Asymmetric Synthesis of cis-4-Aminobenzopyran Derivatives Catalyzed by N,N '-Dioxide-Sc(OTf)3 Complexes

作者:Zhang Yulong; Dong Shunxi; Liu Xiaohua; Xie Mingsheng; Zhu Yin; Lin Lili; Feng Xiaoming*
来源:Chemistry - A European Journal, 2011, 17(49): 13684-13687.
DOI:10.1002/chem.201102058