Kinetic resolutions and enantioselective transformations of 5-(acyloxy) pyrrolinones using Candida antarctica lipase B: synthetic and structural aspects
…, MLCE Kouwijzer, PDJ Grootenhuis…
Index: Cuiper, Agnes D.; Kouwijzer, Milou L. C. E.; Grootenhuis, Peter D. J.; Kellogg, Richard M.; Feringa, Ben L. Journal of Organic Chemistry, 1999 , vol. 64, # 26 p. 9529 - 9537
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Citation Number: 26
Abstract
Various 5-(acyloxy) pyrrolinones have been prepared in enantiomerically pure form by means of an enzymatic resolution or an asymmetric transformation. Either enantiomer is obtained using the same enzyme, Candida antarctica lipase B, by modification of the procedure from transesterification to esterification. N-Acyl-5-(acyloxy) pyrrolinones 1 (R2= acyl) are synthesized by applying this method with 100% yield and> 99% ee. To ...
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