引用本文:
Wei Wu, Xiao Yun Zhang, Shou Xing Kang. Rhodium-catalyzed selective [2+2+2] cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans[J]. Chinese Chemical Letters,
2010, 21(1): 18-22.
doi:
10.1016/j.cclet.2009.08.004
Citation: Wei Wu, Xiao Yun Zhang, Shou Xing Kang. Rhodium-catalyzed selective [2+2+2] cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans[J]. Chinese Chemical Letters, 2010, 21(1): 18-22. doi: 10.1016/j.cclet.2009.08.004
Citation: Wei Wu, Xiao Yun Zhang, Shou Xing Kang. Rhodium-catalyzed selective [2+2+2] cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans[J]. Chinese Chemical Letters, 2010, 21(1): 18-22. doi: 10.1016/j.cclet.2009.08.004
Rhodium-catalyzed selective [2+2+2] cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans
摘要:
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.
English
Rhodium-catalyzed selective [2+2+2] cyclizations of 1,6-diynes with monoynes leading to isoindolines and isobenzofurans
Abstract:
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.
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Key words:
- N,>N-dipropargyl p-toluenesulfonamide
- / Dipropargyl ether
- / Cyclization
- / Rhodium complex
- / Diynes
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