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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2108813Generated: October 29, 2026

7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid → 7-[(3S,4S)-3-cyclopropylaminomethyl-4-fluoro-1-pyrrolidinyl]-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid

https://huagongshe.com/reaction/2108813

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-Chloro-1-(2,4-difluorophenyl)-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acidHCID 10546084—
ReactantN-(((3R,4S)-4-Fluoropyrrolidin-3-yl)methyl)cyclopropanamineHCID 11147857—
Product7-[(3S,4S)-3-cyclopropylaminomethyl-4-fluoro-1-pyrrolidinyl]-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acidHCID 6670478748%

Reaction Steps

Using 7-chloro-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid (355 mg) and (3R,4S)-3-cyclopropylaminomethyl-4-fluoropyrrolidine (190 mg), the same procedure was followed as in Example 23 to give 7-[(3S,4S)-3-cyclopropylaminomethyl-4-fluoro-1-pyrrolidinyl]-6-fluoro-1-(2,4-difluorophenyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid as a pale yellow powder (229 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07514451B2
Source datasetuspto-grants-2009_04
ORD IDord-b26261fca54e48a4b990a89567106ffc
Source noteuspto-grants-2009_04