Organic Letters p. 4160 - 4163 (2010)
Update date:2022-08-05
Topics:
Palimkar, Sanjay S.
Uenishi, Junichi
A convergent total synthesis of (-)-apicularen A, a highly cytostatic 12-membered macrolide, has been accomplished. The key steps include assembling of iodoalkene 8 and aldehyde 9 by Nozaki-Hiyama-Kishi (NHK) coupling, stereospecific construction of 2,6-trans-disubstituted dihydropyran by Pd(II)-catalyzed 1,3-chirality transfer reaction, and Yamaguchi macrolactonization. Introduction of the (2Z,4Z)-heptadienamide moiety in the side chain by an efficient Cu(I)-mediated coupling completed the total synthesis.
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