Stereocontrolled construction of ABC [6.6. 6] tricycle via transannular Diels-Alder reaction of 14-membered triene macrocycle

…, YC Xu, P Deslongchamps

Index: Caussanel, Franck; Deslongchamps, Pierre; Dory, Yves L. Organic Letters, 2003 , vol. 5, # 25 p. 4799 - 4802

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Citation Number: 4

Abstract

The synthesis of the four acyclic trienes 11 a, b and 20 a, b is reported. The tandem macrocyclization and stereoselective transannular Diels-Alder reaction of acyclic trienes 11 b (trans-trans-cis) and 20 b (trans-trans-trans) were observed in the presence of Cs2CO3 at