Tetrahedron letters

Synthesis of an azulene lactone by an intramolecular [6+ 4] cycloaddition

YN Gupta, RT Patterson, AZ Bimanand, KN Houk

Index: Gupta, Y. N.; Patterson, R. T.; Bimanand, A. Z.; Houk, K. N. Tetrahedron Letters, 1986 , vol. 27, # 3 p. 295 - 298

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Citation Number: 7

Abstract

... SYNTHESIS OF AN AZULENE LACTONE BY AN INTRAMOLECULAR [6+4] CYCLOADDITION YN Gupta, RT Patterson, AZ Bimanand, and KN Houk* Department of Chemistry, University of Pittsburgh Pittsburgh, Pennsylvania 15260 ... ONa LY 3 The 6-fulvenyl 2,2-dimethyl-3,5-hexadienoate, 3, was prepared in 29% overall yield from sorbic acid, 1, by the route shown above. The acid chloride, 2, was prepared by methylation of sorbic acid with LDA and 295 ...