A. Hallberg, P. Pedaja
1983
Citations
0
Influential Citations
5
Citations
Journal
Tetrahedron
Abstract
Abstract The syntheses of 10H-benzo[4,5]cyclohepta[2, 1-b]-thiophen-10-one 10H-benzo[4,5]cyclohepta[2,1-b]selenophen-10-one, and 10H-benzo[4,5]cyclohepta[2, 1-b]furan-10-one(1a-c) by lithiumdiisopropylamide-induced cyclization of (Z)-2-[2-(3-thienyl)-vinyl]benzoic acid, (Z)-2-[2-(3(selenienyl)vinyl]benzoic acid and (Z)-2-[2-(3-furano)vinyl]benzoic acid (2a-c), respectively, are reported.