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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269151Generated: October 27, 2026

5-bromo-N-(1-hydroxy-2-methylpropan-2-yl)-2-methoxybenzenesulfonamide → 5-[5-(4-Chloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-2-methoxy-benzenesulfonamide

https://huagongshe.com/reaction/269151

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(1-hydroxy-2-methylpropan-2-yl)-2-methoxybenzenesulfonamideHCID 27518037—
Reactant5-(4-Chloro-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidineHCID 86608048—
Product5-[5-(4-Chloro-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-N-(2-hydroxy-1,1-dimethyl-ethyl)-2-methoxy-benzenesulfonamideHCID 11851617—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.6) (63 mg, 0.25 mmol) and 5-bromo-N-(2-hydroxy-1,1-dimethyl-ethyl)-2-methoxy-benzenesulfonamide (85 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (52 mg, 41%). MS (ISP) 511.1 [(M+H)+]; mp 264-266° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-a24cba9324084ae1a58e385e0b161345
Source noteuspto-grants-2008_11