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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 345851Generated: October 25, 2026

8-Chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid → 8-Chloro-1-cyclopropyl-7-(trans-3-ethylamino-4-methylthio-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

https://huagongshe.com/reaction/345851

Reaction equation

Participants

RoleNameHCIDCharge
Reactant8-Chloro-1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 9835941—
Reactanttrans-3-Ethylamino-4-methylthio-pyrrolidineHCID 15069979—
Product8-Chloro-1-cyclopropyl-7-(trans-3-ethylamino-4-methylthio-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acidHCID 15070082—

Reaction Steps

The reaction is carried out analogously to Example 13 with trans-3-ethylamino-4-methylthio-pyrrolidine and 8-chloro-1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid to give 8-chloro-1-cyclopropyl-7-(trans-3-ethylamino-4-methylthio-1-pyrrolidinyl)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, melting point: 217°-218° C. (with decomposition).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05059597
Source datasetuspto-grants-1991_10
ORD IDord-9660a51c2ce748edac62f8e6e30d6c86
Source noteuspto-grants-1991_10