HuagongsheHuagongshe Chemistry Print Report · For research reference only
Tetrahydro-2-(2-propynyloxy)-2H-pyran → (8R,9S,10R,13S,14S,17S)-13-methyl-1,2,3,6,7,8,9,10,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-ol
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Tetrahydro-2-(2-propynyloxy)-2H-pyran | HCID 98609 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | (8R,9S,10R,13S,14S,17S)-13-methyl-1,2,3,6,7,8,9,10,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-ol | HCID 252818 | — |
Reaction Steps
As described under 3D, 460 mg of 7G is produced from 442 mg of 7F with 1.30 ml of 2-(2-propinyloxy)tetrahydro-2H-pyrane and 5.36 ml of a 15% solution of butyllithium in hexane in 70 ml of tetrahydrofuran.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05843933 |
| Source dataset | uspto-grants-1998_12 |
| ORD ID | ord-ecc16c4dff1d4f36a5d1ad72eeb9dd95 |
| Source note | uspto-grants-1998_12 |