Tetrahedron letters

Synthetic connections to the aromatic directed metalation reaction. Radical-induced cyclization to substituted benzofurans, benzopyrans, and furopyridines

K Shankaran, CP Sloan, V Snieckus

Index: Shankaran, K.; Sloan, C. P.; Snieckus, V. Tetrahedron Letters, 1985 , vol. 26, # 49 p. 6001 - 6004

Full Text: HTML

Citation Number: 64

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The -iodoaryl allyl ethers 2, derived from 1 via the aromatic directed metalation protocol, undergo tributyl tin hydride-induced heteroring annelation to lead to unusually substituted benzofuran (3) and benzopyran, and furopyridine derivatives (Table). ... -BuLi/TMEDA/Et 2 O/−78°C; ...