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nBu3P-Catalyzed Desulfonylative [3 + 2] Cycloadditions of Allylic Carbonates with Arylazosulfones to Pyrazole Derivatives

Qi Zhang, Ling-Guo Meng*, Kuai Wang and Lei Wang*

*Department of Chemistry, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China, Email: milig126.com, leiwang88hotmail.com

Q. Zhang, L.-G. Meng, K. Wang, L. Wang, Org. Lett., 2015, 17, 872-875.

DOI: 10.1021/ol503735c


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Abstract

Highly efficient nBu3P-catalyzed desulfonylative [3 + 2] cycloadditions of allylic carbonates with arylazosulfones enable the synthesis of pyrazole derivatives in very good yields under mild conditions.


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Key Words

pyrazoles, organocatalysis


ID: J54-Y2015