Tetrahedron

S–Co (II) cascade catalysis: cyclocondensation of aromatic nitriles with alkamine

H Ge, P Liu, X Li, W Sun, J Li, B Yang, Z Shi

文献索引：Ge, Haixia; Liu, Ping; Li, Xiangnan; Sun, Wei; Li, Jianli; Yang, Bingqin; Shi, Zhen Tetrahedron, 2013 , vol. 69, # 32 p. 6591 - 6597

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被引用次数: 7

摘要

A solvent-free S/Co (NO3) 2 cascade catalyzed cyclocondensation reaction of aromatic nitriles with 3-amino-1-propanol or 2-aminoethanol has been successfully developed under thermal and microwave conditions. By this two-component protocol, mono-and bis-oxazines and oxazolines were selectively synthesized both in good to excellent yields and short reaction times. This catalytic system exhibits excellent chemoselectivity, and can be ...