Structure of pyrazolo[1,5-a]pyrimidine methylderivatives.
In the course of researches on pyrazolo[1,5-a]pyrimidine compounds, methylation reactions with (CH3)2SO4 and CH2N2 are studied. Methylderivatives structure is assigned by means of a spectroscopic investigation. A relationship between the kind of reagent and the methyl group position is stressed.
D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D008745:Methylation; D011743:Pyrimidines / Q000032:analysis*; D013055:Spectrophotometry, Infrared / Q000379:methods; D013056:Spectrophotometry, Ultraviolet / Q000379:methods
D007202:Indicators and Reagents; D011743:Pyrimidines