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Concise, Improved Procedure for the Synthesis of Brassinolide and Some Novel Side-Chain Analogues

✍ Scribed by Back, Thomas G.; Baron, Denise L.; Luo, Weide; Nakajima, Suanne K.


Book ID
121324835
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
153 KB
Volume
62
Category
Article
ISSN
0022-3263

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A concise and stereoselective synthesis
✍ Lizeng Peng; Yulin Li; WeidongZ Li πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 French βš– 133 KB

A stereoselective synthesis of brassinolide, which involves construction of the side chain by highly stereoselective aldol reaction of 20S-6b-methoxy-3a,5-cyclo-5a-pregnane-20-carboxadehyde 5 with the anion of a-silyloxy ketone 6 is described.