NO801496L - Fremgangsmaate ved fremstilling av pyrazolderivater - Google Patents
Fremgangsmaate ved fremstilling av pyrazolderivaterInfo
- Publication number
- NO801496L NO801496L NO801496A NO801496A NO801496L NO 801496 L NO801496 L NO 801496L NO 801496 A NO801496 A NO 801496A NO 801496 A NO801496 A NO 801496A NO 801496 L NO801496 L NO 801496L
- Authority
- NO
- Norway
- Prior art keywords
- pyrazole
- chlorophenyl
- fluorophenyl
- acetic acid
- solution
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- -1 nitro, amino Chemical group 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 150000003217 pyrazoles Chemical class 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 150000007513 acids Chemical class 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- 125000001424 substituent group Chemical group 0.000 claims 2
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims 1
- 125000004414 alkyl thio group Chemical group 0.000 claims 1
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical group CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 150000002431 hydrogen Chemical class 0.000 claims 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 125000004076 pyridyl group Chemical group 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 235000019341 magnesium sulphate Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- UGAGMGHVRQLXKG-UHFFFAOYSA-N 1-(4-chlorophenyl)-n,n-dimethylethenamine Chemical compound CN(C)C(=C)C1=CC=C(Cl)C=C1 UGAGMGHVRQLXKG-UHFFFAOYSA-N 0.000 description 2
- BMMBSROJAOISIS-UHFFFAOYSA-N 1-[4-(4-chlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Cl)C=C1 BMMBSROJAOISIS-UHFFFAOYSA-N 0.000 description 2
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 2
- DHEUKGACTBHYCW-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-(4-methylsulfanylphenyl)pyrazol-3-yl]acetic acid Chemical compound ClC1=CC=C(C=C1)C=1C(=NN(C1)C1=CC=C(C=C1)SC)CC(=O)O DHEUKGACTBHYCW-UHFFFAOYSA-N 0.000 description 2
- RMCCCVIYWRJQEW-UHFFFAOYSA-N 4-[2-(4-bromophenyl)ethenyl]morpholine Chemical compound C1=CC(Br)=CC=C1C=CN1CCOCC1 RMCCCVIYWRJQEW-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229950005499 carbon tetrachloride Drugs 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- GLYDHOZNBVJYBG-UHFFFAOYSA-N n-(4-fluorophenyl)-2-oxopropanehydrazonoyl chloride Chemical compound CC(=O)C(Cl)=NNC1=CC=C(F)C=C1 GLYDHOZNBVJYBG-UHFFFAOYSA-N 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- BHTZCIGVYSJBQB-UHFFFAOYSA-N 1-(1h-pyrazol-5-yl)ethanone Chemical class CC(=O)C=1C=CNN=1 BHTZCIGVYSJBQB-UHFFFAOYSA-N 0.000 description 1
- SDHFIWNBYPDKTQ-UHFFFAOYSA-N 1-[1,4-bis(4-chlorophenyl)pyrazol-3-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC(Cl)=CC=2)C=C1C1=CC=C(Cl)C=C1 SDHFIWNBYPDKTQ-UHFFFAOYSA-N 0.000 description 1
- YKJUQRWZPARTLM-UHFFFAOYSA-N 1-[4-(4-bromophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Br)C=C1 YKJUQRWZPARTLM-UHFFFAOYSA-N 0.000 description 1
