HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Hydroxide → 6-Chloro-4-methylpyridin-2-amine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | N-(6-chloro-4-methylpyridin-2-yl)pivalamide | HCID 59165851 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Product | 6-Chloro-4-methylpyridin-2-amine | HCID 19814842 | 82% |
Reaction Steps
A solution of N-(6-chloro-4-methylpyridin-2-yl)pivalamide (500 mg, 2.21 mmol) in HCl (40 mL, 6 M) was stirred for 6 hours at 90° C. The mixture was cooled to room temperature and neutralized with NaOH to pH 10. The mixture was extracted with ethyl acetate, evaporated under vacuum, and purified by chromatography on silica gel (5% ethyl acetate in petroleum ether) to afford 6-chloro-4-methylpyridin-2-amine (257 mg, 82%). 1H NMR (CDCl3, 300 MHz) δ 6.52 (s, 1H), 6.26 (s, 1H), 2.23 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08324207B2 |
| Source dataset | uspto-grants-2012_12 |
| ORD ID | ord-987c49b531514a968a98e0462bb3a2bc |
| Source note | uspto-grants-2012_12 |