Tetrahedron

Tandem annulation strategy for the convergent synthesis of benzonaphthopyranones: total synthesis of chartarin and O-methylhayumicinone

S Ray, A Patra, D Mal

Index: Tetrahedron, , vol. 64, # 14 p. 3253 - 3267

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Citation Number: 12

Abstract

... Tetrahedron. Volume 64, Issue 14, 31 March 2008, Pages 3253–3267. ... The tandem strategy was first examined with the cinnamate 14, 13 prepared in two steps from o-tolualdehyde by Wittig reaction with Ph 3 P CHCO 2 Et followed by benzylic bromination (NBS/Bz 2 O 2 , heat). ...