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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1989161Generated: November 1, 2026

3,5-Dibromopyridine → 5'-Bromo-6-methyl-4-(4-trifluoromethylphenyl)-[2,3']bipyridinyl

https://huagongshe.com/reaction/1989161

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-DibromopyridineHCID 69369—
ReactantTrifluoro-methanesulfonic acid 6-methyl-4-(4-trifluoromethyl-phenyl)-pyridin-2-yl esterHCID 57468647—
Reactant3-Bromo-pyridine-boronic acidHCID 68692920—
Product5'-Bromo-6-methyl-4-(4-trifluoromethylphenyl)-[2,3']bipyridinylHCID 68692484—

Reaction Steps

The title compound was prepared from trifluoro-methanesulfonic acid 6-methyl-4-(4-trifluoromethyl-phenyl)-pyridin-2-yl ester (example A.32) (2.0 g, 5.2 mmol) and commercially available 3-bromo-pyridine-boronic acid [CAS-No. 452972-09-07] (alternatively prepared from commercially available 3,5-dibromopyridine according to Tetrahedron 2002, 58(17), 3323 or Synthesis 2003, (7), 1035) (1.152 g, 5.7 mmol) according to the general procedure IVb. Obtained as a white solid (1.70 g, 83%). MS (ISP) 393.0 [(M+H)+] and 395.0 [(M+2+H)+].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07642264B2
Source datasetuspto-grants-2010_01
ORD IDord-72d7138799db4073b758deadf478747a
Source noteuspto-grants-2010_01