Tetrahedron Letters p. 8157 - 8162 (2000)
Update date:2022-08-02
Topics: Synthesis Ring closing metathesis Piperidine Pyrrolidine Enantiopure
Kumareswaran
Balasubramanian
Hassner
The additions of lithiated allylsulfone carbanion to chiral N-sulfinylimines were found to proceed with good to excellent selectivity. The resulting intermediates 4a-d after transformation to dienylamides 7a-d and 16a-d, were converted to functionalized enantiopure piperidines and pyrrolines, respectively, via ring closing metathesis (RCM). (C) 2000 Elsevier Science Ltd.
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