First Application of Air-Stable
and Reusable Phosphine-Containing Calix[4]arene
in Catalytic Aza-Morita-Baylis-Hillman Reaction
Weihui Zhong*, Yemin Zheng, Jiadi Zhou, Yanyan Shen Key Laboratory of Pharmaceutical Engineering
of Ministry of Education, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou
310014, P. R. of China Fax: +86(571)88320752; e-Mail: pharmlab@zjut.edu.cn;