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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 444939Generated: October 26, 2026

2-Methylpyridine-5-boronic acid → 5-Amino-6'-methyl-3-trifluoromethyl-[2,3']bipyridinyl-6-carboxylic acid methyl ester

https://huagongshe.com/reaction/444939

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methylpyridine-5-boronic acidHCID 2763081—
Reactant3-Amino-6-(4-fluoro-phenyl)-5-trifluoromethyl-pyridine-2-carboxylic acidHCID 58442310—
ReactantMethyl 3-amino-6-bromo-5-(trifluoromethyl)picolinateHCID 58964428—
Product5-Amino-6'-methyl-3-trifluoromethyl-[2,3']bipyridinyl-6-carboxylic acid methyl esterHCID 67383514—

Reaction Steps

This compound was prepared from 3-Amino-6-bromo-5-trifluoromethyl-pyridine-2-carboxylic acid methyl ester (Intermediate A4) and 2-methylpyridine-5-boronic acid analogously to 3-amino-6-(4-fluoro-phenyl)-5-trifluoromethyl-pyridine-2-carboxylic acid (Intermediate G); LC-MS Rt 0.96 min [M+H]+ 312 (Method 2 minLC_v002); 1H NMR (400 MHz, DMSO-d6) δ 8.41 (1H, s), 7.79 (1H, s), 7.69 (1H, dd), 7.32 (1H, d), 7.10 (2H, s), 3.82 (3H, s), 2.52 (3H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08476269B2
Source datasetuspto-grants-2013_07
ORD IDord-5ae871d6c0c74df390b7b117f55b1f61
Source noteuspto-grants-2013_07