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| CAS号 : | 20320-59-6 |
精确质量 : | 278.11500 |
| 分子式 : | C15H18O5 |
logP : | 1.54060 |
| 分子量 : | 278.30000 |
PSA : | 69.67000 |
苯乙酰丙二酸二乙酯 | |
diethyl 2-(2-phenylacetyl)propanedioate | |
20320-59-6 | |
C15H18O5 | |
278.30000 | |
69.67000 | |
1.54060 | |
278.11500 |
|
2918300090
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品名, 成分含量, 用途 |
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2918300090 其他含醛基或酮基不含其他含氧基羧酸（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:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0% |
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2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
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2918300090. Other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives. General tariff: |
将邻苯二甲酸二乙酯和金属钠共蒸的无水乙醇,滴加到丙二酸二乙酯、四氯化碳和镁的混合物中,加热使反应开始,控制温度使反应平缓。然后加入无水乙醚,加热1h,将苯乙酰氯的乙醚溶液加入(缓缓加入,不使反应过于激烈)。反应毕,冷却加水,分出油层,减压蒸去乙醚,得苯乙酰丙二酸二乙酯。 | |
有机合成中间体。 |
