaldoksim etter
2 dager
1-(3-brombenzyl)-3-formylpyridinium-bromid-oksimet,
smp. 110-111,5° (fra metanol);
38. fra 2-brombenzylbromid og 3-pyridinaldoksim etter 2 dager
1- (2-brombenzyl)-3-formylpyridinium-bromid-oksimet,
smp. 145,5-146° (fra etanol);
39. fra 3,4-dimetoksy-2-metylbenzylbromid og 3-acetylpyridin-oksim etter 98 dager
3- acetyl-l-(3,4-dimetoksy-2-metylbenzyl)-pyridinium-bromid-oksimet, smp. 200-200,5° (fra etanol);
EK SMEPLER 40r41
40. En opplosning av 9,45 g 3-fluorbenzylbromid og 6,1 g 2- pyridinaldoksim i 35 ml tetrametylensulfon står til henstand i 7 dager ved værelsetemperatur. Det krystalline bunnfall filtreres fra og omkrystalliseres fra isopropanol/metanol og gir 1-(3-fluorbenzyl)-2-formylpyridinium-bromid-oksimet, smp. 172-175°.
På analog måte oppnås:
41. fra 3,4-dimetoksy-2-metylbenzylbromid og 2-benzoyl-pyridin-oksim (fremstilt ifolge J. Am. Chem. Soc. 79, 481 (1957)) i 7 dager
1-(3,4-dimetoksy-2-metylbenzyl)-2-benzoylpyridinium-bromid-oksimet, smp. 172-173° (fra isopropnaol).
EKSEMPLER'42.- 43
42. a) En opplosning ay 12,5 g 3,4-dimetoksy-2-metylbenzyl-bromid og 5,35 g 2-pyridinaldehyd (frisk destillert) i 30 ml dimetylformamid står til henstand 18 timer under
nitrogen ved værelsetemperatur. Blandingen helles så
i 800 ml eddikester under roring og det dannede gule bunnfall av 1-(3,4-dimetoksy-2-metyl)-benzyl-2-formyl-pyridinium-bromid, smp. 111-112°, filtreres fra. b) Til en av 2,4 g hydroksylamin-hydroklorid og 1,7 g kaliumhydroksyd i 15 ml metanol tillaget hydroksylamin-opplbsning tilsettes en opplosning av 9,15 g l-(3,4-dimetoksy-2-metyl)-benzyl-2-formylpyridinium-bromid i 10 ml metanol.
Blandingen oppvarmes i lopet av 30 minutter på dampbadet, avkjoles så til 0° og helles under roring i 1000 ml eter.Bunnfallet skilles fra, omkrystalliseres fra metanol og gir 1-(3,4-dimetoksy-2-metylbenzyl)-2-formylpyridinium-bromid-oksimet, smp. 152-154°.
På analog måte oppnås:
43. fra 1-(3,4-dimetoksy-2-metyl)-benzyl-2-formyl-pyridinium-bromid og metanolisk semikarbazidopplosning
(fra semikarbazid-hydroklorid og kaliumkarbonat)
i-(3,4-dimetoksy-2-metylbenzyl)-2-formylpyridinium-bromid- semikarbazon, smp. 178-178,5° (fra metanol/ eddikester).
B. Fremstilling av de som mellomprodukter anvendte benzylbromider.
EKSEMPLER I- V
En rekke av de i de foregående eksempler anvendte benzylbromider syntetiseres av lett tilgjengelige grunnstoffer. Ved brom-métylering av benzolderivater oppnås f6lgende benzylbromider:
i 3, 4- dimetoksy-2- metvlbenzylbromid
En blanding av 91 g 2,3-dimetoksytoluen, 20 g paraformal-dehyd, 68,5 ml 46%' ig bromhydrogensyre og 300 ml benzen mettes under roring ved 0° med bromhydrogensyre. Den organiske fase skilles fra, vaskes med mettet koksalt-opplosning, torkes over vannfritt magnesiumsulfat og befris for opplosningsmidlet i vakuum. Det tilbakeblivende råprodukt omkrystalliseres fra petroleter og gir benzylbromidet, smp. 68-70°. Ved flere gangers omkrysta11isasjon forhoyes smp. til 70-72°. Produktet kan også oppnås på kjent måte fra 2,3-dimetoksytoluen og monobromdimetyleter.