- VMLSODMFKSZXDR-UHFFFAOYSA-N 1-[4-(4-bromophenyl)-2-(4-fluorophenyl)-3-morpholin-4-yl-3,4-dihydropyrazol-5-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC(F)=CC=2)C(N2CCOCC2)C1C1=CC=C(Br)C=C1 VMLSODMFKSZXDR-UHFFFAOYSA-N 0.000 description 1
- ZVPZZMHGAOROCC-UHFFFAOYSA-N 1-[4-(4-chlorophenyl)-1-(4-methylsulfanylphenyl)pyrazol-3-yl]ethanone Chemical compound C1=CC(SC)=CC=C1N1N=C(C(C)=O)C(C=2C=CC(Cl)=CC=2)=C1 ZVPZZMHGAOROCC-UHFFFAOYSA-N 0.000 description 1
- IRGRRSWKJQLVRB-UHFFFAOYSA-N 1-[4-(4-chlorophenyl)-1-phenylpyrazol-3-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC=CC=2)C=C1C1=CC=C(Cl)C=C1 IRGRRSWKJQLVRB-UHFFFAOYSA-N 0.000 description 1
- PQHKAMGAAKGSNW-UHFFFAOYSA-N 1-[4-(4-chlorophenyl)-2-(4-fluorophenyl)-3-morpholin-4-yl-3,4-dihydropyrazol-5-yl]ethanone Chemical compound CC(=O)C1=NN(C=2C=CC(F)=CC=2)C(N2CCOCC2)C1C1=CC=C(Cl)C=C1 PQHKAMGAAKGSNW-UHFFFAOYSA-N 0.000 description 1
- JQZAEUFPPSRDOP-UHFFFAOYSA-N 1-chloro-4-(chloromethyl)benzene Chemical compound ClCC1=CC=C(Cl)C=C1 JQZAEUFPPSRDOP-UHFFFAOYSA-N 0.000 description 1
- WPOYBLWKLDBTBP-UHFFFAOYSA-N 1-morpholin-4-ylethanethione Chemical class CC(=S)N1CCOCC1 WPOYBLWKLDBTBP-UHFFFAOYSA-N 0.000 description 1
- KEQTWHPMSVAFDA-UHFFFAOYSA-N 2,3-dihydro-1h-pyrazole Chemical compound C1NNC=C1 KEQTWHPMSVAFDA-UHFFFAOYSA-N 0.000 description 1
- MFHFWRBXPQDZSA-UHFFFAOYSA-N 2-(4-bromophenyl)acetonitrile Chemical compound BrC1=CC=C(CC#N)C=C1 MFHFWRBXPQDZSA-UHFFFAOYSA-N 0.000 description 1
- MWSNYBOKRSGWAN-UHFFFAOYSA-N 2-(4-chlorophenyl)acetaldehyde Chemical compound ClC1=CC=C(CC=O)C=C1 MWSNYBOKRSGWAN-UHFFFAOYSA-N 0.000 description 1
- QDNFDLUXFADBPV-UHFFFAOYSA-N 2-[1,4-bis(4-chlorophenyl)pyrazol-3-yl]-1-morpholin-4-ylethanethione Chemical compound C1=CC(Cl)=CC=C1C1=CN(C=2C=CC(Cl)=CC=2)N=C1CC(=S)N1CCOCC1 QDNFDLUXFADBPV-UHFFFAOYSA-N 0.000 description 1
- HMQSECTWUFQSPK-UHFFFAOYSA-N 2-[1,4-bis(4-fluorophenyl)pyrazol-3-yl]acetic acid Chemical compound OC(=O)CC1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(F)C=C1 HMQSECTWUFQSPK-UHFFFAOYSA-N 0.000 description 1
- TYBKLPOBJCHOCY-UHFFFAOYSA-N 2-[4-(3,4-dichlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]acetic acid Chemical compound OC(=O)CC1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Cl)C(Cl)=C1 TYBKLPOBJCHOCY-UHFFFAOYSA-N 0.000 description 1
- CUNUHKDDCQBLDQ-UHFFFAOYSA-N 2-[4-(4-bromophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]-1-morpholin-4-ylethanethione Chemical compound C1=CC(F)=CC=C1N1N=C(CC(=S)N2CCOCC2)C(C=2C=CC(Br)=CC=2)=C1 CUNUHKDDCQBLDQ-UHFFFAOYSA-N 0.000 description 1
- NFLKDJLSLPLAGV-UHFFFAOYSA-N 2-[4-(4-bromophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]acetic acid Chemical compound OC(=O)CC1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Br)C=C1 NFLKDJLSLPLAGV-UHFFFAOYSA-N 0.000 description 1
- CNSPGYKKZSPRQS-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]-1-morpholin-4-ylethanethione Chemical compound C1=CC(F)=CC=C1N1N=C(CC(=S)N2CCOCC2)C(C=2C=CC(Cl)=CC=2)=C1 CNSPGYKKZSPRQS-UHFFFAOYSA-N 0.000 description 1
- YAMFWQIVVMITPG-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]acetic acid Chemical compound OC(=O)CC1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Cl)C=C1 YAMFWQIVVMITPG-UHFFFAOYSA-N 0.000 description 1
