61552-51-0Relevant articles and documents
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Kirkpatrick et al.
, p. 386,387 (1977)
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SYNTHESIS OF SUBSTITUTED PYRAZOLO PYRIMIDINES
Deeb, Ali,El-Mobayed, Medhat,Essawy, Abd A.,El-Hamid, Adel Abd,El-Hamid, Atef Abd
, p. 303 - 309 (2007/10/02)
The reaction of 3-amino-4-cyanopyrazole (1) with ethyl acetoacetate, acetyl acetone, and ethyl cyanoacetate give pyrazolopyrimidine derivatives 2, 4, and 7 respectively. Compound 2 reacts with phosphorous oxychloride to give the corresponding 7-chl