HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol hydrochloride → HCID 69410776, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol hydrochloride | HCID 21887872 | — |
| Reactant | HCID 69412184 | HCID 69412184 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Solvent | Acetic Anhydride | HCID 7918 | — |
| Product | HCID 69410776 | HCID 69410776 | — |
Reaction Steps
3β-tert-Butyldimethylsilyloxy-4,4-dimethyl-24-amino-5α-chola-8,14-diene (0.50 g) is acetylated in a mixture of 20 ml of pyridine and 7 ml of acetic anhydride and hydrolysed with HCl/ethanol. After aqueous work-up and crystallisation from ethanol/water, the title compound (0.24 g) is isolated. Melting point: 219-221° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06884796B2 |
| Source dataset | uspto-grants-2005_04 |
| ORD ID | ord-8bca2c67b7694c1ba9b05915043cb57e |
| Source note | uspto-grants-2005_04 |