HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 3,4-Dihydro-6-(3,4-dimethoxyphenyl)-2,3-dimethylpyrimidin-4-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Methyl iodide | HCID 6328 | — |
| Reactant | Potassium tert-butoxide | HCID 23665647 | — |
| Reactant | 3,4-Dihydro-6-(3,4-dimethoxyphenyl)-2-methylpyrimidin-4-one | HCID 135736174 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 3,4-Dihydro-6-(3,4-dimethoxyphenyl)-2,3-dimethylpyrimidin-4-one | HCID 20152307 | 65.3% |
Reaction Steps
To a suspension of 3,4-dihydro-6-(3,4 dimethoxyphenyl)-2-methylpyrimidin-4-one (2.0 g) in N,N-dimethylformamide (20 ml) were added potassium tert.butoxide (1.08 g) and methyl iodide (1.0 ml), and stirred at ambient temperature for an hour. Resulting mixture was poured into water, and extracted with ethyl acetate. The organic layer was chromatographed on silica gel eluting with chloroform to give 3,4-dihydro-6-(3,4-dimethoxyphenyl)-2,3-dimethylpyrimidin-4-one (1.38 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04725600 |
| Source dataset | uspto-grants-1988_02 |
| ORD ID | ord-6991b219f52b4e25941ed6cba7871dad |
| Source note | uspto-grants-1988_02 |