Stereoselective synthesis of electrophilic spirocyclopropanes in ionic liquids
摘要:
The reaction of beta -oxosulfides of benzothiazole with Michael accepters, in liquid tetrabutylammonium bromide and sodium bicarbonate as base, allows a stereoselective synthesis of spirocyclopropanes. (C) 2000 Elsevier Science Ltd. All rights reserved.
A Facile Synthesis of Bicyclo[4,1, O]Heptan-2-ones by Telluronium Ylides
作者:Xia Guo、Wenbin Shen、Jianguo Shao、Qi Zhong
DOI:10.1080/00397910008086967
日期:2000.9
Abstract The cyclopropanation reaction of cyclohexenones with telluroniumylides was studied. The products were proved to be the derivatives of bicyclo[4, 1, 0]heptan-2-one.