1H-Pyrazolo[1,2-a]pyridazine-1,3(2H)-dione, tetrahydro- synthesis

1synthesis methods

Product Name:1H-Pyrazolo[1,2-a]pyridazine-1,3(2H)-dione, tetrahydro-
CAS Number:69386-75-0
Molecular formula:C7H10N2O2
Molecular Weight:0

1(2H)-Pyridazinecarboxylic acid, tetrahydro-, ethyl ester

5740-50-1
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1H-Pyrazolo[1,2-a]pyridazine-1,3(2H)-dione, tetrahydro-

69386-75-0
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Yield:-

Steps:

Multi-step reaction with 3 steps
1: 93 percent / triethylamine / diethyl ether / 2 h
2: 1.) 80 percent NaH / 1.) toluene; 2.) 6 h, reflux
3: H₂O; acetonitrile / 3 h / Heating

References:

Lawton, Geoffrey;Moody, Christopher J.;Pearson, Christopher J. [Journal of the Chemical Society. Perkin transactions I,1987,p. 877 - 884]