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Concise synthesis of two advanced intermediates for the asymmetric synthesis of polyhydroxylated indolizidine alkaloids

โœ Scribed by Xiao Zheng; WenFang Zhu; PeiQiang Huang

Book ID
107349200
Publisher
SP Science China Press
Year
2010
Tongue
English
Weight
538 KB
Volume
53
Category
Article
ISSN
1674-7291

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A concise asymmetric synthesis of 5,8-di
A concise asymmetric synthesis of 5,8-disubstituted indolizidine alkaloids. Total synthesis of (โˆ’)-indolizidine 209B
โœ Yongcheng Song; Sentaro Okamoto; Fumie Sato ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 112 KB

A general access to 5,8-disubstituted indolizidine alkaloids has been developed, where the asymmetric addition of an optically active allenyltitanium to benzyl[4-(tert-butyldimethylsilyloxy)butylidene]amine (2) is the key reaction. As a typical example, (-)-indolizidine 209B was efficiently synthesi