Li, Mei-Mei; Huang, Hui; Tian, Wanrong; Pu, Yiru; Zhang, Chaozheng; Yang, Jirui; Ren, Qing; Tao, Feiyan; Deng, Yun; Lu, Jun published the artcile< Construction of multi-substituted pyrazoles via potassium carbonate-mediated [3 + 2] cycloaddition of in-situ generated nitrile imines with cinnamic aldehydes>, Category: bromides-buliding-blocks, the main research area is methanecarbohydrazonoyl chloride cinnamaldehyde potassium carbonate mediator regioselective cycloaddition; phenyl pyrazole preparation.
A highly efficient potassium carbonate-mediated [3 + 2] cycloaddition reaction of hydrazonoyl chlorides with cinnamic aldehydes to furnish multi-substituted pyrazoles under nontoxic and mild conditions was developed. A plausible stepwise cycloaddition reaction mechanism was proposed. This protocol featured broad substrate coverage, good functional group tolerance, wide scalability, and operational simplicity, as well as conveniently constructed pyrazole scaffolds.
RSC Advances published new progress about [3+2] Cycloaddition reaction (regioselective). 3893-18-3 belongs to class bromides-buliding-blocks, and the molecular formula is C9H7BrO, Category: bromides-buliding-blocks.
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary