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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2395277Generated: November 3, 2026

4-Chlorobenzenesulfonyl isocyanate → HCID 18971531, compound

https://huagongshe.com/reaction/2395277

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorobenzenesulfonyl isocyanateHCID 138587—
Reactant5-Methoxyanthranilic acidHCID 277930—
ProductHCID 18971531HCID 1897153164.8%

Reaction Steps

1.00 g (4.59 mmol) of 4-chlorobenzenesulfonylisocyanate and 698 mg (4.18 mmol) of 2-amino-5-methoxybenzoic acid were treated in the same way as in Example 1 to obtain 992 mg of the above-identified compound (yield 64.8%). Properties: colorless crystal, Melting point: 192°-194° C., PMR (δppm, DMSO-d6): 3.79 (3H,s), 7.08 (1H,d), 7.30 (2H,m), 7.75 (2H,d), 8.16 (2H,d), 11.48 (1H,br).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05814631
Source datasetuspto-grants-1998_09
ORD IDord-602ba9cd19bc42c0924faef763947d6a
Source noteuspto-grants-1998_09