Novel cyclization of dimeric dianions of anils or aldehydes with triphosgene: A safe and efficient synthesis of substituted imidazolidin-2-ones and 4,5-diaryl-1,3-dioxolan-2-ones
LOW-VALENT TITANIUM INDUCED CYCLIZATION OF DIMERIC DIANIONS OF ANILS WITH TRIPHOSGENE: A SAFE AND EFFICIENT METHOD FOR THE SYNTHESES OF SUBSTITUTED IMIDAZOLIDINE 2-ONES
作者:Zhifang Li、Yongmin Zhang
DOI:10.1081/scc-120006022
日期:2002.1
ABSTRACT Induced by low-valent titanium reagent, substituted imidazolidine 2-ones were synthesized from imines and triphosgene in moderate to good yields.
Prasad, Girija; Singh, Geeta; Mehrotra, K. N., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1980, vol. 19, # 8, p. 653 - 654