Conjugate addition of amines to chiral 3-aziridin-2-yl-acrylates
β Scribed by Doo-Ha Yoon; Hyun-Joon Ha; Bong Chan Kim; Won Koo Lee
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- French
- Weight
- 277 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
Conjugate addition of benzylamine to chiral methyl cis-3-aziridin-2-yl-acrylates was successfully proceeded to yield 3-aziridin-2-yl-3-benzylaminopropionates in high yield with high stereoselectivity. The addition products were used for the asymmetric synthesis of vicinal diamine derivatives including 4amino-5-methylpyrrolidin-2-one, 3,4-diaminopentanoate, and 5-chloromethyl-4-alkoxycarbonylmethylimidazolidin-2-one.
π SIMILAR VOLUMES
Nucleophilic conjugate addition of benzylamine to 2-hydroxyalkylpropenoates la-c proceeds in high yield with modest diastereoselection. However, addition of benxylamine to the silyl ether of lc produces only the anti-isomer 2d in high yield Although nucleophilic conjugate additions of amines to 2-su
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