An unexpected rearrangement of pyrazolium halides based on N–N bond cleavage: synthesis of 1,2-dihydropyrimidines

• DOI: 10.1039/c7cc02525d
• Publication Date: 2017-06-02T12:53:53Z
• Authors: Qian Chen; Xiaoshuang Liu; Fang Guo; Zhonglin Chen
• Keywords: 01 natural sciences; 0104 chemical sciences

An unexpected rearrangement of pyrazolium halides was observed, presenting an efficient approach for the synthesis of 1,2-dihydroquinazolines under mild conditions.