| 释义 |
1 ?甲酰化反应 ... 烯烃;olefins;alkenes 甲酰化反应;formylation 残液;釜液;residue ... 2 [有化]?甲酰化 取代环戊二烯基负离子的二茂铁甲酰化反应_stmopen 关键词】: 二茂铁 环戊二烯基 甲酰化 负离子 [gap=368]Keywords】: FERROCENE,CYCLOPENTADIENYL GROUP,FORMYLATION,ANIONS 3 ?甲醛化 ...睯O 睯2 睯C 睯O 睯r 睯 e 睯 d 睯 u 睯 c 睯 a 睯 t 睯 i 睯 o 睯 n 睯H 睯O 睯2 睯C 睯O 睯H 睯+ 睯 3） 甲醛化（Formylation）+NPhCMeHOPOCl3ArCHO + PhNHMe机理:睯Z 睯N 睯P 睯 h 睯C 睯M 睯e 睯H 睯O 睯P 睯 O 睯C 睯 l 睯 3 睯N 睯P 睯 h 睯C 睯M 睯e 睯...
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Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group. 方法采用对硝基苯胺为原料，经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。 - 2
Also the optimum reaction conditions including formylation, method and reaction time of cyclization were studied to enhance the yield. In the end, their fluorescence spectrum are analyzed. 同时对反应过程中的甲酰化、环合方法、反应时间进行了探讨，优化了反应条件，提高了产率，并对化合物的荧光光谱进行了分析。
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