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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1837122Generated: November 3, 2026

Ethanol → HCID 69904879, compound

https://huagongshe.com/reaction/1837122

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantP-ToluenesulfonylhydrazideHCID 15303—
Reactant2beta-Isopropoxy-3alpha-hydroxy-5alpha-androstan-17-oneHCID 69905723—
SolventDichloromethaneHCID 6344—
ProductHCID 69904879HCID 69904879107.7%

Reaction Steps

To a mixture of 2β-isopropoxy-3α-hydroxy-5α-androstan-17-one (700 mg, 2.0 mmol) and p-toluenesulfonhydrazide (450 mg, 2.4 mmol) was added ethanol (2 mL) and the mixture obtained was heated to reflux for 12 h. Then the reaction mixture was dissolved in CH2Cl2 (150 mL) and washed with water (4×45 mL). It was then dried over Na2SO4 and removal of the solvent in vacuo resulted in the crude 2β-isopropoxy-3α-hydroxy-5α-androstan-17-one tosylhydrazone (1.113 g), which was used without further purification for the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06780853B1
Source datasetuspto-grants-2004_08
ORD IDord-f84cd5a102654db4a56fd0edd34fb564
Source noteuspto-grants-2004_08