A series of halogenated systems for pyrazolo[1,5-a]pyrimidines have been developed. Selective transformations of pyrazolo[1,5-a]pyrimidines by mono- and di-iodination were achieved by varying the r...

中文翻译：

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吡唑并[1,5-a]嘧啶的 NXS 卤化

已经开发了一系列吡唑并[1,5-a]嘧啶的卤化体系。通过单碘化和二碘化选择性转化吡唑并[1,5-a]嘧啶是通过改变反应温度来实现的。