The first enantioselective total syntheses of the allopumiliotoxin A alkaloids 267A and 339B
…, LE Overman, MH Rabinowitz
Index: Goldstein, Steven W.; Overmann, Larry E.; Rabinowitz, Michael H. Journal of Organic Chemistry, 1992 , vol. 57, # 4 p. 1179 - 1190
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Citation Number: 79
Abstract
Short, highly stereocontrolled, asymmetric total syntheses of the title amphibian alkaloids are described. In the first stage the indolizidine ketone 11 is assembled from L-proline in enantiomerically pure form. This short sequence proceeds in five laboratory operations and involves the novel intermediacy of an" unprotected" 2-acylpyrrolidine intermediate (Scheme VII). The (2)-alkylidene side chain of the target alkaloids are introduced by ...
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The first enantioselective total syntheses of the allopumiliotoxin A alkaloids 267A and 339B
[Journal of Organic Chemistry, , vol. 57, # 4 p. 1179 - 1190]