CH628341A5 - Process for the preparation of thienylpolyenes - Google Patents
Process for the preparation of thienylpolyenes Download PDFInfo
- Publication number
- CH628341A5 CH628341A5 CH1421276A CH1421276A CH628341A5 CH 628341 A5 CH628341 A5 CH 628341A5 CH 1421276 A CH1421276 A CH 1421276A CH 1421276 A CH1421276 A CH 1421276A CH 628341 A5 CH628341 A5 CH 628341A5
- Authority
- CH
- Switzerland
- Prior art keywords
- dimethyl
- methyl
- alkyl
- amino
- lower alkyl
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 15
- -1 2,4,5-trimethyl-3-thenyl Chemical group 0.000 claims description 93
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 90
- 125000000217 alkyl group Chemical group 0.000 claims description 48
- 150000001875 compounds Chemical class 0.000 claims description 40
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 27
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 17
- 239000012312 sodium hydride Substances 0.000 claims description 17
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 16
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 11
- SAOXOQSSGYAUMP-UHFFFAOYSA-N ethyl 3,7-dimethyl-8-oxoocta-2,4,6-trienoate Chemical compound CCOC(=O)C=C(C)C=CC=C(C)C=O SAOXOQSSGYAUMP-UHFFFAOYSA-N 0.000 claims description 11
- 150000004820 halides Chemical class 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 10
- 150000002367 halogens Chemical class 0.000 claims description 10
- 125000004423 acyloxy group Chemical group 0.000 claims description 8
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 239000002585 base Substances 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 6
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 6
- 125000002905 alkanoylamido group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 6
- 125000001589 carboacyl group Chemical group 0.000 claims description 6
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 125000004414 alkyl thio group Chemical group 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 5
- 125000004849 alkoxymethyl group Chemical group 0.000 claims description 4
- KHIVVVPWXLYVTJ-UHFFFAOYSA-N 2,4,5-trimethylthiophene-3-carbaldehyde Chemical compound CC=1SC(C)=C(C=O)C=1C KHIVVVPWXLYVTJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000005042 acyloxymethyl group Chemical group 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 claims description 3
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 1
- 125000006517 heterocyclyl carbonyl group Chemical group 0.000 claims 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 225
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 128
- 239000000243 solution Substances 0.000 description 116
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 103
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 64
- 239000000203 mixture Substances 0.000 description 57
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 51
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 48
- 239000002253 acid Substances 0.000 description 44
- 238000004519 manufacturing process Methods 0.000 description 44
- 239000011541 reaction mixture Substances 0.000 description 42
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 36
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 33
- 125000004494 ethyl ester group Chemical group 0.000 description 33
- 229910052938 sodium sulfate Inorganic materials 0.000 description 33
- 235000011152 sodium sulphate Nutrition 0.000 description 33
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 25
- 239000000725 suspension Substances 0.000 description 23
- 239000005457 ice water Substances 0.000 description 22
- 239000002904 solvent Substances 0.000 description 21
- 238000003756 stirring Methods 0.000 description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 20
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 18
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 18
- 239000007858 starting material Substances 0.000 description 18
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 14
