期刊
CHINESE CHEMICAL LETTERS
卷 21, 期 1, 页码 18-22出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2009.08.004
关键词
N,N-dipropargyl p-toluenesulfonamide; Dipropargyl ether; Cyclization; Rhodium complex; Diynes
A highly efficient and selective [2 + 2 + 2] cyclization of diynes and monoalkynes was catalyzed by rhodium under room temperature in water/THF mixed solvent, affording isoindolines and isobenzofurans in good to excellent yields. The center atoms (N, O) in the diynes showed a significant effect for the cyclization. (C) 2009 Wei Wu. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
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