105539-50-2Relevant articles and documents
Expeditious Synthesis of the Polypropionate Sector of Rifamicyn S by Reiterative Diene-Aldehyde Cyclocondensation Reactions
Danishefsky, Samuel J.,Myles, David C.,Harvey, Daniel F.
, p. 862 - 867 (1987)
Two Lewis acid catalyzed cyclocondensation reactions of activated dienes with β-oxygenated aldehydes are used in a rapid synthesis of the C19-C29 polypropionate sector of rifamycin S.Both processes occur with essentially perfect diastereofacial selectivit