På analog, måte fremstilles:
II fra 3,4-dimetoksytoluen
4,5-dimetoksy-2-metylbenzylbromidet, smp. 31,5-33°
(fra heksan);
III fra 3,4-dimetoksycumol, kp. 123-130°/13 torr,
4,5-dimetoksy-2-isopropylbenzylbromidet, som anvendes uten ytterligere rensning for den i eksempel 5 beskrevne omsetning.
3,4-dimetoksycumol oppnås fra 4-isopropylkatekol (som natriumsalt) og dimetylsulfat på kjent måte.
IV fra 1, 2,3-trimetoksybenzen (fremstilt ifolge A. Oliviero og Mitarb. Gazz. Chim. Ital. 87, 363 (1948)) 2,3,4-trimetoksybenzylbromid, som anvendes uten ytterligere rensning for den i eksempel 9 beskrevne omsetning.
V fra 2,3-dietoksytoluen, kp. 123-127°/12 torr
(fremstilt fra 3-metylkatekol og dietylsulfonat på kjent måte)
3, 4-dietoksy-2-metylbenzylbromidet, smp. 39-44° (fra heksan).
EKSEMPLER VI - IX ■
Ytterligere benzylbromider oppnås ved omsetning av benzylalkoholer med konsentrert HBr:
VI 3, 4, 5- trimetoksyben' zylbromid
En opplosning av 40 g 3,4,5-trimétoksybenzylalkohol i 312 ml torr benzen mettes under roring ved -10° med bromhydrogen. Reaksjonsblandingen noytraliseres med vannfritt kaliumkarbonat, filtreres og filtratet
torkes over vannfritt magnesiumsulfat. Etter fordamp-ning av benzenet forblir produktet som nesten fargelos olje, som uten ytterligere rensning anvendes for den i eksempel 6 beskrevne omsetning.
På analog måte fremstilles:
VII fra 2,3-dimetoksybenzylalkohol
2.3- dimetoksybenzylbromid, som anvendes uten ytterligere rensning for den i eksempel 7 beskrevne omsetning.
VIII fra 3,4-dimetoksybenzylalkohol
3.4- dimetoksybenzylbromid, som anvendes uten ytterligere rensning for de i eksemplene 3, 14 og 15 beskrevne omsetninger.#
IX frå 4-klorbenzylalkohol
4-klorbenzylbromidet, som uten ytterligere rensning anvendes for de i eksemplene 16 og 31 beskrevne omsetninger.
EKSEMPEL X
5- etyl- 2- pyridinåldoksim
En blanding av 24 g 5-etyl-2-metylpyridin, 80 ml iseddik og 18 ml 30%'ig hydrogenperoksyd oppvarmes i lopet av 3 timer på 80°. Det tilsettes ytterligere 6 ml 30%'ig hydrogenperoksyd og oppvarmes i tillegg 3 timer på 80°. Deretter konsentreres blandingen i vannstrålevakuum så langt som mulig og resten opptas i 50 ml acetanhydrid. Opplosningen oppvarmes på 95°, hvorved den eksoterme reaksjonen utloses og opplosningen kommer til kokning. Den holdes 2 timer ved tilbakelop og destilleres fraksjonert ved vannstrålevakuum, hvorved 2-acet-oksymetyl-5-etylpyridin oppnås, kp. 138-140°/12 torr.
En opplosning av 15 g 2-acetoksymetyl-5-etylpyridin, 70 ml iseddik og 16 ml 30%<1>ig hydrogenperoksyd oppvarmes ytterligere 3 timer. Ytterligere tilsettes 8 ml av hydrogenperoksydet og
oppvarmes ytterligere 3 timer. Deretter konsentreres ved vannstrålevakuum og resten opptas i 60 ml 6-n saltsyre. Opplosningen oppvarmes i 1 time på dampbadet og hoveddelen av saltsyren fjernes i vakuum.'Resten opploses i vann, opplosningen innstilles alkalisk med natronlut og ekstraheres grundig med eter. Den etter fordampningen av eteren tilbakeblivende rest destilleres og gir 5-etyl-2-formylpyridin, kp. 85-106°/12 torr.
