Synthetic studies of an 18-membered antitumor macrolide, tedanolide. 5. Stereoselective synthesis of the C13 - C23 part via condensation of two fragments, C13 - C17 and C18 - C21, by taking advantage of the 3,4- dimethoxybenzyl protecting group

Article abstract of DOI:10.1248/cpb.47.1288

An efficient and stereoselective synthesis of the C13 - C23 part (8) was achieved starting from methyl (R) - and (S)-3-hydroxy-2-methylpropionates (9) via coupling of the C13 - C17 aldehyde (6), prepared by Evans asymmetric aldol reaction, with the C18 - C21 iodoalkene (5b) by taking advantage of the 3,4-dimethoxybenzyl protecting group.

Full text of DOI:10.1248/cpb.47.1288

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