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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1534818Generated: November 2, 2026

1,8-Diazabicyclo(5.4.0)undec-7-ene → HCID 19908258, compound

https://huagongshe.com/reaction/1534818

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
Reactant1-Cyclopropyl-5,6,7,8-tetrafluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 13825515—
Reactant1,2,3,4,5,6-Hexahydropyrrolo[3,4-c]pyrrole dihydrobromideHCID 23282849—
SolventAcetonitrileHCID 6342—
ProductHCID 19908258HCID 1990825874.4%

Reaction Steps

0.6 g of 1-cyclopropyl-5,6,7,8-tetrafluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 1,2 g of 3,7-diazabicyclo[3.3.0]oct-1(5)-ene dihydrobromide and 1.3 ml of 1,8diazabicyclo[5.4.0]undec-7-ene (DBU) were suspended in 32 ml of acetonitrile and the suspension was refluxed for 10 hours. The reaction mixture was kept overnight at room temperature. The produced precipitate was filtered and washed with ethanol. 0.58 g of the titled compound was obtained (yield 74%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05091384
Source datasetuspto-grants-1992_02
ORD IDord-365c3758552840258c9eb4a08185c1ed
Source noteuspto-grants-1992_02