Metal promoted cyclization. 18. Novel cyclialkylation reactions of (.omega.-halo-1-alkenyl)metal derivatives. Synthetic scope and mechanism
作者:Eiichi. Negishi、Larry D. Boardman、Hiroyuki. Sawada、Vahid. Bagheri、A. Timothy. Stoll、James M. Tour、Cynthia L. Rand
DOI:10.1021/ja00224a025
日期:1988.8
Cyclisation d'(ω-halogenoalcene-1yl) M et d'([ω-halogeno trimethylsilyl-1] alcene-1yl) M en cyclenes (M=aluminium, zinc, zirconium, ou silicium)
环化 d'(ω-halogenoalcene-1yl) M et d'([ω-halogeno trimethylsilyl-1] alcene-1yl) M 环烯(M = 铝、锌、锆、硅)
The Reaction of Organoboranes with Lithium Salts of Trisylhydrazones of Cycloalkanones Followed by Treatment with Iodine
作者:Tsutomu Baba、Kamlakar Avasthi、Akira Suzuki
DOI:10.1246/bcsj.56.1571
日期:1983.5
The titled reaction proceeds smoothly under mild conditions to give corresponding 1-alkylcycloalkenes in excellent yields. The overall reaction provides a convenient synthetic procedure of cycloalkenes for cycloalkanones, with various alkyl substituents readily available by means of hydrobortation.