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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1693140Generated: November 1, 2026

(Pyridin-4-yl)boronic acid → 5-Fluoro-3-isobutyl-benzo[b]thiophene-2-sulfonic acid (4-pyridin-4-yl-2-trifluoromethyl-phenyl)-amide

https://huagongshe.com/reaction/1693140

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(Pyridin-4-yl)boronic acidHCID 2734379—
Reactant5-Fluoro-3-isobutyl-benzo[b]thiophene-2-sulfonic acid(4-bromo-2-trifluoromethyl-phenyl)-amideHCID 59759970—
CatalystHCID 178418397HCID 178418397—
SolventEthanolHCID 702—
Solvent1,2-DimethoxyethaneHCID 8071—
SolventSodium CarbonateHCID 10340—
Product5-Fluoro-3-isobutyl-benzo[b]thiophene-2-sulfonic acid (4-pyridin-4-yl-2-trifluoromethyl-phenyl)-amideHCID 24967042471.7%

Reaction Steps

This compound was prepared in analogy to Example 2 starting from 5-fluoro-3-isobutyl-benzo[b]thiophene-2-sulfonic acid(4-bromo-2-trifluoromethyl-phenyl)-amide (0.10 g) and 4-pyridineboronic acid (0.036 g) in 1,2-dimethoxyethane (7 ml), ethanol (1 ml) and 2 molar sodium carbonate (2.0 ml) with tetrakis(triphenylphosphine)palladium (0.027 g) to obtain the title compound (0.47 g) as a yellowish solid. MS (ISN): 507.1 (M−H)−

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08158655B2
Source datasetuspto-grants-2012_04
ORD IDord-b192062951bc448abf9c4b9a9b0d4206
Source noteuspto-grants-2012_04