One‐Pot Preparation of C
<sub>1</sub>
‐Homologated Aliphatic Nitriles from Aldehydes through a Wittig Reaction under Metal‐Cyanide‐Free Conditions
作者:Masatoshi Ezawa、Hideo Togo
DOI:10.1002/ejoc.201700277
日期:2017.4.26
A one-pot protocol to obtain C1-homologated aliphatic nitriles was achieved by treating aromatic and aliphatic aldehydes with the (methoxymethyl)triphenylphosphonium ylide followed by hydrolysis of the resulting methyl vinyl ethers with pTsOH (Ts = para-toluenesulfonyl) and treatment with molecular iodine and aqueous ammonia under metal cyanide free conditions. Neopentyl-type nitriles, which could
通过用(甲氧基甲基)三苯基鏻叶立德处理芳香族和脂肪族醛,然后用 pTsOH(Ts = 对甲苯磺酰基)水解所得甲基乙烯基醚并用分子碘处理,实现了获得 C1 同系脂肪腈的一锅法和氨水在无金属氰化物条件下。使用本方法成功地获得了新戊基型腈,这些方法不能通过将新戊醇转化为甲苯磺酸盐并用金属氰化物处理的常规方法获得。