154535-55-4Relevant academic research and scientific papers
A Facile Synthesis of Some Pyrazolo Analogues of Tricyclic Purine Derivatives Via Hydrazonoyl Halides
Fahmi, A. A.,Mekki, S. T.,Albar, H. A.,Shawali, A. S.,Hassaneen, H. M.,Abdelhamid, H.
, p. 140 - 149 (2007/10/02)
The synthesis of 5-amino-4-imino-4,5-dihydro-1H-pyrazolopyrimidines 9 and 4-amino-1H-pyrazolopyrimidines 10 has been accomplished from hydrazonoyl halides 5 as starting materials.Reactions of 9 with triethyl orthoformate, benzoyl chloride, a
