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

被引：65
作者：
Zhang, Qi [1 ]
Meng, Ling-Guo [1 ]
Wang, Kuai [1 ]
Wang, Lei [1 ,2 ]
机构：
[1] Huaibei Normal Univ, Dept Chem, Huaibei 235000, Anhui, Peoples R China
[2] Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Shanghai 200032, Peoples R China
来源：
ORGANIC LETTERS | 2015年 / 17卷 / 04期
基金：
美国国家科学基金会;
关键词：
CATALYZED 4+2 ANNULATION; GAMMA-SUBSTITUENT ALLENOATES; DOMINO REACTION; PHOSPHINE CATALYSIS; SELECTIVE SYNTHESIS; HILLMAN CARBONATES; FACILE SYNTHESIS; SEQUENTIAL 2+3; N-TOSYLIMINES; CONSTRUCTION;
D O I：
10.1021/ol503735c
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Highly efficient (Bu3P)-Bu-n-catalyzed desulfonylative [3 + 2] cycloadditions of allylic carbonates with arylazosulfones were developed for the synthesis of pyrazole derivatives. The reactions proceed smoothly under mild conditions to generate corresponding annulation products in good to excellent yields.
引用
收藏
页码：872 / 875
页数：4
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