1228363-39-0Relevant articles and documents
Enantioselective synthesis of coumarins catalyzed by a bifunctional amine-thiourea catalyst
Gao, Yaojun,Ren, Qiao,Wang, Lei,Wang, Jian
supporting information; experimental part, p. 13068 - 13071 (2011/02/21)
Efficient excess: An efficient and facile enantioselective Michael addition reaction through hydrogen-bonding catalysis for the synthesis of coumarin complexes has been developed (see scheme). A simple bifunctional amine-thiourea small molecule has been discovered to catalyze this process with high yields and high to excellent enantiomeric excesses.