91173-75-0Relevant academic research and scientific papers
SYNTHESIS WITH 3-AMINOPYRAZOLE DERIVATIVES. II. REACTION OF 3-AMINOPYRAZOLE DERIVATIVES WITH OXALYL CHLORIDE
Gavrilenko, B.B.,Kapitan, A.V.
, p. 782 - 785 (2007/10/02)
The derivatives of 3-aminopyrazole react with oxalyl chloride to form a mixture of 6-R-2,3-dihydro-2,3-dihydroxy-7-ethoxycarbonyl-1H-imidazopyrazoles and N,N'-bis(3-R-4-ethoxycarbonyl-5-pyrazolyl)oxamides.In one case 3-amino-5-(chlorooxalylamino)-4-ethoxycarbonylpyrazole was isolated and identified.It is hydrolyzed by water to N,N'-bis(3-amino-4-ethoxycarbonyl-5-pyrazolyl)oxamide.
