区域选择性
废止
化学
两性离子
酮
基质(水族馆)
溶剂
有机化学
组合化学
催化作用
分子
海洋学
地质学
作者
Yuming Li,Xuange Zhang,Tianyu Lu,Zhiwei Miao
标识
DOI:10.1002/slct.201901500
摘要
Abstract A simple solvent‐free method for the regioselective synthesis of pyrazoline derivatives via the annulation reactions of α‐cyano‐α,β‐unsaturated ketones and β‐carboxylic ester‐α,β‐unsaturated ketone with Huisgen zwitterions was developed. Interestingly, the reaction substrate is identified as a critical factor to control the final products. This method features simplicity, high efficiency, environmentally benign, and broad substrate scope. The gram scale applicability also points towards its possible implementation in industrial use.
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