Hydrazine → N,N-Diethyl-5-(trifluoromethyl)-1H-indazol-3-amine
Reaction equation
[CH2:1]([N:3]([CH2:17][CH3:18])[C:4](=[NH:16])[C:5]1[CH:10]=[C:9]([C:11]([F:14])([F:13])[F:12])[CH:8]=[CH:7][C:6]=1Br)[CH3:2].[NH2:19]N>C(O)CCC>[CH2:1]([N:3]([CH2:17][CH3:18])[C:4]1[C:5]2[C:6](=[CH:7][CH:8]=[C:9]([C:11]([F:14])([F:13])[F:12])[CH:10]=2)[NH:19][N:16]=1)[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 5.0 g. of N,N-diethyl-2-bromo-5-trifluoromethylbenzamidine and 2.0 ml. of 95% hydrazine are refluxed in butanol for 12 hours. Evaporating the solution, treating the residue with ether and filtering gives 3-diethylamino-5-trifluoromethylindazole.
Workup
- additionA mixture of 5.0 g
- customEvaporating the solution
- additiontreating the residue with ether
- filtrationfiltering
Sources & evidence
- ORD record
- ord-d379bb1eddcd410fbd705f9b721a60d9
- Source dataset
- uspto-grants-1976_08
- Patent number
- USRE028939
Reaction notes
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