Anthranilic Acid → HCID 69747102, compound
Reaction equation
[C:1]([OH:10])(=[O:9])[C:2]1[C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[NH2:4].C(=O)([O-])[O-].[Na+].[Na+].[C:17]1(C)[CH:22]=[CH:21][C:20]([S:23](Cl)(=[O:25])=[O:24])=[CH:19][CH:18]=1.[CH4:28].Cl>O>[C:19]1([CH3:28])[C:20]([S:23]([C:6]2[CH:5]=[C:3]([NH2:4])[C:2](=[CH:8][CH:7]=2)[C:1]([OH:10])=[O:9])(=[O:24])=[O:25])=[CH:21][CH:22]=[CH:17][CH:18]=1Participants
7
Reactant 5
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 65 °C
Procedure
13.7 g (0.1 mol) of anthranilic acid was added in three portions to the warmed solution of 26.0 g of sodium carbonate in 150 ml of water, 23.0 g (0.12 mol) of p-toluenesulfonyl chloride was added to the solution in 5 portions over a period of 20 minutes. Maintained the reaction mixture at 60-70° C. for additional 0.5 h, and rised to 85° C., 1.0 g of Norit was added cautiously and the solution was fitered. The filtrate was cooled and acidified with dilute HCl, the product was isolated by filtration and washed with dilute hydrochloric acid and then water. After recrystallized from 95% ethanol there was obtained the title compound (20.0 g) as white crystal, yield 68.7%, m.p. 229-232° C.
Workup
- additionwas added to the solution in 5 portions over a period of 20 minutes
- customrised to 85° C.
- temperatureThe filtrate was cooled
- customthe product was isolated by filtration
- washwashed with dilute hydrochloric acid
- customAfter recrystallized from 95% ethanol
Sources & evidence
- ORD record
- ord-305f34d0431c41d5b6a1bacfb22171b7
- Source dataset
- uspto-grants-2005_11
- Patent number
- US06960611B2
Reaction notes
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