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(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate

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Origin: China

Cas No: 80937-23-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 80937-23-1 Formula: C14H16O5 Molecular Weight: 264.27400

Basic Info

Chemical 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; (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;
CAS No.	80937-23-1
Molecular Formula	C14H16O5
Molecular Weight	264.27400
PSA	61.83000
LogP	2.00580

Properties

Density	1.138g/cm3
Boiling Point	393.2ºC at 760 mmHg
Melting Point	87.0-91.0ºC
Flash Point	208.2ºC
Refractive Index	1.515

Safety Info

HS Code	2918990090

Synthesis Route

maleic anhydride+1,2-Dimethoxybenzene→(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate
ethyl (E)-4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate→(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate
maleic anhydride+1,2-Dimethoxybenzene→(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate+(2E)-4-(4-Hydroxy-3-methoxyphenyl)-4-oxo-2-butenoic acid

Precursor

1,2-Dimethoxybenzene
Glyoxylic acid monohydrate
ethyl (E)-4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate
maleic anhydride

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