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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1973726Generated: November 1, 2026

HCID 86734295, compound → 21-Formyl-3alpha-hydroxy-5alpha-pregnane-11,20-dione

https://huagongshe.com/reaction/1973726

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 86734295HCID 86734295—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
Product21-Formyl-3alpha-hydroxy-5alpha-pregnane-11,20-dioneHCID 8673429449.5%

Reaction Steps

A solution of 3α-hydroxy-21-dimethoxymethyl-5α-pregnane-11,20-dione (900 mg.) in glacial acetic acid (13 ml) and water (1.3 ml) was stirred at 75° C for 6 hours, then poured into a mixture of ice and water. The product was collected, washed with water and dried in vacuo to give title compound (395 mg), [α]D + 100.5° (c, 0.4), λmax. 268 nm (ε 6,325).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS03998829
Source datasetuspto-grants-1976_12
ORD IDord-f311816e0b2f450b9974ec227fe8794c
Source noteuspto-grants-1976_12