158095-23-9

Upstream product

• 40745-03-7 5-amino-3-methylsulfanyl-1-phenyl-1H-pyrazole-4-carboxylic acid ethyl ester 

Downstream Products

• 328091-20-9 5-amino-3-methylsulfanyl-1-phenyl-1H-pyrazole-4-carboxylic acid cyano-methyl-methyl ester 
• 328091-19-6 5-amino-3-methylsulfanyl-1-phenyl-1H-pyrazole-4-carboxylic acid cyanomethyl ester 
• 932750-21-5 3-(methylthio)-1-phenyl-4-[(3H-[1,2,3]triazolo[4,5-b]pyridin-3-yloxy)carbonyl]-1H-pyrazol-5-amine 
• 328091-26-5 C₁₈H₁₈ClN₅O₄S 
• 328091-28-7 C₁₆H₁₃ClN₆O₂S 
• 328091-23-2 C₁₆H₁₄ClN₅O₃S 
• 328091-27-6 C₁₅H₁₁ClN₆O₂S 
• 328091-24-3 C₁₇H₁₆ClN₅O₃S 

Relevant academic research and scientific papers

NOVEL 5,6-DIHYDROPYRAZOLO[3,4-E] [L,4]DIAZEPIN-4 (IH) -ONE DERIVATIVES FOR THE TREATMENT OF ASTHMA AND CHRONIC OBSTRUCTIVE PULMONARY DISEASE.

The present invention provides a compound of a formula (I): wherein the variables are defined herein; to a process for preparing such a compound; and to the use of such a compound in the treatment of a PDE 4 mediated disease state.

Synthesis of some pyrazolopyrimidines

Some 1-phenyl-1H-6-(un)substituted-5-substituted-arylpyrazolopyrimidine-4(5H)-ones are synthesized by transformation of 6-methyl-1-phenyl-1H-pyrazolooxazin-4-ones and also from 5-amino-4-carbethoxy-1-phenyl pyrazole.