80937-23-1

80937-23-1 structure

Name	(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate
Synonyms	(E)Ethyl4-(3,4-dimethoxyphenyl 3-(3,4-dimethoxybenzoyl)acrylic acid (E)4-(3,4-dimethyoxyphenyl)-4-oxo-2-butenoate 4-(3,4-dimethoxyphenyl)-4-oxocrotonic acid 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoic acid (E)-4-(3,4-dimethoxyphenyl)-4-oxocrotonic acid ethyl aster MFCD08458864 (E)-4-(3,4-Dimethoxyphenyl)-4-oxo-2-butenoic acid Ethyl 4-(3,4-dimethoxyphenyl)-4-oxycrotonate 4-Oxo-4-(3.4-dimethoxy-phenyl)-trans-crotonsaeure VAC (E)Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate (VAC) (E)ETHYL 4-(3,4-DIMETHOXYPHENYL)-4-OXO-2-BUTENOATE (E)-ethyl 4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate 4-oxo-4-(3.4-dimethoxy-phenyl)-trans-crotonic acid EINECS 279-631-0

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FRXXBL French Demande Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #2481118

HS Code	2918990090

108-31-6

91-16-7

~61%

80937-23-1

Literature: Sankio Chemical Co., Ltd.; Meiji Seika Kaisha, Ltd. Patent: EP1505054 A1, 2005 ; Location in patent: Page/Page column 9-11 ;

89781-43-1

80937-23-1

Literature: EP1505054 A1, ; Page/Page column 24 ;

108-31-6

91-16-7

~29%

80937-23-1

86690-98-4

Literature: Chemistry Letters, , vol. 35, # 1 p. 22 - 23

91-16-7

80937-23-1

Literature: US4594197 A1, ;

1131-62-0

563-96-2

~47%

80937-23-1

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%