En av 1,94 g hydroksylamin-hydroklorid, 2,35 g natriumbikarbo-nat og 10 ml vann tilberedt opplosning tilsettes opplosningen av 3,7 g 5-etyl-2-formylpyridin i 10 ml etanol og blandingen oppvarmes i 1 time på dampbadet. Etter avkjoling oppnår man 5-etyl-2-pyridinaldoksimet, smp. 148-149°.
Claims (1)
- Fremgangsmåte for fremstilling av terapeutisk virksomme benzylpyridiniumsalter med formelhvor R^ betegner hydrogen eller lavere alkyl med 1-4 karbonatomer, R2 og R3 uavhengig av hverandre hydrogen, lavere alkyl med 1-4 karbonatomer, lavere alkoksy med 1-4 karbonatomer, fluor, klor, brom eller nitro, R4 og R^ hydrogen, lavere alkoksy med 1-4 karbonatomer, fluor, klor, brom eller nitro, R6 hydrogen,-, eller når R.,, R3 , R4 og R5 samtidig betyr fluor, et flupratom, R7 hydrogen,- lavere alkyl med 1-4 karbonatomer, fenyl eller lavere alkoksykarbonyl, Rg hydroksygruppen, en lavere alkoksygruppe, en lavere aralkoksygruppe eller en ureidogruppe, X brom eller klor, og under den betingelse (1) at ikke mer enn tre av symbolene R2 , R^, R4 og R^ samtidig betyr hydrogen, (2) at ikke mer enn to av symbolene R3, R4 og R^ samtidig betyr hydrogen når R2 er en metylgruppe, (3) at ikke mer enn to av symbolene R2 , R^ og R^ samtidig betyr hydrogen når R3 er en lavere alkoksygruppe og gruppenstår i 2-stilling, og (4) at ikke mer enn et av symbolene R3 og R4 betyr hydrogen når R2 og R5 samtidig er en lavere alkoksy gruppe og gruppenstår i 2-stilling, karakterisert ved at man a) omsetter en reaksjonsdyktig ester av benzylalkohol med formelhvor , R3 , R4 , R5 , R6 og X har den foran angitte betydning, med et pyridinderivat med formelhvor R, , R„ og RQ har den foran angitte betydning, 1 / o ellerb) omsetter en karbonylforbindelse med formelhvor R^ , R2/ R^/ R^/ R5 , <R> q, Rrj og X har den foran angitte betydning, med hydroksylamin, et lavere alkoksyamin, et aralkoksyamin eller med semikarbazid, på i og for seg kjent måte. Anførte publikasjoner: CK. Bradsher et.al., Journal of Organic Chemistry, Vol. 25, s. 757 (1960)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60341866A | 1966-12-21 | 1966-12-21 | |
US68531767A | 1967-11-24 | 1967-11-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO123894B true NO123894B (no) | 1972-01-31 |
Family
ID=27084423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO17107867A NO123894B (no) | 1966-12-21 | 1967-12-20 |
Country Status (13)
Country | Link |
---|---|
AT (1) | AT278783B (no) |
BE (1) | BE708316A (no) |
CH (1) | CH487154A (no) |
DE (1) | DE1695101A1 (no) |
DK (1) | DK118876B (no) |
ES (1) | ES348464A1 (no) |
FR (2) | FR1550578A (no) |
GB (1) | GB1210519A (no) |
GR (1) | GR37786B (no) |
IL (1) | IL29176A (no) |
NL (2) | NL6717412A (no) |
NO (1) | NO123894B (no) |
SE (1) | SE337373B (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1600969A (en) * | 1977-01-07 | 1981-10-21 | Acf Chemiefarma Nv | Heterocyclic compounds |
NL7905789A (nl) * | 1979-07-26 | 1981-01-28 | Tno | 1-gesubstitueerde-hydroxyiminomethyl-pyridinium zouten, werkwijze voor het bereiden van deze verbindingen, preparaten tegen organo-fosfaatvergiftingingen, alsmede werkwijze voor het bereiden van dergelijke preparaten. |
