HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → (R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-4-methylpentanamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | Binap, (A+-)- | HCID 634876 | — |
| Reactant | 3-Methylisothiazol-5-ylamine hydrochloride | HCID 2723918 | — |
| Reactant | (R)-2-(5-bromo-4-cyano-2-fluorophenylamino)-4-methylpentanamide | HCID 67508329 | — |
| Catalyst | palladium(II) acetate | HCID 167845 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | (R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-4-methylpentanamide | HCID 67508594 | — |
Reaction Steps
A mixture of (R)-2-(5-bromo-4-cyano-2-fluorophenylamino)-4-methylpentanamide (175 mg, 0.533 mmol), 5-amino-3-methylisothiazole hydrochloride (97 mg, 0.644 mmol), BINAP (50 mg, 0.080 mmol), Pd(OAc)2 (35 mg, 0.156 mmol) and K2CO3 (250 mg, 1.81 mmol) in dioxane (4 mL) was degassed with Ar, then was stirred at 120 C for 18 h. Water and EtOAc were added. After being filtered, the filtrate was washed with water, dried over Na2SO4, concentrated in vacuo to give (R)-2-(4-cyano-2-fluoro-5-(3-methylisothiazol-5-ylamino)phenylamino)-4-methylpentanamide as a crude residue.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08846928B2 |
| Source dataset | uspto-grants-2014_09 |
| ORD ID | ord-4d2ee6170ca5471d8aab123fabda9431 |
| Source note | uspto-grants-2014_09 |