Tetrahedron

An improved synthesis of a polymer-supported distannane and its application to radical formation

J Junggebauer, WP Neumann

Index: Junggebauer, Joerg; Neumann, Wilhelm P. Tetrahedron, 1997 , vol. 53, # 4 p. 1301 - 1310

Full Text: HTML

Citation Number: 30

Abstract

A polymer-supported distannane 1 was prepared by treatment of tin halide resin with lithium naphthalenide or sodium naphthalenide in THF. The content of the polymers 1 was determined to be 0.95 to 1.13 mmol/g tin as ditin. The polymer-supported distannane reagent was successfully applied to radical cyclizations of acyclic α-haloesters to yield γ- butyrolactones.