Efficient 4,5-dihydro-1H-imidazol-5-one formation from amidines and ketones under transition-metal free conditions
作者:Yanjun Xie、Xiufang Cheng、Saiwen Liu、Hui Chen、Wang Zhou、Luo Yang、Guo-Jun Deng
DOI:10.1039/c4gc01515k
日期:——
An efficient procedure for 4,5-dihydro-1H-imidazol-5-one preparation from aryl amidines and ketonesunder transition-metal free conditions is described. When cyclic ketones were employed, various spiro-fused 4,5-dihydro-1H-imidazol-5-ones were formed in high yields via rearrangement reaction.