Browsing by Author "b3d7ab84-d3a3-41ce-819f-f2c6a7ffa7ce"
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Quiroga, Jairo; Hormaza, Angelina; Insuasty, Braulio; Saitz Barría, Claudio; Jullian Matthaei, Carolina; Cañete, Alvaro (HeteroCorporation, 1998)A series of pyrazolo[1,5-a]pyrimidin-3-ones 3 was prepared from Meldrum's acid and 5-amino-3-arylpyrazoles 1 by cyclization in nitrobenzene of the corresponding 5-pyrazolylaminomethylene Meldrum's acid derivatives 2. The ...