Cyclizations in the reactions of isocyanates with compounds containing active methylene groups in the presence of triethylamine
作者:O. A. Linchenko、P. V. Petrovskii、I. Yu. Krasnova、V. N. Kalinin、Z. A. Starikova、Yu. G. Gololobov
DOI:10.1007/s11172-006-0345-5
日期:2006.5
Novel reactions of isocyanates with compounds containing active methylene groups in the presence of triethylamine are described. The reactions afford derivatives of pyrrolidine-2,3,5-trione and barbituric acid.
描述了异氰酸酯与含有活性亚甲基的化合物在三乙胺存在下的新反应。该反应得到吡咯烷-2,3,5-三酮和巴比妥酸的衍生物。