作者:Run-Sheng Zeng、Jian-Ping Zou、San-Jun Zhi、Jun Chen、Qi Shen
DOI:10.1021/ol030024l
日期:2003.5.1
[GRAPHICS]An efficient route to 1-aroyl-3-aryl-4-substituted imidazole-2-thiones (2, 4-6) has been developed. The methodology involves the cyclization of 1-aroyl-3-arylthioureas with a variety of carbonyl compounds bearing a-H in the presence of bromine and triethylamine.