Febuxostat impurity 37 synthesis
- Product Name:Febuxostat impurity 37
- CAS Number:1229019-33-3
- Molecular formula:C11H10N2O
- Molecular Weight:186.21
1220973-98-7
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1229019-33-3
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Yield:-
Steps:
Multi-step reaction with 3 steps
1: thionyl chloride / dichloromethane / 2 h / Reflux
2: ammonia / methanol; dichloromethane / 0.5 h / Cooling with ice
3: trichlorophosphate / 1 h / Reflux
References:
EP2383262,2011,A1