Abstract
Sumalactone A, a 10-membered Benzannulated macrolactone, was synthesised in a straightforward and efficient stereoselective manner using affordable and readily accessible starting materials. The main steps in this convergent synthesis are Vilsmeier-Haack formylation, Grignard reaction, alkylation of 1,3-dithiane and Yamaguchi macrolactonization.
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