Generation and Cycloaddition Behavior of Spirocyclic Carbonyl Ylides. Application to the Synthesis of the Pterosin Family of Sesquiterpenes

A Padwa, EA Curtis…

Index: Journal of Organic Chemistry, , vol. 61, # 1 p. 73 - 81

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Citation Number: 76

Abstract

... The Journal of Organic Chemistry. ... dd, 1H, J = 15 and 1.4 Hz), 2.92 (dd, 1H, J = 15 and 6.0 Hz), and 4.65 (dd, 1H, J = 6.0 and 1.4 Hz); minor isomer δ 1.02 (m, 1H), 1.30−1.42 (m, 3H), 1.57 (s, 3H), 2.40 (d, 1H, J = 15 Hz), 3.27 (dd, 1H, J = 15 and 7 Hz), and 4.60 (d, 1H, J = 7 Hz ...