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 14
- 238000001953 recrystallisation Methods 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- 239000012043 crude product Substances 0.000 description 11
- 239000012259 ether extract Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 11
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229960000583 acetic acid Drugs 0.000 description 10
- 238000009835 boiling Methods 0.000 description 10
- 239000002480 mineral oil Substances 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 10
- 150000004714 phosphonium salts Chemical class 0.000 description 10
- 239000000741 silica gel Substances 0.000 description 10
- 229910002027 silica gel Inorganic materials 0.000 description 10
- 235000017557 sodium bicarbonate Nutrition 0.000 description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 10
- 239000002035 hexane extract Substances 0.000 description 9
- 235000010446 mineral oil Nutrition 0.000 description 9
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Divinylene sulfide Natural products C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 8
- 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 8
- 235000011054 acetic acid Nutrition 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 8
- 238000004440 column chromatography Methods 0.000 description 8
- 239000000155 melt Substances 0.000 description 8
- 125000004043 oxo group Chemical group O=* 0.000 description 8
- 239000002244 precipitate Substances 0.000 description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 description 8
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical group OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 7
- 239000000825 pharmaceutical preparation Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- VCFXVSJIZOTHQU-UHFFFAOYSA-N ethyl nona-2,4,6,8-tetraenoate Chemical class CCOC(=O)C=CC=CC=CC=C VCFXVSJIZOTHQU-UHFFFAOYSA-N 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 6
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- AVCVDUDESCZFHJ-UHFFFAOYSA-N triphenylphosphane;hydrochloride Chemical compound [Cl-].C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 AVCVDUDESCZFHJ-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 229910052987 metal hydride Inorganic materials 0.000 description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- 229930192474 thiophene Natural products 0.000 description 5
- CMSYDJVRTHCWFP-UHFFFAOYSA-N triphenylphosphane;hydrobromide Chemical compound Br.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 CMSYDJVRTHCWFP-UHFFFAOYSA-N 0.000 description 5
- KROBDJURDPDOAQ-UHFFFAOYSA-M (2,4-diethyl-5-methylthiophen-3-yl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].S1C(C)=C(CC)C(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1CC KROBDJURDPDOAQ-UHFFFAOYSA-M 0.000 description 4
- NFUNBBBJZYQGSY-UHFFFAOYSA-N (2,4-dimethylthiophen-3-yl)methanol Chemical compound CC1=CSC(C)=C1CO NFUNBBBJZYQGSY-UHFFFAOYSA-N 0.000 description 4
- RCCGZJARVDBOGB-UHFFFAOYSA-M (2,5-dichlorothiophen-3-yl)methyl-triphenylphosphanium;bromide Chemical compound [Br-].S1C(Cl)=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1Cl RCCGZJARVDBOGB-UHFFFAOYSA-M 0.000 description 4
- BOIRJOIPHIQEDI-UHFFFAOYSA-M (2,5-dimethylthiophen-3-yl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].S1C(C)=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1C BOIRJOIPHIQEDI-UHFFFAOYSA-M 0.000 description 4
- PZMDSBBIQRTDRW-UHFFFAOYSA-N (5-methoxy-2,4-dimethylthiophen-3-yl)methanol Chemical compound COC=1SC(C)=C(CO)C=1C PZMDSBBIQRTDRW-UHFFFAOYSA-N 0.000 description 4
- SWCANGGJXROQDY-UHFFFAOYSA-M (5-methoxy-3-methylthiophen-2-yl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].S1C(OC)=CC(C)=C1C[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 SWCANGGJXROQDY-UHFFFAOYSA-M 0.000 description 4
- WLADCPLMVBLPJO-UHFFFAOYSA-N 4-chloro-2-methylbut-2-enal Chemical compound O=CC(C)=CCCl WLADCPLMVBLPJO-UHFFFAOYSA-N 0.000 description 4
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- ZIJOSLUFMCXNHW-VURMDHGXSA-N butyl (z)-3-methyl-4-oxobut-2-enoate Chemical compound CCCCOC(=O)\C=C(\C)C=O ZIJOSLUFMCXNHW-VURMDHGXSA-N 0.000 description 4
