HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium ethoxide → Diethyl 5-allylthio-2-dimethylamino-2,4-hexadienedioate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium ethoxide | HCID 2723922 | — |
| Reactant | Ethyl [(prop-2-en-1-yl)sulfanyl]acetate | HCID 12717294 | — |
| Reactant | N-(dimethylamino-3-ethoxycarbonylpropenylidene)-N-methylmethanaminium tetrafluoroborate | HCID 86743575 | — |
| Reactant | Diethyl 2-dimethylamino-5-phenylthio-2,4-hexadienedioate | HCID 86743580 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | Diethyl 5-allylthio-2-dimethylamino-2,4-hexadienedioate | HCID 54345555 | 84.6% |
Reaction Steps
The procedure is as in Example 2 for the preparation of diethyl 2-dimethylamino-5-phenylthio-2,4-hexadienedioate, starting with N-(3-dimethylamino-3-ethoxycarbonylpropenylidene)-N-methylmethanaminium tetrafluoroborate (5.5 g), a 2M ethanolic solution of sodium ethylate (9.7 cc) and ethyl (allylthio)acetate (3.1 g) in ethanol (31 cc). Diethyl 5-allylthio-2-dimethylamino-2,4-hexadienedioate (5.1 g) is thereby obtained, and is used in the crude state in the subsequent phases.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04971979 |
| Source dataset | uspto-grants-1990_11 |
| ORD ID | ord-b30fc5e814de4f9f905fe53b0f0d7512 |
| Source note | uspto-grants-1990_11 |