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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494773Generated: October 30, 2026

1,8-Diazabicyclo(5.4.0)undec-7-ene → 7-(4-Chloro-2-isoindolinyl)-1-cyclopropyl-5-(2-hydroxyethylamino)-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

https://huagongshe.com/reaction/1494773

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
Reactant4-Chloro-2,3-dihydro-1H-isoindoleHCID 14795868—
Reactant1-Cyclopropyl-5(2-hydroxyethylamino)-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 19828486—
SolventDimethylformamideHCID 6228—
Product7-(4-Chloro-2-isoindolinyl)-1-cyclopropyl-5-(2-hydroxyethylamino)-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 1479579135.1%

Reaction Steps

205 mg of 1-cyclopropyl-5-(2-hydroxyethylamino)-6,7,8- trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 101 mg of 4-chloroisoindoline, 182 mg of DBU, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 20 to produce 100 mg of the target compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026856
Source datasetuspto-grants-1991_06
ORD IDord-de398c9117fd4f8a8adfbafd6b7e89c8
Source noteuspto-grants-1991_06