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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1742854Generated: October 27, 2026

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid → 1-Cyclopropyl-6-fluoro-1,4-dihydro-7-[3-[4-[(methylamino) methyl]phenyl]-1-pyrrolidinyl]-4-oxo-3-quinolinecarboxylic acid

https://huagongshe.com/reaction/1742854

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 5210422—
ReactantN-methyl-4-(3-pyrrolidinyl)benzenemethanamineHCID 15288435—
Product1-Cyclopropyl-6-fluoro-1,4-dihydro-7-[3-[4-[(methylamino) methyl]phenyl]-1-pyrrolidinyl]-4-oxo-3-quinolinecarboxylic acidHCID 1528843685%

Reaction Steps

Starting from 1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid (0.80 g, 3.0 mmol) and N-methyl-4-(3-pyrrolidinyl)benzenemethanamine, a procedure analogous to that given in Example 1 provided the title compound (1.11 g, 85%) as an off-white solid, mp 235°-237° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05342844
Source datasetuspto-grants-1994_08
ORD IDord-590364765b6c42c189f3e5bbec99649e
Source noteuspto-grants-1994_08