- 150000001733 carboxylic acid esters Chemical class 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 239000011630 iodine Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 150000004681 metal hydrides Chemical class 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 4
- 235000019345 sodium thiosulphate Nutrition 0.000 description 4
- GPJWEZYMOGDGED-UHFFFAOYSA-M triphenyl-[(2,4,5-trimethylthiophen-3-yl)methyl]phosphanium;chloride Chemical compound [Cl-].CC1=C(C)SC(C)=C1C[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 GPJWEZYMOGDGED-UHFFFAOYSA-M 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- IVUOHCORVWJMDX-UHFFFAOYSA-N (3,4,5-trimethylthiophen-2-yl)methanol Chemical compound CC=1SC(CO)=C(C)C=1C IVUOHCORVWJMDX-UHFFFAOYSA-N 0.000 description 3
- ICBDSDDTHZQTMU-UHFFFAOYSA-M (3-methyl-4-oxobut-2-enyl)-triphenylphosphanium;chloride Chemical compound [Cl-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(CC=C(C=O)C)C1=CC=CC=C1 ICBDSDDTHZQTMU-UHFFFAOYSA-M 0.000 description 3
- GRUHMNYAAVMZIC-UHFFFAOYSA-M (3-methylthiophen-2-yl)methyl-triphenylphosphanium;bromide Chemical compound [Br-].C1=CSC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1C GRUHMNYAAVMZIC-UHFFFAOYSA-M 0.000 description 3
- FZLVMNAQDCJBLI-UHFFFAOYSA-N (4-bromo-3,5-dimethylthiophen-2-yl)methanol Chemical compound CC=1SC(CO)=C(C)C=1Br FZLVMNAQDCJBLI-UHFFFAOYSA-N 0.000 description 3
- YCLQFSGIKRVIAG-UHFFFAOYSA-M (5-chloro-2,4-dimethylthiophen-3-yl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].S1C(Cl)=C(C)C(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1C YCLQFSGIKRVIAG-UHFFFAOYSA-M 0.000 description 3
- IHNWDHIOZRMYBM-UHFFFAOYSA-N (5-iodo-2,4-dimethylthiophen-3-yl)methanol Chemical compound CC=1SC(I)=C(C)C=1CO IHNWDHIOZRMYBM-UHFFFAOYSA-N 0.000 description 3
- JMJOFUQXFZRXCR-UHFFFAOYSA-N (5-iodo-3-methylthiophen-2-yl)methanol Chemical compound CC=1C=C(I)SC=1CO JMJOFUQXFZRXCR-UHFFFAOYSA-N 0.000 description 3
- XDYAOFBVKSZQGU-UHFFFAOYSA-M (5-methylthiophen-2-yl)methyl-triphenylphosphanium;bromide Chemical compound [Br-].S1C(C)=CC=C1C[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 XDYAOFBVKSZQGU-UHFFFAOYSA-M 0.000 description 3
- LBRDQQPGFNRZGV-UHFFFAOYSA-N 1,1-dimethoxy-2-methylbut-3-en-2-ol Chemical compound COC(OC)C(C)(O)C=C LBRDQQPGFNRZGV-UHFFFAOYSA-N 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- LKXLKRHVNISCBQ-UHFFFAOYSA-N 2,4-dichloro-3-(chloromethyl)-5-methylthiophene Chemical compound CC=1SC(Cl)=C(CCl)C=1Cl LKXLKRHVNISCBQ-UHFFFAOYSA-N 0.000 description 3
- YWFAGBQENUFCPJ-UHFFFAOYSA-N 2,4-dimethylthiophene-3-carbaldehyde Chemical compound CC1=CSC(C)=C1C=O YWFAGBQENUFCPJ-UHFFFAOYSA-N 0.000 description 3
- BZDMATIFRFKLKK-UHFFFAOYSA-N 2-chloro-3,5-dimethylthiophene Chemical compound CC1=CC(C)=C(Cl)S1 BZDMATIFRFKLKK-UHFFFAOYSA-N 0.000 description 3
- ZUKWLVOAASBSNT-UHFFFAOYSA-N 2-chloro-4-(chloromethyl)-3,5-dimethylthiophene Chemical compound CC=1SC(Cl)=C(C)C=1CCl ZUKWLVOAASBSNT-UHFFFAOYSA-N 0.000 description 3
- WOPODIOLCRLEBX-UHFFFAOYSA-N 3,4-dibromo-2-(chloromethyl)-5-methylthiophene Chemical compound CC=1SC(CCl)=C(Br)C=1Br WOPODIOLCRLEBX-UHFFFAOYSA-N 0.000 description 3
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- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 229960001295 tocopherol Drugs 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229940086542 triethylamine Drugs 0.000 description 1
- IIHPVYJPDKJYOU-UHFFFAOYSA-N triphenylcarbethoxymethylenephosphorane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=CC(=O)OCC)C1=CC=CC=C1 IIHPVYJPDKJYOU-UHFFFAOYSA-N 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-O triphenylphosphanium Chemical compound C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-O 0.000 description 1
- 230000004614 tumor growth Effects 0.000 description 1
- 230000001875 tumorinhibitory effect Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 150000004794 vinyl magnesium halides Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000019155 vitamin A Nutrition 0.000 description 1
