O-Phenylenediamine → HCID 13713018, compound

HRID 1914804Notes

Reaction equation

HRID 1914804 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]=1

Participants

5

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

  1. filtrationThe precipitate is filtered off
  2. washwashed with water
  3. 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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