A stereoselective C7nC5x free-radical cascade route to optically pure and potentially useful tetracyclic amines
作者:Faiz Ahmed Khan、Sarasij K. Upadhyay
DOI:10.1016/j.tetlet.2008.08.013
日期:2008.10
Nucleophilic racemic amines have been synthesized utilizing a (CC5x)-C-7n free-radical cascade reaction from a bis-allyl amine starting material. Being potentially useful organocatalytic bases as is evident from their screening in the Baylis-Hillman reaction, optically pure amines were also synthesized from optically pure aldehydes (-) or (+)-4. Bis-allyl amides under similar radical reaction condition resulted in C-7n cyclized products. (C) 2008 Elsevier Ltd. All rights reserved.