- JLBVDJWADOVLAN-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-(4-methylsulfanylphenyl)pyrazol-3-yl]-1-morpholin-4-ylethanethione Chemical compound C1=CC(SC)=CC=C1N1N=C(CC(=S)N2CCOCC2)C(C=2C=CC(Cl)=CC=2)=C1 JLBVDJWADOVLAN-UHFFFAOYSA-N 0.000 description 1
- SOKWKFYFQMCYLX-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-(4-methylsulfinylphenyl)pyrazol-3-yl]acetic acid Chemical compound ClC1=CC=C(C=C1)C=1C(=NN(C1)C1=CC=C(C=C1)S(=O)C)CC(=O)O SOKWKFYFQMCYLX-UHFFFAOYSA-N 0.000 description 1
- WMJZPMJTHUVWSW-UHFFFAOYSA-N 2-[4-(4-chlorophenyl)-1-phenylpyrazol-3-yl]acetic acid Chemical compound OC(=O)CC1=NN(C=2C=CC=CC=2)C=C1C1=CC=C(Cl)C=C1 WMJZPMJTHUVWSW-UHFFFAOYSA-N 0.000 description 1
- VLRGXXKFHVJQOL-UHFFFAOYSA-N 3-chloropentane-2,4-dione Chemical compound CC(=O)C(Cl)C(C)=O VLRGXXKFHVJQOL-UHFFFAOYSA-N 0.000 description 1
- YKFROQCFVXOUPW-UHFFFAOYSA-N 4-(methylthio) aniline Chemical compound CSC1=CC=C(N)C=C1 YKFROQCFVXOUPW-UHFFFAOYSA-N 0.000 description 1
- AOAJHBQTGNMXKH-UHFFFAOYSA-N 4-[2-(4-chlorophenyl)ethenyl]morpholine Chemical compound C1=CC(Cl)=CC=C1C=CN1CCOCC1 AOAJHBQTGNMXKH-UHFFFAOYSA-N 0.000 description 1
- QSNSCYSYFYORTR-UHFFFAOYSA-N 4-chloroaniline Chemical compound NC1=CC=C(Cl)C=C1 QSNSCYSYFYORTR-UHFFFAOYSA-N 0.000 description 1
- IVYMIRMKXZAHRV-UHFFFAOYSA-N 4-chlorophenylacetonitrile Chemical compound ClC1=CC=C(CC#N)C=C1 IVYMIRMKXZAHRV-UHFFFAOYSA-N 0.000 description 1
- KRZCOLNOCZKSDF-UHFFFAOYSA-N 4-fluoroaniline Chemical compound NC1=CC=C(F)C=C1 KRZCOLNOCZKSDF-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- SIPUZPBQZHNSDW-UHFFFAOYSA-N bis(2-methylpropyl)aluminum Chemical compound CC(C)C[Al]CC(C)C SIPUZPBQZHNSDW-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- HASGOCLZFTZSTN-UHFFFAOYSA-N cyclohexane;hexane Chemical compound CCCCCC.C1CCCCC1 HASGOCLZFTZSTN-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- RJHCGGWBOWGPJS-UHFFFAOYSA-N n-(4-chlorophenyl)-2-oxopropanehydrazonoyl chloride Chemical compound CC(=O)C(Cl)=NNC1=CC=C(Cl)C=C1 RJHCGGWBOWGPJS-UHFFFAOYSA-N 0.000 description 1
- HOCCFPYBPMPQRB-UHFFFAOYSA-N n-(4-methylsulfanylphenyl)-2-oxopropanehydrazonoyl chloride Chemical compound CSC1=CC=C(NN=C(Cl)C(C)=O)C=C1 HOCCFPYBPMPQRB-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- IYJCSNRIDBJVRP-UHFFFAOYSA-M sodium;2-[4-(4-chlorophenyl)-1-(4-fluorophenyl)pyrazol-3-yl]acetate Chemical compound [Na+].[O-]C(=O)CC1=NN(C=2C=CC(F)=CC=2)C=C1C1=CC=C(Cl)C=C1 IYJCSNRIDBJVRP-UHFFFAOYSA-M 0.000 description 1
- DGPIGKCOQYBCJH-UHFFFAOYSA-M sodium;acetic acid;hydroxide Chemical compound O.[Na+].CC([O-])=O DGPIGKCOQYBCJH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
Foreliggende oppfinnelse angår en fremgangsmåte ved fremstilling av forbindelsene angitt i krav 11
Pyrazolderivater med den generelle formel I ifølge krav 1 er kjent fra,tysk patentansøkning P 26 33 992, men deres fremstilling ved de kjente fremgangsmåter er meget kostbar, og de erholdte utbytter er ofte utilfredsstillende.
