HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 2-oxo-2-((10S,13S,16R,17S)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Potassium Bicarbonate | HCID 516893 | — |
| Reactant | 2-((10S,13S,16R)-10,13,16-trimethyl-3-oxo-7,8,12,13,15,16-hexahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)-2-(trimethylsilyloxy)ethyl acetate | HCID 67283177 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | 2-oxo-2-((10S,13S,16R,17S)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate | HCID 59271740 | — |
Reaction Steps
The crude product from step 1 is dissolved in ethyl acetate, and slurried with aqueous 1N HCl until hydrolysis is complete. The aqueous acid is neutralized with aqueous potassium bicarbonate, and the ethyl acetate phase is dried, filtered, and concentrated to a semi-solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09198921B2 |
| Source dataset | uspto-grants-2015_12 |
| ORD ID | ord-449508cd9d1747b0822772bfc28baaee |
| Source note | uspto-grants-2015_12 |