- 239000011719 vitamin A Substances 0.000 description 1
- 229940045997 vitamin a Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms
- C07F9/655345—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms the sulfur atom being part of a five-membered ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/20—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms
- C07C47/24—Unsaturated compounds having —CHO groups bound to acyclic carbon atoms containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/08—Hydrogen atoms or radicals containing only hydrogen and carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/12—Radicals substituted by halogen atoms or nitro or nitroso radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
- C07D333/16—Radicals substituted by singly bound hetero atoms other than halogen by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/28—Halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/30—Hetero atoms other than halogen
- C07D333/32—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/30—Hetero atoms other than halogen
- C07D333/34—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/42—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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 with nitro or nitroso radicals directly attached to ring carbon atoms
- C07D333/44—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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 with nitro or nitroso radicals directly attached to ring carbon atoms attached in position 5
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63202975A | 1975-11-14 | 1975-11-14 | |
| US05/733,507 US4061656A (en) | 1975-11-14 | 1976-10-18 | Polyene compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH628341A5 true CH628341A5 (en) | 1982-02-26 |
Family
ID=27091531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1421276A CH628341A5 (en) | 1975-11-14 | 1976-11-11 | Process for the preparation of thienylpolyenes |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5278869A (OSRAM) |
| CH (1) | CH628341A5 (OSRAM) |
| DE (1) | DE2651968A1 (OSRAM) |
| FR (1) | FR2331338A1 (OSRAM) |
| GB (1) | GB1560699A (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4171318A (en) * | 1978-08-24 | 1979-10-16 | Hoffmann-La Roche Inc. | Fluorinated polyenes |
| IT1196390B (it) * | 1984-12-28 | 1988-11-16 | Consiglio Nazionale Ricerche | Uso di derivati del tiofene nel trattamento dei tumori,composizioni farmaceutiche che li contengono e composti atti allo scopo |
| EP0510473A1 (en) * | 1991-04-24 | 1992-10-28 | F. Hoffmann-La Roche Ag | Thienyl-nonatetraenoic acid derivatives with anti-rheumatic activity |
| US8236788B2 (en) | 2006-07-24 | 2012-08-07 | Basf Se | Azolylmethyloxiranes, use thereof for controlling plant pathogenic fungi, and agents containing the same |
| ATE524464T1 (de) | 2006-07-25 | 2011-09-15 | Basf Se | Azolylmethyloxirane, ihre verwendung zur bekämpfung von pflanzenpathogenen pilzen sowie sie enthaltende mittel |
| US7994340B2 (en) | 2006-12-22 | 2011-08-09 | Basf Se | Azolylmethyloxiranes, their use for controlling phytopathogenic fungi, and compositions comprising them |
| AU2022349015A1 (en) * | 2021-09-27 | 2024-04-11 | Oregon State University | Thiophene-based lipids |
-
1976
- 1976-10-15 GB GB47457/76A patent/GB1560699A/en not_active Expired
- 1976-11-11 CH CH1421276A patent/CH628341A5/de not_active IP Right Cessation
- 1976-11-12 FR FR7634153A patent/FR2331338A1/fr active Granted
- 1976-11-13 JP JP51135854A patent/JPS5278869A/ja active Granted
- 1976-11-15 DE DE19762651968 patent/DE2651968A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1560699A (en) | 1980-02-06 |
| FR2331338B1 (OSRAM) | 1978-11-17 |
| DE2651968C2 (OSRAM) | 1987-08-20 |
| DE2651968A1 (de) | 1977-05-26 |
| JPS613344B2 (OSRAM) | 1986-01-31 |
| JPS5278869A (en) | 1977-07-02 |
| FR2331338A1 (fr) | 1977-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: F. HOFFMANN-LA ROCHE AG |
|
| PL | Patent ceased | ||
| PL | Patent ceased |