82182-52-3 → HCID 22872544, compound

HRID 1779929Notes

Reaction equation

HRID 1779929 reaction equation
C([O:4][C@H:5]1[CH2:31][CH2:30][C@@:29]2([CH3:32])[C@@H:7]([CH2:8][CH2:9][C@@H:10]3[C@@H:28]2[C:27](=[O:33])[C@@H:26]([O:34]C(=O)C)[C@@:25]2([CH3:38])[C@H:11]3[CH2:12][C@@H:13]3[O:18][C@@:17]4([O:24][CH2:23][C@H:21]([CH3:22])[CH2:20][CH2:19]4)[C@@H:15]([CH3:16])[C@@H:14]32)[CH2:6]1)(=O)C.[H-].[Al+3].[Li+].[H-].[H-].[H-]>C1COCC1>[CH3:16][C@@H:15]1[C@:17]2([O:24][CH2:23][C@H:21]([CH3:22])[CH2:20][CH2:19]2)[O:18][C@H:13]2[CH2:12][C@@H:11]3[C@@:25]([CH3:38])([C@@H:14]12)[C@H:26]([OH:34])[C@H:27]([OH:33])[C@H:28]1[C@H:10]3[CH2:9][CH2:8][C@@H:7]2[C@:29]1([CH3:32])[CH2:30][CH2:31][C@H:5]([OH:4])[CH2:6]2

Participants

4

Reactant 2

HCID 25530082182-52-3HCID 21226445Aluminium lithium hydride

Product 1

HCID 22872544HCID 22872544, compound

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

(3β,5α,12β,25R)-3,12-di(acetoxy)spirostan-11-one (purchased from Steraloids, Inc., or see preparation G13) was converted into the title compound via reduction with lithium aluminum hydride in THF at room temperature according to the procedure described in J. Am. Chem. Soc., 1951, 73, 1777.

Sources & evidence

ORD record
ord-48264df19a93451b923b9386cb4dff43
Source dataset
uspto-grants-1997_05
Patent number
US05629295

Reaction notes

Loading…