Triethyl phosphonoacetate → (E)-ethyl 3-(5-amino-2-(4-methoxy-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)acrylate
Reaction equation
[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][C:15]=3[CH3:22])=[CH:7][C:6]=2[C:5]2[CH:23]=[CH:24][C:25]([CH:27]=O)=[CH:26][C:4]=2[N:3]=1.C(OP([CH2:37][C:38]([O:40][CH2:41][CH3:42])=[O:39])(OCC)=O)C>>[NH2:1][C:2]1[C:11]2[N:10]=[CH:9][C:8]([CH2:12][CH2:13][C:14]3[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][C:15]=3[CH3:22])=[CH:7][C:6]=2[C:5]2[CH:23]=[CH:24][C:25](/[CH:27]=[CH:37]/[C:38]([O:40][CH2:41][CH3:42])=[O:39])=[CH:26][C:4]=2[N:3]=1Participants
3
Procedure
(E)-ethyl 3-(5-amino-2-(4-methoxy-2-methylphenethyl)benzo[f][1,7]naphthyridin-8-yl)acrylate was prepared from 5-amino-2-(4-methoxy-2-methylphenethyl)benzo[f][1,7]naphthyridine-8-carbaldehyde (from Example 69) and ethyl 2-(diethoxyphosphoryl)acetate (commercially available) following the procedures described for Example 65/Step 3. LRMS [M+H]=442.2
Sources & evidence
- ORD record
- ord-6e519047487c49bdbfb449e82ad9db2e
- Source dataset
- uspto-grants-2014_11
- Patent number
- US08895577B2
Reaction notes
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