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Spatial structure ofα-halogen-substituted sulfones

✍ Scribed by G. G. Bumenko; A. N. Vereshchagin; L. S. Lyakisheva

Book ID
112536204
Publisher
Springer
Year
1981
Tongue
English
Weight
271 KB
Volume
30
Category
Article
ISSN
1573-9171

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The aza-Michael addition of enantiopure 1-aminopyrrolidines to (E)-alkenyl sulfones in the presence of a catalytic amount of ytterbium trifluoromethanesulfonate [Yb(OTf) 3 ] yields β-hydrazino sulfones in moderate to good yields and with diastereoselectivities of up to 98%. The latter undergo reduct