Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 591873Generated: October 25, 2026

(R)-4-((3R,5R,8S,9S,10R,13R,14S,17R,Z)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid → (R)-4-((3R,5S,6R,8S,9S,10S,13R,14S,17R)-6-ethyl-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid

https://huagongshe.com/reaction/591873

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-4-((3R,5R,8S,9S,10R,13R,14S,17R,Z)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acidHCID 86706181—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
Product(R)-4-((3R,5S,6R,8S,9S,10S,13R,14S,17R)-6-ethyl-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acidHCID 67102585—

Reaction Steps

reacting E/Z-3α-hydroxy-6-ethylidene-7-keto-5β-cholan-24-oic acid (5A) with Pd/C and hydrogen gas to form 3α-hydroxy-6α-ethyl-7-keto-5β-cholan-24-oic acid (6),

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09238673B2
Source datasetuspto-grants-2016_01
ORD IDord-599ccd2312354dc2be94d59ce686f926
Source noteuspto-grants-2016_01