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

HRID 1467679Notes

Reaction equation

HRID 1467679 reaction equation
C([O:3][CH:4](OCC)[C:5]1[CH:10]=[CH:9][C:8]([CH:11]2[NH:23][C:21]3[C:22]4[C:13](=[N:14][NH:15][C:16](=[O:24])[C:17]=4[CH:18]=[CH:19][CH:20]=3)[CH:12]2[C:25]2[CH:35]=[CH:34][C:28]([C:29]([N:31]([CH3:33])[CH3:32])=[O:30])=[CH:27][CH:26]=2)=[CH:7][CH:6]=1)C.FC(F)(F)C(O)=O>C(#N)C>[CH:4]([C:5]1[CH:6]=[CH:7][C:8]([CH:11]2[NH:23][C:21]3[C:22]4[C:13](=[N:14][NH:15][C:16](=[O:24])[C:17]=4[CH:18]=[CH:19][CH:20]=3)[CH:12]2[C:25]2[CH:26]=[CH:27][C:28]([C:29]([N:31]([CH3:33])[CH3:32])=[O:30])=[CH:34][CH:35]=2)=[CH:9][CH:10]=1)=[O:3]

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 1363746704-(8-(4-(Diethoxymethyl)phenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamide

Product 1

HCID 1363447484-(8-(4-Formylphenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-9-yl)-N,N-dimethylbenzamideYield 91.2%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

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)+.

Workup

  1. customthe mixture was evaporated under reduced pressure

Sources & evidence

ORD record
ord-8b06b11b97ee48b1a4f8980195b2d5c7
Source dataset
uspto-grants-2015_04
Patent number
US08999987B2

Reaction notes

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