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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494779Generated: October 31, 2026

1,8-Diazabicyclo(5.4.0)undec-7-ene → 7-(4-Nitro-2-isoindolinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

https://huagongshe.com/reaction/1494779

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
Reactant1-Cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 5210422—
Reactant4-Nitroisoindoline hydrobromideHCID 19828497—
SolventDimethylformamideHCID 6228—
Product7-(4-Nitro-2-isoindolinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidHCID 1479579433.4%

Reaction Steps

159 mg of 1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 176 mg of 4-nitroisoindoline hydrobromide, 164 mg of DBU, and 1.5 ml of anhydrous DMF were processed in the same manner as in Example 20 to produce 82 mg of the target compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026856
Source datasetuspto-grants-1991_06
ORD IDord-c1449bd8a7af4babb42aa57ee193564c
Source noteuspto-grants-1991_06