HuagongsheHuagongshe Chemistry Print Report · For research reference only
Pyridine → ZR 2646
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | Pivaloyl chloride | HCID 62493 | — |
| Reactant | Pyridinium chloride | HCID 10176127 | — |
| Reactant | Ethyl 4-(2-hydroxybutoxy)benzoate | HCID 21444117 | — |
| Product | ZR 2646 | HCID 162792 | 89% |
Reaction Steps
In pyridine (10ml) 1.2 g (5 mmol) of 1-(p-ethoxycarbonyl-phenoxy)-butan- 2-ol was dissolved and to this solution was gradually added 0.6 g (5 mmol) of pivaloyl chloride cooling in an ice bath. The mixture was stirred at room temperature for 3 hours after the addition was completed. During the course of the reaction pyridine hydrochloride precipitated. The reaction mixture was then poured in ice water and extracted with ethyl acetate. The extract was washed with water, dried, and concentrated to afford 1.6g of 1-(p-ethoxycarbonyl-phenoxy)-butan-2-ol pivalate (compound No. 1) in a yield of 89% as a light yellow viscous oily substance.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04016186 |
| Source dataset | uspto-grants-1977_04 |
| ORD ID | ord-0f22a9d3d5004617b51f20e6cd35464c |
| Source note | uspto-grants-1977_04 |