4-Chlorobenzenesulfonyl isocyanate → HCID 18971439, compound

HRID 2395270Notes

Reaction equation

HRID 2395270 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([N:11]=[C:12]=[O:13])(=[O:10])=[O:9])=[CH:4][CH:3]=1.[NH2:14][C:15]1[CH:23]=[CH:22][CH:21]=[C:20]([CH3:24])[C:16]=1[C:17](O)=[O:18]>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([S:8]([N:11]2[C:17](=[O:18])[C:16]3[C:15](=[CH:23][CH:22]=[CH:21][C:20]=3[CH3:24])[NH:14][C:12]2=[O:13])(=[O:9])=[O:10])=[CH:6][CH:7]=1

Participants

3

Reactant 2

HCID 1385874-Chlorobenzenesulfonyl isocyanateHCID 1512106-Methylanthranilic acid

Product 1

HCID 18971439HCID 18971439, compoundYield 85.6%

Procedure

2.00 g (9.19 mmol) of 4-chlorobenzenesulfonylisocyanate and 1.26 g (8.33 mmol) of 2-amino-6-methylbenzoic acid were treated in the same way as in Example 1 to obtain 2.50 g of the above-identified compound (yield 85.6%). Properties: colorless crystal, Melting point: >250° C., PMR (δppm, DMSO-d6): 2.56 (3H,s), 6.99 (2H,t), 7.49 (1H,t), 7.77 (2H,d), 8.20 (2H,d), 11.54 (1H,br).

Sources & evidence

ORD record
ord-1bb07efe92334eb8a833d2ea8be64bb5
Source dataset
uspto-grants-1998_09
Patent number
US05814631

Reaction notes

Loading…