Regiospecific bromination-cyclization of spirocyclic cyclohexanones and its application to the synthesis of (±)-laurencial
作者:Kazuyuki Miyashita、Akira Tanaka、Hiroyuki Shintaku、Chuzo Iwata
DOI:10.1016/s0040-4020(97)10378-7
日期:1998.2
Stereospecific bromination-cyclization of spirocyclic cyclohexanones having an isopropylidenedioxy group was found to proceed under thermodynamically controlled conditions, which was applied to the first synthesis of (+/-)-laurencial and its epimer. (C) 1998 Elsevier Science Ltd. All rights reserved.