Ved foreliggende fremgangsmåte lykkes det derimot å fremstille pyrazdlderivatene med den generelle formel I ved en enkel syntese i gode utbytter.
Foreliggende fremgangsmåte utføres under i og for seg kjente betingelser (Org. Reactions, ^3, (1946) , 83-107; Angew. Chem., 70, (1958), 351-367 og Synthesis (1975), 358-375).
Foreliggende fremgangsmåte utføres i nærvær av primære eller sekundære aminer.. Egnede aminer er f. eks. methylamin, ethylamin, dimethylamin, diethylamin, dibutylamin, anilin,
a-, 3- eller Y-Picolin'piperidin eller særlig morfolin og pyrrolidin.
De følgende utførelseseksempler tjener til å belyse oppfinnelsen ytterligere.
Eksempel 1
a) 28,9 g 4-fluoranilin tilsettes 260 ml 15%-ig saltsyre og 260 g is, avkjøles til -5°C og diazoteres med 19,7 g
natriumnitrit i 50 ml vann. Under stadig omrøring og av-kjøling tildryppes en oppløsning av 38,4 g 3-klor-2,4-pentan-dion, 260 ml ethanol, 260 g isvann og 350 g natriumacetat-hydrat. Blandingen omrøres i ytterligere 3 timer ved 0°C, fortynnes så med vann, hvorved forbindelsen utkrystalliserer. Krystallresiduet omkrystalliseres fra ethanol, og man får 50 g 1-klor-l-(4-fluorfenylhydrazono)-2-propanon med smp. 148°C.
b) En oppløsning av 19,6 g 4-brombenzylcyanid i 100 ml toluen blir ved -10°C under nitrogen tilsatt dråpevis 108 ml
av en 20%-ig oppløsning av diisobutylaluminiumhydrid (Dibah)
i toluen<p>g omrøres så i ytterligere 15 minutter. Efter forsiktig tilsetning av 35 ml ethanol tilsettes 250 ml vann og ca. 20 ml konsentrert svovelsyre (til pH 2), og der omrøres i 15 minutter ved 0°C. Derefter fraskilles toluenfasen, og
vannfasen efterekstraheres med toluen, de forenede toluen-oppløsninger vaskes med vann og tørres over magnesiumsulfat. Efter filtrering tilsettes toluenoppløsningen av 4-klorfényl-acetaldehyd 78 g morfolin, og der inndampes langsomt til halvt volum i vakuum og hensettes over natten. Efter inn-dampning av oppløsningen omrøres residuet med cyclohexan, hvorved krystallisasjon skjer. Krystallisatet omkrystalliseres så fra diisopropylether, og man får 12 g 4-(4-brom-styryl)-morfolin med smp. 142°C. c) En oppløsning av 7,2 g 4-(4-bromstyryl)-morfolin i 30 ml kloroform tilsettes efter hverandre med 2,7 g triethyl-amin og en oppløsning av 5,3 g 1-klor-l-(4-fluorfenylhydra-zono)-2-propanon i 30 ml kloroform og omrøres over natten ved værelsetemperatur (alternativt kan der kokes under til-bakeløp i 4 timer). Efter vasking med 2N saltsyre, natrium-hydrogencarbonatoppløsning og vann tørres kloroformfasen med magnesiumsulfat og inndampes. Det fra hexan (cyclohexan) krystalliserte residuum (10,5 g) kan enten videreopparbeides eller omkrystalliseres nok en gang fra ethanol; og man får 3-acetyl-4-(4-bromfenyl)-1-(4-fluorfenyl)-5-morfolino-4,5-dihydropyrazol med smp. 148°C. d) En oppløsning av 10 g av ovennevnte dihydropyrazol i 110 ml dioxan kokes med 30 ml 2N saltsyre i 60-90 minutter
under tilbakeløp. Derpå inndampes i vakuum, residuet taes opp i ethylacetat, vaskes med vann, tørres med magnesiumsulfat og inndampes i vakuum. Residuet krystalliseres fra methanol, og man får 7,5 g 3-acetyl-4-(4-bromfenyl)-1-(4-fluorfenyl)-pyrazol med smp. 185°C.
