HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Hydroxide → HCID 12850336, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Hydroxide | HCID 14797 | — |
| Reactant | Ethyl 2,2-dimethyl-3-ethoxycarbonyl-1-cyano-cyclopropane-1-carboxylate | HCID 12850335 | — |
| Product | HCID 12850336 | HCID 12850336 | 90.6% |
Reaction Steps
A mixture of 2 g of ethyl 2,2-dimethyl-3-ethoxycarbonyl-1-cyano-cyclopropane-1-carboxylate (prepared as in U.S. Pat. No. 3,397,223) and 4.71 g of 10% ethanolic potassium hydroxide was stirred under an inert atmosphere for 15 hours and the ethanol was then evaporated under reduced pressure. The residue was washed with ether and was then taken up in ether. The pH of the solution was adjusted to 3 by addition of dilute sulfuric acid and the decanted ether phase was washed with water, dried and evaporated to dryness under reduced pressure to obtain 1.6 g of 2,2-dimethyl-3-ethoxycarbonyl-1-cyano-cyclopropane-1-carboxylic acid with a melting point of ≃130° C. (decomposition).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04448728 |
| Source dataset | uspto-grants-1984_05 |
| ORD ID | ord-2b48633f368f4cb4a30b8681ac8b6ae2 |
| Source note | uspto-grants-1984_05 |