Synthesis of 2t-Substituted-1r,3c-BIS(2′-Hydroxy-5-Substituted-Benzyl)-Imidazolidines by Reaction of 1,3-BIS(2′-Hydroxy-5′-Substituted-Benzyl)-Imidazolidines with Aromatic Aldehydes
摘要:
A one-step synthesis of 2t-substituted-1r,3c-bis(2'-hydroxy-5'-substituted-benzyl)-imidazolidines from 1,3-bis(2'-hydroxy-5'-substituted-benzyl)-imidazolidines and aromatic aldehydes is reported. The relative stereochemistry of the five-membered ring was evident from H-1 NMR measurements combined with MMX calculations.