e) En blanding av 7,2 g av 3-acetylpyrazol-dérivatet og 0,84 g svovel oppvarmes i 9 ml morfolin i 3-4 timer ved
135°C, helles så i 150 ml isvann og omrøres godt. Det av-sugede bunnfall krystalliseres fra ethylacetat og dioxan, og man får 7,8 g 4-[4-(4-bromfenyl)-1-(4-fluorfenyl)-3-pyrazolyl-thioacetyl]-morfolin med smp. 211°C.
f) En blanding av 7,4 g ifølge eksempel ld fremstilt thio-acetylmorfolinderivat i 20 ml dimethylsulfoxyd tilsettes 6,4 g
natriumhydroxyd i 30 ml vann og oppvarmes under tilbakeløp i 5 timer. Efter helling i isvann krystalliserer natriumsaltet ut, avsuges, vaskes med methylehklorid og suspenderes i 2N saltsyre. Man får 5 g 4-(4-bromfenyl)-1-(4-fluorfenyl)-3-pyråzol-eddiksyre med smp. 175°C.
Eksempel 2
Analogt med eksempel 1 fåes 4-(4-klorfenyl)-1-(.4-fluorfenyl)-3-pyrazol-eddiksyre med smp. 148°C (ethanol/vann).
De anvendte mellomprodukter er: 4-(4-klorstyryl)-morfolin med smp. 102°C (diisopropylether) (fremstilt analogt med eksempel lb fra 4-klorbenzyl-cyanid)
3-acetyl-4-(4-klorfenyl)-1-(4-fluorfenyl)-5-morfolino-4,5-dihydropyrazol, smp. 137°C (ethanol)
3- acetyl-4-(4-klorfenyl)-1-(4-fluorfenyl)-pyrazol, smp. 181°C (isopropylalkohol) 4- [4-(4-klorfenyl)-1-(4-fluorfenyl)-3-pyrazolyl-thio-acetyl]-morfolin, smp;. 213°C (dioxan)
4-(4-klorfenyl)-1-(4-fluorfenyl)-3-pyrazol-eddiksyre-natriumsalt, smp. 299°C (vann).
Fremstillingen av 3-acetyl-4-(4-klorfenyl)-1-(4-fluor-fenyl) -pyrazol kan også skje analogt med eksempel lc fra a-dimethylamino-4-klorstyren og 1-klor-l-(4-fluorfenyl-hydrazono)-propan-2-on.
