Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1534657Generated: November 2, 2026

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

https://huagongshe.com/reaction/1534657

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 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) were suspended in 20 ml of acetonitrile, and then the reaction mixture was refluxed for 10 hours. This reaction mixture was kept overnight at the room temperature, and the produced precipitate was filtered and then the residue was washed with ethanol to obtain 0.58 g the title compound (yield 74%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05089621
Source datasetuspto-grants-1992_02
ORD IDord-30ebb539c8f8440f8f0779760f4e43b4
Source noteuspto-grants-1992_02