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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1636568Generated: October 26, 2026

Sodium Carbonate → Sodium 4-(benzoxazol-2-yl)phenylsulphamate

https://huagongshe.com/reaction/1636568

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
ReactantChlorosulfonic acidHCID 24638—
ReactantBenzenamine, 4-(2-benzoxazolyl)-HCID 88733—
ReactantSulfamate ionHCID 177700—
Solvent2-MethylpyridineHCID 7975—
ProductSodium 4-(benzoxazol-2-yl)phenylsulphamateHCID 2371789196%

Reaction Steps

2(4'-Aminophenyl)benzoxazole was treated with chlorsulphonic acid in 2-picoline and sodium carbonate according to the above-described general procedure for preparation of sulphamate salts. Grey crystals were obtained in 96% yield, m.p. >340° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06034246
Source datasetuspto-grants-2000_03
ORD IDord-f47491470ecc4bfe944459e07bb1f160
Source noteuspto-grants-2000_03