HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 22718782, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Iodine | HCID 807 | — |
| Reactant | Ethyl bromoacetate | HCID 7748 | — |
| Reactant | 1-(4-Cyclohexylphenyl)ethan-1-one | HCID 87715 | — |
| Catalyst | Zinc | HCID 23994 | — |
| Solvent | Benzene | HCID 241 | — |
| Product | HCID 22718782 | HCID 22718782 | 80% |
Reaction Steps
To a refluxing mixture of 4′-cyclohexylacetophenone (25 g), I2 (5 mg) and Zn (17 g) in benzene (150 ml) was added ethylbromoacetate (20.7 ml) dropwise during 30 minutes. The mixture was refluxed for 2 h and then cooled to room temperature. It was acidified with 10% HCl (200 ml) an organic layer separated out. The organic phase was washed with water, dried (Na2SO4) and concentrated. The crude product was purified by column chromatography using SiO2 as adsorbent and hexane-ethylacetate mixture as eluant to give 28 g (80% yield) of ethyl 3-hydroxy-3-(4-cyclohexylphenyl)-butanoate (2b, formula 2, R=cyclohexyl) m.p. 45° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06737438B2 |
| Source dataset | uspto-grants-2004_05 |
| ORD ID | ord-d4629483ed144d7f9c9e984c1317d449 |
| Source note | uspto-grants-2004_05 |