Synthesis of 15-Cyano-12-oxopentadecano-15-lactone and 15-Cyano- 12-oxopentadecano-15-lactam
作者:Peng Wu、Xiao-Mei Liang、Jian-Jun Zhang、Yue-Mei Jia、Yan-Hong Dong、Jia-Xing Huang、Fu-Heng Chen、Dao-Quan Wang
DOI:10.1002/hlca.200900114
日期:2009.12
15‐Cyano‐12‐oxopentadecano‐15‐lactone was synthesized in 59% total yield starting from 2‐nitrocyclododecanone by Michael addition to acrylaldehyde, followed by reaction with trimethylsilylcyanide, hydrolysis, ring‐expansion, and Nef reaction. A two‐step, one‐pot synthesis of intermediate 2‐hydroxy‐4‐(1‐nitro‐2‐oxycyclododecyl)butanenitrile from 3‐(1‐nitro‐2‐oxocyclododecyl)propanal was developed and
从2-硝基环十二烷酮开始,通过将迈克尔加成丙烯醛,然后与三甲基甲硅烷基氰化物反应,水解,扩环和Nef反应,可合成15-氰基-12-氧杂十二烷-15-内酯,其总收率为59%。开发了由3-(1-硝基-2-氧代环十二烷基)丙醛分两步一步合成中间体2-羟基-4-(1-硝基-2-氧环十二烷基)丁腈的方法,Nef反应的条件为研究过。15-氰基-12-氧杂十二烷-15-内酰胺的合成产率为40%,从2-硝基环十二烷酮开始,通过迈克尔加成丙烯醛,然后进行Strecker反应,环扩环和Nef反应。的条件研究了Strecker和Nef反应。目标化合物,中间体和副产物的结构通过IR,1 H和13 C-NMR以及元素分析或MS进行表征。