HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Methylpyridine-5-boronic acid → 5-Amino-6'-methyl-3-trifluoromethyl-[2,3']bipyridinyl-6-carboxylic acid methyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Methylpyridine-5-boronic acid | HCID 2763081 | — |
| Reactant | 3-Amino-6-(4-fluoro-phenyl)-5-trifluoromethyl-pyridine-2-carboxylic acid | HCID 58442310 | — |
| Reactant | Methyl 3-amino-6-bromo-5-(trifluoromethyl)picolinate | HCID 58964428 | — |
| Product | 5-Amino-6'-methyl-3-trifluoromethyl-[2,3']bipyridinyl-6-carboxylic acid methyl ester | HCID 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 2minLC_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
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08247436B2 |
| Source dataset | uspto-grants-2012_08 |
| ORD ID | ord-f88f64c14e374f37a3a51c8676309567 |
| Source note | uspto-grants-2012_08 |