Synlett

Synthesis of 2H-1-benzopyrans by Pd-catalyzed cyclization of o-allylic phenols

RC Larock, L Wei, TR Hightower

Index: Larock, Richard C.; Wei, Lulin; Hightower, Timothy R. Synlett, 1998 , # 5 p. 522 - 524

Full Text: HTML

Citation Number: 34

Abstract

Derivatives of 2H-1-benzopyran (1), also known as chromenes, are prominent natural products of many genera of the Asteraceae possessing a wide range of valuable physiological activities. 1 They are also useful intermediates in the synthesis of complex natural products, such as pterocarpans. 2