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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 418185Generated: October 25, 2026

N-hydroxy-4-sulfamoylbenzene-1-carboximidamide → 4-{5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-yl]-[1,2,4]oxadiazol-3-yl}-benzenesulfonamide

https://huagongshe.com/reaction/418185

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-hydroxy-4-sulfamoylbenzene-1-carboximidamideHCID 612025—
Reactant5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acidHCID 66650469—
Product4-{5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-yl]-[1,2,4]oxadiazol-3-yl}-benzenesulfonamideHCID 16068766—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.28) (157 mg, 0.5 mmol) and N-hydroxy-4-sulfamoyl-benzamidine [CAS-No. 4476-10-2] (161 mg, 0.75 mmol) according to general procedure II. Obtained after purification by column chromatography (dichloromethane/MeOH/NH4OH) and crystallization (dichloromethane) as a light yellow solid (60 mg, 24%). MS (EI) 492.1 [(M)+]; mp 260° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08093263B2
Source datasetuspto-grants-2012_01
ORD IDord-02642eee293f4cff816074bce9a7ebc3
Source noteuspto-grants-2012_01