US5206371A (en) * | 1990-08-10 | 1993-04-27 | Georgia Tech Research Corporation | Quaternary pyridinium compounds |
-
1967
- 1967-12-20 DE DE19671695101 patent/DE1695101A1/de active Pending
- 1967-12-20 ES ES348464A patent/ES348464A1/es not_active Expired
- 1967-12-20 FR FR1550578D patent/FR1550578A/fr not_active Expired
- 1967-12-20 NL NL6717412A patent/NL6717412A/xx unknown
- 1967-12-20 BE BE708316D patent/BE708316A/xx unknown
- 1967-12-20 AT AT1152067A patent/AT278783B/de not_active IP Right Cessation
- 1967-12-20 NO NO17107867A patent/NO123894B/no unknown
- 1967-12-20 GB GB57747/67A patent/GB1210519A/en not_active Expired
- 1967-12-20 IL IL2917667A patent/IL29176A/en unknown
- 1967-12-20 SE SE1747767A patent/SE337373B/xx unknown
- 1967-12-20 CH CH1788967A patent/CH487154A/de not_active IP Right Cessation
- 1967-12-20 GR GR670137786A patent/GR37786B/el unknown
- 1967-12-20 DK DK638267A patent/DK118876B/da unknown
- 1967-12-20 NL NL6717413A patent/NL6717413A/xx unknown
-
1968
- 1968-03-19 FR FR144357A patent/FR7308M/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6717413A (no) | 1968-06-24 |
FR1550578A (no) | 1968-12-20 |
CH487154A (de) | 1970-03-15 |
IL29176A (en) | 1972-08-30 |
NL6717412A (no) | 1968-06-24 |
FR7308M (no) | 1969-09-29 |
DE1695101A1 (de) | 1971-03-18 |
GR37786B (el) | 1969-07-15 |
BE708316A (no) | 1968-06-20 |
GB1210519A (en) | 1970-10-28 |
AT278783B (de) | 1970-02-10 |
ES348464A1 (es) | 1969-06-16 |
SE337373B (no) | 1971-08-09 |
DK118876B (da) | 1970-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO171078B (no) | Pumpe | |
IE42208B1 (en) | 3-amino-indazlecarboxylic acid derivatives,process for their preparation and their use as medicaments | |
US4278677A (en) | Tetrahydropyridinyl indoles | |
EP1070716A1 (fr) | Nouveaux dérivés de beta-carboline, leur procédé de préparation et les compositions pharmaceutiques qui les contiennent | |
JPS6043064B2 (ja) | 新規イソオキサゾ−ル誘導体 | |
WO1997008167A1 (en) | 5ht2c and 5ht2b antagonists | |
JPS5849366A (ja) | 3,4−ジヒドロカルボスチリル誘導体 | |
DE2230592A1 (de) | Heterocyclische verbindungen, verfahren zu ihrer herstellung und diese verbindungen enthaltende arzneipraeparate | |
US3004979A (en) | Oximes of certain tetrahydropyridine | |
HU196786B (en) | Process for production of new indol-derivatives and medical compositions containing them | |
IE42978B1 (en) | Triaryl alkyl azabicyclo compounds | |
NO119800B (no) | ||
US3993764A (en) | Treatment of depressive states and Parkinson's disease | |
NO123894B (no) | ||
US3459767A (en) | Aminomethylindoles | |
US4128552A (en) | 1-[4,4-Bis(4-fluorophenyl)butyl]-4-phenylthio-1,2,3,6-tetrahydropyridines and related sulfoxides and sulfones | |
US4232031A (en) | Process for preparation of piperidyl-indoles | |
US5023334A (en) | Anthelmintic pyridinyl acylhydrazones | |
US4333939A (en) | Tetrahydropyridinyl-indoles | |
US4105777A (en) | Indoles | |
US4438121A (en) | Isoquinoline amidoxime derivatives | |
US3936459A (en) | 1',4'-Dihydro-1-methyl-spiro [piperidine and pyrrolidine-2,3'(2'H)quinoline]-2'-one compounds | |
US3408355A (en) | Thiaxanthene derivatives | |
US5011932A (en) | Anthelmintic pyridinyl acylhydrazones derivatives | |
US3560512A (en) | 3-substituted-2,1-benzisothiazoline-2,2-dioxides |