Efficient Lewis Base-Catalyzed Conjugate Addition of Azide Ion to Cyclic Enones in Water
Li-Wen Xu, Chun-Gu Xia*, Jing-Wei Li, Shao-Lin Zhou State Key Laboratory of Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, 730000, P. R. China Fax: 86(931)8277088; e-Mail: cgxia@ns.lzb.ac.cn;