Tetrahedron Letters p. 7779 - 7782 (1999)
Update date:2022-08-02
Topics:
Millot, Nicolas
Knochel, Paul
Highly substituted cyclic allylzinc reagents 2 have been prepared by fragmentation of sterically hindered homoallylic zinc alcoholates 1. Their reactions with aldehydes proceed under mild conditions and are highly stereoselective (64-86% ; d.r. up to >98/2). Examples of acylation with benzonitrile and zinc-ene cyclization giving new spirobicyclic zinc reagents are also reported.
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