Utgangsmaterialet, a-dimethylamino-4-klorstyren, kan også fåes på følgende måte:
En oppløsning av 8 g 4-klorbenzylklorid i 50 ml ether tilsettes dråpevis til 1,5 g magnesiumspon (under argon) og
omrøres så i 30 minutter. Derpå avkjøles oppløsningen til -15°G og tilsettes dråpevis med 11 g rent dimethylformamid og 30 ml tetrahydrofuran. Reaksjonsblandingen omrøres i 3 timer ved -15°C, inndampes så forsiktig i vakuum og tilsettes 50 ml 2N ammoniumkloridoppløsning såvel som ethylacetat. Det organ-iske residuum krystalliseres fra methanol, og man får 5 g ct-dimethylamino-4-klorstyren med smp. 77°C. Eksempel 3
Analogt med eksempel 1 fremstilles 1,4-bis-(4-klor-. fenyl)-3-pyrazol-l-eddiksyre med smp. 184°C (toluen).
De anvendte mellomprodukter er:
1-klor-l-,(4-klorfenylhydrazono)-2-propanon,
smp. 175°C (ethanol) (fremstilt analogt med eksempel- la fra 4-kloranilin).
3- acetyl-l,4-bis-(4-klorfenyl)-pyrazol, smp. 190°C
(dioxan)
4- [1,4-bis-(4-klorfenyl)-3-pyrazolyl-thioacetyl]-morfolin, smp. 204°C (dioxan)
Eksempel 4
Analogt med eksempel 1 fremstilles 4-(4-klorfenyl)-1-(4-methylthiofenyl)-3-pyrazol-eddiksyre med smp. 169°C (methanol).
De anvendte mellomprodukter er: 1-klor-l-(4-methylthiofenylhydrazono)-2-propanon, smp. 110°C (tetraklormethan); (fremstilt analogt med eksempel la fra 4-methylthioanilin).
3- acetyl-4-(4-klorfenyl)-1-(4-methylthiofenyl)-pyrazol, smp. 85°C (methanol)
4- [4-(4-klorfenyl)-1-(4-methylthiofenyl)-3-pyrazolyl-thioacetyl ] -morfolin, smp. 248°C (ethylacetat)
Eksempel 5
En oppløsning av 1,8 g 4-(4-klorfenyl)-1-(4-methylthio-fenyl)-3-pyrazol-eddiksyre (fremstilt ifølge eksempel 4) i en blanding av 20 ml kloroform og 20 ml eddiksyre tilsettes 1 ml hydrogenperoxyd (30%) og omrøres ved værelsetemperatur i
1 time. Derpå fortynnes med vann, hvorved forbindelsen
krystalliserer ut. Den krystallinske forbindelse avsuges, vaskes med varmt vann og omkrystalliseres fra methanol, og man får 1,4 g 4-(4-klorfenyl)-1-(4-methylsulfinylfenyl)-3-pyrazol-eddiksyre med smp. 193°C.
Eksempel 6
Analogt med eksempel 1 fremstilles 4-(4-klorfenyl)-1-fenyl-3-pyrazol-eddiksyre med smp. 169°C (toluen).
De anvendte mellomprodukter er: 1-klor-l-fenylhydrazono-2-propanon, smp. 136°C
(ethanol)
3- acetyl-4-(4-klorfenyl)-1-fenyl-pyrazol,
smp. 101°C (methanol)
4- [4- (4-klorfenyl)-1-fenyl-3-pyrazblylthioacetyl]-morfolin, smp. 205°C (dioxan)..
Eksempel 7
En oppløsning av 2 g 4-(4-klorfenyl)-1-(4-fluorfenyl)-3-pyrazol-eddiksyre (fremstilt ifølge eksempel 2) i 30 ml dimethylformamid tilsettes en oppløsning av 600 mg kobber(II)-acetat i 35 ml dimethylformamid og omrøres i 8 timer ved værelsetemperatur. Efter avdestillering av oppløsnings-midlet i vakuum oppløses det oljeaktige residuum i aceton, og residuet frafiltreres. Efter fordampning av acetonet krystalliseres saltresiduet fra methanol. Man får 1,7 g 4-(4-klorfenyl)-1-(4-fluorfenyl)-3-pyrazoleddiksyre-kobber(II)-salt-monohydrat med smp. 171°C.
Eksempel 8
Analogt med eksempel 1 fremstilles 1,4-bis-(4-fluor-fenyl) -3-pyrazol-eddiksyre (smp. 116°C fra tetraklormethan).
