Exploiting π shielding interactions in a η6 arene-complexed chiral auxiliary
摘要:
The origin of asymmetric induction in a chiral auxiliary derived from isomannide was probed using a series of eta(6) arene chromium carbonyl complexes. Diastereoselectivity as high as 99% was attainable, and subsequent spectroscopic analysis shed light on the role of pi-pi interactions. (C) 2000 Elsevier Science Ltd, All rights reserved.