3-Ethylphenyl isocyanate → 1-Cyclopentyl-3-(3-ethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione

HRID 533068Notes

Reaction equation

HRID 533068 reaction equation
C(O[C:4]([C:6]1[CH:7]=[N:8][C:9]2[C:14]([C:15]=1[NH:16][CH:17]1[CH2:21][CH2:20][CH2:19][CH2:18]1)=[CH:13][CH:12]=[CH:11][C:10]=2[O:22][CH3:23])=[O:5])C.[CH2:24]([C:26]1[CH:31]=[CH:30][CH:29]=[C:28]([N:32]=[C:33]=[O:34])[CH:27]=1)[CH3:25]>>[CH:17]1([N:16]2[C:15]3[C:14]4[CH:13]=[CH:12][CH:11]=[C:10]([O:22][CH3:23])[C:9]=4[N:8]=[CH:7][C:6]=3[C:4](=[O:5])[N:32]([C:28]3[CH:29]=[CH:30][CH:31]=[C:26]([CH2:24][CH3:25])[CH:27]=3)[C:33]2=[O:34])[CH2:18][CH2:19][CH2:20][CH2:21]1

Participants

3

Reactant 2

HCID 27696373-Ethylphenyl isocyanateHCID 672497184-Cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester

Product 1

HCID 583294041-Cyclopentyl-3-(3-ethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dioneYield 66.9%

Procedure

1-Cyclopentyl-3-(3-ethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione (89 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.32 mmol) and 1-ethyl-3-isocyanato-benzene (0.48 mmol) following general procedure C. LCMS: m/z 416 [M+1]+.

Sources & evidence

ORD record
ord-58d24684ad894a97a8e9ddb7cbcb3388
Source dataset
uspto-grants-2014_10
Patent number
US08853226B2

Reaction notes

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