反应条件
N,N'-dimethyl-N,N'-propyleneurea; water; pyridinium p-toluenesulfonate 1.) THF, 2.) acetone, reflux; Multistep reaction;
参考文献
Berk, Scott C.; Grossman, Robert B.; Buchwald, Stephen L.
Journal of the American Chemical Society, 1994 , vol. 116, # 19 p. 8593 - 8601