Synthesis of pyrazolo[1,5-c]pyrimidines from difluoroboron chelates of aroylacetones
作者:V. A. Dorokhov、I. V. Kravtsov、P. A. Belyakov、S. V. Baranin
DOI:10.1007/s11172-007-0154-5
日期:2007.5
A convenient method was developed for the synthesis of derivatives of 6H-pyrazolo[1,5-c]pyrimidine-7-thione and 7-aminopyrazolo[1,5-c]pyrimidine from difluoroboron chelate complexes of aroylacetones, amide acetals, and thiosemicarbazide or aminoguanidine.
本研究开发了一种简便的方法,利用二氟硼螯合物中的酰基丙酮、酰胺缩醛和硫代氨基脲或氨基胍合成 6H-吡唑并[1,5-c]嘧啶-7-硫酮和 7-氨基吡唑并[1,5-c]嘧啶的衍生物。