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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 20428Generated: October 26, 2026

(2R,5R)-5-[(1S,2S)-2-Acetylamino-3-(3-benzyloxyphenyl)-1-hydroxypropyl]-2-(1-methyl-cyclopentylmethoxy)-morpholine-4-carboxylic acid tert-butyl ester → (2R,5R)-5-[(1S,2S)-2-Acetylamino-1-hydroxy-3-(3-hydroxyphenyl)-propyl]-2-(1-methylcyclopentylmethoxy)-morpholine-4-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/20428

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(2R,5R)-5-[(1S,2S)-2-Acetylamino-3-(3-benzyloxyphenyl)-1-hydroxypropyl]-2-(1-methyl-cyclopentylmethoxy)-morpholine-4-carboxylic acid tert-butyl esterHCID 68561840—
ReactantHCID 178418361HCID 178418361—
CatalystPalladium hydroxideHCID 9942167—
SolventMethanolHCID 887—
Product(2R,5R)-5-[(1S,2S)-2-Acetylamino-1-hydroxy-3-(3-hydroxyphenyl)-propyl]-2-(1-methylcyclopentylmethoxy)-morpholine-4-carboxylic acid tert-butyl esterHCID 6856266998.5%

Reaction Steps

Hydrogenate (2R,5R)-5-[(1S,2S)-2-Acetylamino-3-(3-benzyloxyphenyl)-1-hydroxypropyl]-2-(1-methylcyclopentylmethoxy)-morpholine-4-carboxylic acid tert-butyl ester (244 mg) in methanol (15 mL) with 20% palladium hydroxide on carbon (26 mg) at 50 psi hydrogen for 18 hours. Filter and concentrate to give the desired compound (204 mg). MS(ES): m/z=507 [M+H]

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07745438B2
Source datasetuspto-grants-2010_06
ORD IDord-3f30fb1c0fa74e61bd19f8a701e01af4
Source noteuspto-grants-2010_06