The n-Butylthiomethylene Blocking Group1

RE Ireland, JA Marshall

Index: Ireland; Marshall Journal of the American Chemical Society, 1959 , vol. 81, p. 6336 Journal of Organic Chemistry, 1962 , vol. 27, p. 1615,1618

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Citation Number: 109

Abstract

In considering approaches to the total synthesis product. Such a general scheme has not only of polycyclic natural products, such as the di-and been successful in our hands4v5 but has also led to triterpenes, we adopted a~ lan3-~ that would the syntheses of cy- onocerin,'olean-1 1, 12; 13) 18-construct first the A/B ring system, which could diene,'and pentacyclosqualene8 by other workers. then be elaborated further to the desired end ...