(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯结构式
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常用名 | (E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯 | 英文名 | (E)Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate |
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CAS号 | 80937-23-1 | 分子量 | 264.27400 | |
密度 | 1.138g/cm3 | 沸点 | 393.2ºC at 760 mmHg | |
分子式 | C14H16O5 | 熔点 | 87.0-91.0ºC | |
MSDS | N/A | 闪点 | 208.2ºC |
用途【用途一】 用作医药中间体 |
中文名 | (E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯 |
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英文名 | (E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate |
中文别名 | (E)4-(3,4-二甲氧基苯基)-4-氧-2-丁烯酸乙酯 | 4-(3,4-二氧基苯基)-4-氧丁烯酸乙酯 | (E)4-二甲氧基苯基-4-氧-2-丁烯酸乙酯 |
英文别名 | 更多 |
密度 | 1.138g/cm3 |
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沸点 | 393.2ºC at 760 mmHg |
熔点 | 87.0-91.0ºC |
分子式 | C14H16O5 |
分子量 | 264.27400 |
闪点 | 208.2ºC |
精确质量 | 264.10000 |
PSA | 61.83000 |
LogP | 2.00580 |
折射率 | 1.515 |
海关编码 | 2918990090 |
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~61% (E)-4-(3,4-二甲氧基... 80937-23-1 |
文献:Sankio Chemical Co., Ltd.; Meiji Seika Kaisha, Ltd. Patent: EP1505054 A1, 2005 ; Location in patent: Page/Page column 9-11 ; |
~% (E)-4-(3,4-二甲氧基... 80937-23-1 |
文献:EP1505054 A1, ; Page/Page column 24 ; |
~29% (E)-4-(3,4-二甲氧基... 80937-23-1 |
文献:Chemistry Letters, , vol. 35, # 1 p. 22 - 23 |
~% (E)-4-(3,4-二甲氧基... 80937-23-1 |
文献:US4594197 A1, ; |
~47% (E)-4-(3,4-二甲氧基... 80937-23-1 |
文献:Bianchi, Mario; Butti, Alina; Christidis, Yani; Perronnet, Jacques; Barzaghi, Fernando; et al. European Journal of Medicinal Chemistry, 1988 , vol. 23, p. 45 - 52 |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
申报要素 | 品名, 成分含量, 用途 |
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% |
(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 |