Journal of the American Chemical Society

Palladium catalyzed kinetic and dynamic kinetic asymmetric transformations of γ-acyloxybutenolides. Enantioselective total synthesis of (+)-aflatoxin B1 and B2a

BM Trost, FD Toste

Index: Wilen, Samuel H.; Shen, DeKang; Licata, Joseph M.; Baldwin, Enoch; Russell, Charlotte S. Heterocycles, 1984 , vol. 22, # 8 p. 1747 - 1757

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Citation Number: 85

Abstract

... addition, the reaction concentration of butenolide 3 was increased from 0.1 M to 0.5 M. Indeed, with ... 8, 10% Et 3 B, O 2 , (TMS) 3 SiH, C 6 H 6 , rt, 15% 20a. ... 7 This comparison established the stereochemistry of aryl ether 20b as (S). The stereochemistry of the remaining aryl ethers ...