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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1644315Generated: November 1, 2026

Methyl(3R,4R)-4-{[(benzyloxy)carbonyl]amino}-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylate → Methyl (3R,4R)-4-amino-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylate

https://huagongshe.com/reaction/1644315

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl(3R,4R)-4-{[(benzyloxy)carbonyl]amino}-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylateHCID 66773321—
ReactantMethyl (3S,4R)-4-amino-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylateHCID 66775175—
ProductMethyl (3R,4R)-4-amino-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylateHCID 66774891—

Reaction Steps

Methyl(3R,4R)-4-{[(benzyloxy)carbonyl]amino}-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylate (Intermediate 39) (535 mg, 1.07 mmol) was hydrogenated as described for Intermediate 34 to give 391 mg (quantitative) of the product as a colorless hard foam.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08124602B2
Source datasetuspto-grants-2012_02
ORD IDord-4add76d0619045b2800e3bca31247635
Source noteuspto-grants-2012_02