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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1685205Generated: October 29, 2026

1,8-Diazabicyclo(5.4.0)undec-7-ene → HCID 59322396, compound

https://huagongshe.com/reaction/1685205

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
ReactantHCID 67265197HCID 67265197—
ReactantHCID 86641620HCID 86641620—
SolventIsopropanolHCID 3776—
ProductHCID 59322396HCID 5932239613.5%

Reaction Steps

Combine 4-[4-(3-Chloro-4-fluoro-phenyl)-1-(2-pyrrolidin-1-yl-ethyl)-1H-imidazol-2-yl]-piperidine tris hydrochloride (0.3 g; 0.00062 mol), 4-chloro-5,5-dimethyl-5,7-dihydro-pyrrolo[2,3-d]pyrimidin-6-one (0.16 g; 0.0008 mol), 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU, 0.76 mL; 0.0051 mol) into IPA (10 mL) and stir at 120° C. for 16 h; cool and concentrate. Quench the reaction with saturated sodium bicarbonate solution and extract with EA. Evaporate the EA layer and purify by column chromatography using 0-5% MeOH/DCM as eluent to afford the title compound (0.045 g; 13.5%). MS (ES+): m/z=538 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08148387B2
Source datasetuspto-grants-2012_04
ORD IDord-a9989efe2b80445c808738b186a31316
Source noteuspto-grants-2012_04