A Facile One-pot Synthesis of<i>α</i>-Halo,<i>α</i>-allylic Aldehydes from<i>α</i>,<i>α</i>-Dihalo Ketones Utilizing Allylic Zinc Bromide
作者:Xiaolei Wang、Songlin Zhang
DOI:10.1002/cjoc.201180466
日期:2012.1
An efficient synthesis of various α‐halo,α‐allylic aldehydes from α,α‐dihalo ketones using both cyclic (3‐bromocyclohex‐1‐ene zinc bromide and (Z)‐3‐bromocyclobut‐1‐ene zinc bromide) and acyclic (allylzinc bromide and cinnamylzinc bromide) type of allylic organozinc bromide with DMF as base is described. A possible reaction mechanism is also proposed.
使用环状(3-溴环己基-1-烯溴化锌和(Z)-3-溴环丁-1-烯溴化锌)和非环状化合物从α,α-二卤代酮高效合成各种α-卤代,α-烯丙基醛描述了以DMF为碱的(烯丙基溴化锌和肉桂基溴化锌)型烯丙基有机溴化锌。还提出了可能的反应机理。