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Asymmetric and diastereoselective Mannich reactions using hydantoin as a chiral auxiliary

✍ Scribed by Xuan-Ran Li; Cui-Fen Lu; Zu-Xing Chen; Yan Li; Gui-Chun Yang

Book ID
119375888
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
500 KB
Volume
23
Category
Article
ISSN
0957-4166

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Pyrrolidinopiperazinedione as chiral aux
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✍ F. Guenoun; T. Zair; F. Lamaty; M. Pierrot; R. Lazaro; P. Viallefont πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 French βš– 226 KB

Functionalised diketopiperazmes (DKPs) are easily obtained optically pure by disymmetrization ofa mesopyrrolidine and can be easily converted to an m-amino amine containing compound. As a fast example, one of the new chiral auxiliaries has been used to prepare an optically pure l-amino ester through