Synthesis of pyrazolo[3′,4′:4,5]pyrimido [2,3-c][1,4] benzoxazines. A new heterocyclic ring system was written by Reddy, P. S. N.;Reddy, Pragati;Reddy, G. Jagath;Rao, K. Srinivasa. And the article was included in Heterocyclic Communications in 2003.SDS of cas: 14678-93-4 This article mentions the following:
A series of 4-oxo-pyrazolo[3′,4′:4,5]pyrimido[2,3-c][1,4] benzoxazines I (R1 = H, Cl, F, Me, COMe; R2 = H, Cl, Me; R3 = H, Me) were prepared by cyclocondensation of 1,4-benzoxazinones with 5-aminopyrazole-4-carboxylic acids in a single step. In the experiment, the researchers used many compounds, for example, 5-Amino-1-(p-tolyl)-1H-pyrazole-4-carboxylic acid (cas: 14678-93-4SDS of cas: 14678-93-4).
5-Amino-1-(p-tolyl)-1H-pyrazole-4-carboxylic acid (cas: 14678-93-4) belongs to pyrazole derivatives. Pyrazole and its derivatives are considered a pharmacologically important active scaffold that possesses almost all types of pharmacological activities. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, anti-inflammatory, antipyretic, antiarrhythmic, sedative, muscle relaxant, neuroleptic, anticonvulsant, monoamine oxidase inhibitory, antidiabetic and antibacterial activities.SDS of cas: 14678-93-4
Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics