89889-58-7

Upstream product

• 80030-73-5 2,7-dimethyl-3,8-dinitrodipyrazolo[1,5-a;1',5'-d]pyrazine-4,9-dione 
• 106-49-0 p-toluidine 

Downstream Products

• 89889-61-2 4-Amino-5-methyl-2H-pyrazole-3-carboxylic acid p-tolylamide 
• 89889-64-5 3-Methyl-6-p-tolyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one 
• 89889-67-8 3-Methyl-6-p-tolyl-1-trimethylsilanyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one 
• 89889-82-7 1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-3-methyl-6-p-tolyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one 
• 89889-74-7 Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-(3-methyl-7-oxo-6-p-tolyl-6,7-dihydro-pyrazolo[4,3-d]pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 

Relevant academic research and scientific papers

Pyrazolo[4,3-d]pyrimidine nucleosides. Synthesis and antiviral activity of 1-β-D-ribofuranosyl-3-methyl-6-substituted-7 H-pyrazolo[4,3-d]pyrimidin-7-ones

N1 analogues of formycin B, with substituents at the 3 and 6 positions of the pyrazolo[4,3-d]pyrimidine moiety were synthesized by the direct SnCl4-catalyzed ribosylation method. The site of the glycosidic linkage and the anomeric co