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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269166Generated: October 28, 2026

5-bromo-N-(1,3-dihydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamide → 5-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid (2-hydroxy-1-hydroxymethyl-1-methyl-ethyl)-amide

https://huagongshe.com/reaction/269166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(1,3-dihydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamideHCID 67000972—
Reactant5-(3,4-Dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidineHCID 86608051—
Product5-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid (2-hydroxy-1-hydroxymethyl-1-methyl-ethyl)-amideHCID 67000898—

Reaction Steps

The title compound was prepared from 5-(3,4-dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine (example C.9) (89 mg, 0.25 mmol) and 5-bromo-pyridine-3-sulfonic acid (2-hydroxy-1-hydroxymethyl-1-methyl-ethyl)-amide (Example B.4) (81 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (24 mg, 16%). MS (ISN) 598.2 [(M−H)−].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-3d64c3bb88c646ffbd4b443009e6e01c
Source noteuspto-grants-2008_11