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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238064Generated: October 26, 2026

3-bromo-N-methylbenzene-1-sulfonamide → N-Methyl-3-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide

https://huagongshe.com/reaction/2238064

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-bromo-N-methylbenzene-1-sulfonamideHCID 7213265—
Reactant3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 71539732—
ProductN-Methyl-3-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamideHCID 86608071—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 mg, 1.0 mmol) and 3-bromo-N-methyl-benzenesulfonamide (example B.32) (225 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (360 mg, 68%). MS (ISP) 525.2 [(M+H)+]; mp 213-214° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-29a990a519e043bebb808469a1d257f6
Source noteuspto-grants-2010_05