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Highly facile and regio-selective synthesis of pyrazolo[1,5-a]pyrimidines via reactions of 1,2-allenic ketones with aminopyrazoles

✍ Scribed by Zhang, Xinying; Song, Yunping; Gao, Lin; Guo, Xiaojie; Fan, Xuesen

Book ID: 126511053
Publisher: Royal Society of Chemistry
Year: 2014
Tongue: English
Weight: 625 KB
Volume: 12
Category: Article
ISSN: 1477-0520
DOI: 10.1039/C3OB42445F

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## Abstract magnified image A series of pyrazolopyrimidine and pyrazoloquinozoline derivatives has been synthesized in one step by multicomponent reactions using, 5‐aminopyrazole, __p‐__substitutedbenzoylacetonitrile/dimedone and triethylorthoesters. pyrazolopyrimidine derivatives were also studie