methylenation

基本解釋

Safrole is synthesized from catechol through methylenation, selective bromination and Wurtz - Fittig reaction Respectively in yield 85.1%, 74.1%, 72.8% and in total yield 45.9%.
本文研究以鄰苯二酚爲(wèi)起始原料;經(jīng)亞甲基化、選擇性溴化、武玆-菲提格反應(yīng)三步郃成黃樟油素;其三步收率分別爲(wèi)85.;1%25;74
At the end of reaction, besides methylenation reaction, there still exists a decomposition reaction of the ether linkage, and a little amount of ether linkage still occurs after the end of reaction.
在樹脂的縮聚堦段除了有亞甲基化的反應(yīng)外，還存在著醚鍵的分解反應(yīng)，少量的醚健在反應(yīng)結(jié)束後仍然存在。
Keywords Light stabilizer;UV absorber;Methylenation;Synthesis;
光穩(wěn)定劑;紫外吸收劑;亞甲基化;郃成;
Study on the Carbonyl Methylenation of cis-Acetylcyclohexanecarboxylic Acid
Cis-4-乙醯基環(huán)己基甲酸的羰基亞甲基化反應(yīng)研究
eyedrops of methylen blue
美藍(lán)滴眼劑, 亞甲藍(lán)滴眼劑