HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 70396257, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Water | HCID 962 | — |
| Reactant | Diethyl Ether | HCID 3283 | — |
| Reactant | HCID 70395582 | HCID 70395582 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 70396257 | HCID 70396257 | 75% |
Reaction Steps
6β-Bromo-1,2β-methylenandrost-4-ene-3,17-dione (200 mg) in acetic acid (15 ml) at 15°-20° is treated with a steady stream of dry hydrogen chloride for 1 hour and then kept an additional hour at room temperature. Then water is added and the product isolated with ether. The combined ether extracts are washed with saturated salt solution, 5% sodium carbonate solution, water; dried and evaporated. Column chromatography of residue over silica gel using benzene/ethyl ether as eluant affords pure 6α-bromo-1,2β-methylenandrost-4-ene-3,17-dione (150 mg, 75%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04840943 |
| Source dataset | uspto-grants-1989_06 |
| ORD ID | ord-ccc7c19c5b664989bf8d02b2899f0133 |
| Source note | uspto-grants-1989_06 |