摘要:
The reduction of aroamtic imines prepared from (S)-Ile-(S)-Ile-OMe. (S)-Val-(S)-Val-OMe, and (S)-Val-(S)-Val-(S)-Val-OMe with Zn-MsOH in THF gave C-2-symmetric (R,R)-diamines in high yields and stereoselectivities. (c) 2008 Elsevier Ltd. All rights reserved.