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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 326153Generated: October 29, 2026

Acetic Acid → HCID 13187315, compound

https://huagongshe.com/reaction/326153

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantPotassium CarbonateHCID 11430—
ReactantSodiumHCID 5360545—
Reactant(3α)-3-Aminopregn-5-en-20-oneHCID 12310548—
SolventWaterHCID 962—
Solvent1-PropanolHCID 1031—
ProductHCID 13187315HCID 1318731559.6%

Reaction Steps

To a refluxing 100 ml of propanol were simultaneously added, over a period of 20 minutes, in small portions 5 g of sodium and a solution of 5 g of holamine in 5 ml of propanol while continuing reflux. After 1 hour and 25 minutes, the temperature was returned to ambient, the mixture chilled and acidified with acetic acid to pH 6. The pH raised to pH 8 with potassium carbonate and the mixture was diluted with 500 ml of water, partially evaporated, 300 ml of water were added and the mixture was allowed to crystallize for 24 hours in the refrigerator. The filtered crystals were washed in water and dissolved in 10 ml of methylene chloride to which was added 50 ml of ethyl acetate and 30 ml of isopropyl ether. The methylene chloride was evaporated and the product allowed to crystallize during 16 hours in the refrigerator. 3 g of 3α-amino pregn-5-ene- 20-ol was obtained melting at 160°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04444767
Source datasetuspto-grants-1984_04
ORD IDord-1b7aeb12516c48dd949390b450a55e48
Source noteuspto-grants-1984_04