P-BEMP: A New Efficient and Commercially Available User-Friendly and Recyclable Heterogeneous Organocatalyst for the Michael Addition of 1,3-Dicarbonyl Compounds
作者:Thierry Constantieux、Jean Rodriguez、David Bensa
DOI:10.1055/s-2004-815996
日期:——
Michael addition of 1,3-dicarbonyls with various Michael acceptors has been found to be catalyzed by commercially available, user-friendly and recyclable N-phenyl-tris(dimethylamino)iminophosphorane immobilized on polystyrene resin (P-BEMP). The reaction does not require anhydrous solvents or inert atmosphere and proceeds smoothly at room temperature leading to the corresponding adducts, which can
已发现 1,3-二羰基与各种迈克尔受体的迈克尔加成可通过固定在聚苯乙烯树脂 (P-BEMP) 上的市售、用户友好和可回收的 N-苯基-三(二甲氨基)亚氨基正膦催化。该反应不需要无水溶剂或惰性气氛,在室温下顺利进行,得到相应的加合物,通过简单的过滤即可方便地以高收率和高化学纯度进行分离。