Eksempel 9
Analogt med eksempel 1 fremstilles 4-(2,4-diklorfenyl)-1-(4-f luorf enyl)-3-pyrazoleddiksyre ..(smp. 133°C fra toluen).
Eksempel 10
Analogt med eksempel 1 fremstilles 1-(2-fluorfenyl)-4-(4-nitrofenyl)-3-pyrazol-eddiksyre (smp. 208°C fra eddiksyre-ethylester).
Eksempel 11
Analogt med eksempel 1 fremstilles 4-(4-klorfenyl)-1-(2-fluorfenyl)-3-pyrazol-eddiksyre (smp. 187°C fra eddiksyre-ethylester).
Eksempel 12
Analogt med eksempel 1 fremstilles 1-(4-fluorfenyl)-4-(4-nitrofenyl)-3-pyrazol-eddiksyre (smp. 254°C fra aceto-
4- • nitril).
Eksempel 13
Analogt med eksempel 1 fremstilles 4-(3,4-diklorfenyl)-1-(4-fluorfenyl)-3-pyrazol-eddiksyre (smp. 178°C fra toluen).
Claims (1)
- Fremgangsmåte ved fremstilling av pyrazolderivater med - den generelle formel:hvor R^ , R2, R^ og R^ er substituenter i ortho-, meta- eller, para-stilling og er hydrogen, halogen, alkyl, alkoxy, trifluormethyl, nitro, amino, alkylthio eller alkylsulfonyl, idet minst én av substituentene R.^ til R^ er forskjellig fra hydrogen,. og deres salter med fysiologisk godtagbare baser, karakterisert ved at en forbindelse med formelen:hvor , . R2 , R-j og R^ er som ovenfor, angitt, omsettes mod svovel og et amin med den generelle formel: hvor R^ og Rg sammen danner en tetramethylengruppe, en penta-methylengruppe eller, en ethoxyethylengruppe, eller hvor R,, er hydrogen eller alkyl med 1 - 4 carbonatomer, og R, er alkyl med 1 - 4 carbonatomer, fenyl eller pyridyl, og at den erholdte forbindelse med den generelle formel: hvor R^ til Rg er som ovenfor angitt, hydrolyseres ved hjelp av syrer eller baser, og de erholdte syrer eventuelt over-føres til deres salter.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792920941 DE2920941A1 (de) | 1979-05-21 | 1979-05-21 | Verfahren zur herstellung von pyrazol- derivaten |
Publications (1)
Publication Number | Publication Date |
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NO801496L true NO801496L (no) | 1980-11-24 |
Family
ID=6071550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO801496A NO801496L (no) | 1979-05-21 | 1980-05-20 | Fremgangsmaate ved fremstilling av pyrazolderivater |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2920941A1 (no) |
DK (1) | DK151626C (no) |
FI (1) | FI77655C (no) |
GR (1) | GR68455B (no) |
HU (1) | HU185383B (no) |
NO (1) | NO801496L (no) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE748539C (de) * | 1941-01-16 | 1944-11-06 | Verfahren zur Herstellung der Amide heterocyclich substituierter Essigsaeuren bzw. der freien Saeuren |
-
1979
- 1979-05-21 DE DE19792920941 patent/DE2920941A1/de not_active Withdrawn
-
1980
- 1980-05-19 GR GR61980A patent/GR68455B/el unknown
- 1980-05-20 DK DK219180A patent/DK151626C/da not_active IP Right Cessation
- 1980-05-20 NO NO801496A patent/NO801496L/no unknown
- 1980-05-20 HU HU801259A patent/HU185383B/hu unknown
- 1980-05-21 FI FI801639A patent/FI77655C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI77655B (fi) | 1988-12-30 |
DE2920941A1 (de) | 1980-11-27 |
DK151626C (da) | 1988-07-18 |
FI77655C (fi) | 1989-04-10 |
HU185383B (en) | 1985-01-28 |
DK219180A (da) | 1980-11-22 |
FI801639A (fi) | 1980-11-22 |
DK151626B (da) | 1987-12-21 |
GR68455B (no) | 1981-12-30 |
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