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 (free Supporting Information)
see article for more reactions
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.
see article for more examples