HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 22826492, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | HCID 22826493 | HCID 22826493 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 22826492 | HCID 22826492 | — |
Reaction Steps
Acetic anhydride (1.21 ml) was added to a solution of 2β,16β-di-(1-piperidinyl)-5α-androstan-17β-ol (3.77 g) in dry pyridine (75 ml) at 0°-5° C. and the solution was set aside at room temperature for 19 h. Saturated sodium carbonate solution (40 ml) was added to precipitate the product, which was filtered off and washed well with water (200 ml). A solution of the crude product in diethyl ether (50 ml) was washed with water (2×100 ml), dried (MgSO4) and concentrated to afford 2β,16β-di-(1-piperidinyl)-5α-androstan-17β-ol acetate (3.91 g), m.p. 156°-161° C.; [α]D +28.7° (c 0.47 in CHCl3).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04447425 |
| Source dataset | uspto-grants-1984_05 |
| ORD ID | ord-71aaea57b4cc48f8aff96e1647c5b2b7 |
| Source note | uspto-grants-1984_05 |