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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
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | Tetrahydro-2-(2-propynyloxy)-2H-pyran | HCID 98609 | — |
| 反応物 | Butyllithium | HCID 178418339 | — |
| 溶媒 | Tetrahydrofuran | HCID 8028 | — |
| 溶媒 | Hexane | HCID 8058 | — |
| 生成物 | (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 | — |
反応手順
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.
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US05728689 |
| 出典データセット | uspto-grants-1998_03 |
| ORD ID | ord-dda6f0d331b14af09fea8960240ce219 |
| 出典メモ | uspto-grants-1998_03 |