NDLI: Nitrogen Substituent-Dependent Asymmetric Staudinger Reactions

Content Provider	Scilit
Author	Bergin, E. Shih, C.
Editor	Lee, E. C. Hodous, B. L. Fu, G. C.
Copyright Year	2005
Description	While catalytic asymmetric synthesis of cis-β-lactams have been reported, the highly trans-selective version has yet to be realized. The use of the planar chiral catalyst with N-tosyl imines gave cis-products, while the use of N-triflyl imines afforded predominantly trans-products. The trans-products were obtained in good yields with excellent diastereo- and enantioselectivities. The utility of the resulting trans-β-lactams was shown by one-step conversion to useful compounds such as γ-amino alcohols, β-amino acids, and β-amino amides.
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-2005-916108.pdf
Ending Page	0221
Page Count	1
Starting Page	0221
ISSN	18611958
e-ISSN	1861194X
DOI	10.1055/s-2005-916108
Journal	Synfacts
Issue Number	02
Volume Number	2005
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	2005-10-21
Access Restriction	Open
Subject Keyword	Journal: Synfacts Organic Chemistry Β Lactams Em Class Β Amino
Content Type	Text
Resource Type	Article

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Nitrogen Substituent-Dependent Asymmetric Staudinger Reactions