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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1467679Generated: October 31, 2026

Trifluoroacetic acid → 4-(8-(4-Formylphenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamide

https://huagongshe.com/reaction/1467679

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant4-(8-(4-(Diethoxymethyl)phenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamideHCID 136374670—
SolventAcetonitrileHCID 6342—
Product4-(8-(4-Formylphenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamideHCID 13634474891.2%

Reaction Steps

To a solution of 4-(8-(4-(diethoxymethyl)phenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamide (180 mg, 0.35 mmol) in acetonitrile (10 mL) was added trifluoroacetic acid (5 mL), stirred for 30 min, Then the mixture was evaporated under reduced pressure to get the title compound (140 mg, yield 91%). LC-MS (ESI) m/z: 439 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08999987B2
Source datasetuspto-grants-2015_04
ORD IDord-8b06b11b97ee48b1a4f8980195b2d5c7
Source noteuspto-grants-2015_04