O-Phenylenediamine → HCID 13713018, compound
Reaction equation
[C:1]1([NH2:8])[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[NH2:7].[CH3:9][NH:10][C:11]1[CH:19]=[CH:18][C:14]([C:15](O)=O)=[CH:13][CH:12]=1.[OH-].[Na+]>O>[NH:7]1[C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][C:1]=2[N:8]=[C:15]1[C:14]1[CH:18]=[CH:19][C:11]([NH:10][CH3:9])=[CH:12][CH:13]=1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 80 °C
Procedure
5.00 g (46.2 mmol) o-Phenylene diamine and 6.99 g (46.2 mmol) 4-(methylamino)benzoic acid are stirred in 40.0 g polyphosphoric acid at 210° C. for 4 hours. The mixture is cooled to 80° C., poured into water and stirred over night at RT. The mixture is alkalinized with sodium hydroxide solution. The precipitate is filtered off and washed with water. The product is dried in vacuo at 70° C.
Workup
- filtrationThe precipitate is filtered off
- washwashed with water
- customThe product is dried in vacuo at 70° C.
Sources & evidence
- ORD record
- ord-7b54468956a140ba8ab8c69f076348fe
- Source dataset
- uspto-grants-2013_12
- Patent number
- US08614238B2
Reaction notes
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