PYRIMIDINE-2,4-DIONE DERIVATIVES AS MATRIX METALLOPROTEINASE INHIBITORS
申请人:Warner-Lambert Company LLC
公开号:EP1553949B1
公开(公告)日:2007-04-18
US7160893B2
申请人:——
公开号:US7160893B2
公开(公告)日:2007-01-09
Microwave promoted one-pot synthesis of 2-aryl substituted 1,3,4-oxadiazoles and 1,2,4-oxadiazole derivatives using Al3+-K10 clay as a heterogeneous catalyst
An efficient, inexpensive method is developed for the one-potsynthesis of 2-aryl substituted 1,3,4-oxadiazoles and 1,2,4-oxadiazoles starting from acid hydrazides and trimethyl orthoformate under solvent-free, microwave conditions using a reusable Al3+-K10 montmorillonite clay as a heterogeneous catalyst. The novelty of the present study lies in the synthesis of oxadiazole and benzimidazole moieties