HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-(3-Pyridyl)-3-(dimethylamino)-2-propen-1-one → ETHYL 7-(PYRIDIN-3-YL)PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLATE
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-(3-Pyridyl)-3-(dimethylamino)-2-propen-1-one | HCID 567033 | — |
| Reactant | HCID 178469928 | HCID 178469928 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | ETHYL 7-(PYRIDIN-3-YL)PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLATE | HCID 11196438 | — |
Reaction Steps
As for Example 2, 1.04 g. of 3-amino-4-carboethoxypyrazole is heated at reflux temperature for 16 hours with 1.18 g. of 3-dimethylamino-1-(3-pyridyl)-2-propen-1-one in 25 ml. of glacial acetic acid to give 1.30 g. of the product of the example as colorless needles, m.p. 170°-171° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04281000 |
| Source dataset | uspto-grants-1981_07 |
| ORD ID | ord-eb5a3bed243c4ddea2c93acc06f34ded |
| Source note | uspto-grants-1981_07 |