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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1587612Generated: October 31, 2026

1alpha,3beta-Bis(methoxycarbonyloxy)pregna-5,7-diene-20-carbaldehyde → 1alpha,3beta-Diacetoxy-20-methylpregna-5,7-diene-21-ol

https://huagongshe.com/reaction/1587612

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1alpha,3beta-Bis(methoxycarbonyloxy)pregna-5,7-diene-20-carbaldehydeHCID 54367523—
Reactant1alpha,3beta-Diacetoxypregna-5,7-diene-20-carbaldehydeHCID 54379653—
Product1alpha,3beta-Diacetoxy-20-methylpregna-5,7-diene-21-olHCID 5390699983.5%

Reaction Steps

The procedure of Example 1 was repeated except that 93 mg of 1α,3β-diacetoxypregna-5,7-diene-20-carbaldehyde was used in lieu of 100 mg of 1α,3β-bis(methoxycarbonyloxy)pregna-5,7-diene-20-carbaldehyde to give 78 mg of 1α,3β-diacetoxy-20-methylpregna-5,7-diene-21-ol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05218109
Source datasetuspto-grants-1993_06
ORD IDord-36170db67f1545e6b7f6e780e421d63b
Source noteuspto-grants-1993_06