Ethyl 5-(4-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylate → HCID 58043089, Verbindung
Reaktionsgleichung
CS([O:5][CH:6]1CN(C(C2OC(C3C=CC=CC=3)=NN=2)=O)C1)(=O)=O.C[C:24]1[CH:31]=[C:30]([O:32][CH:33]2[CH2:36][N:35]([C:37]([C:39]3[O:40][C:41]([C:44]4[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=4)=[N:42][N:43]=3)=[O:38])[CH2:34]2)[CH:29]=[CH:28][C:25]=1[CH:26]=[O:27].COC1C=CC(C2OC(C(OCC)=O)=NN=2)=CC=1>>[CH3:6][O:5][C:47]1[CH:48]=[CH:49][C:44]([C:41]2[O:40][C:39]([C:37]([N:35]3[CH2:34][CH:33]([O:32][C:30]4[CH:29]=[CH:28][C:25]([CH:26]=[O:27])=[CH:24][CH:31]=4)[CH2:36]3)=[O:38])=[N:43][N:42]=2)=[CH:45][CH:46]=1Komponenten
4
Versuchsvorschrift
Using similar protocols as described in Example 53A, 53B and 53C employing ethyl 5-(4-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylate as starting material afforded 0.47 g (32%) of 55A as a solid. 1H NMR (500 MHz, CDCl3): δ 3.89 (s, 3H), 4.36 (d, 1H), 4.70 (dd, 1H), 4.79 (m, 1H), 5.18 (m, 2H), 6.91 (d, 2H), 7.03 (d, 2H), 7.88 (d, 2H), 8.10 (d, 2H), 9.93 (s, 1H), MS (APCI+) m/z 380 [M+H]+.
Quellen und Nachweise
- ORD-Eintrag
- ord-df25f0b5774248ada475bbad87cefee2
- Quelldatensatz
- uspto-grants-2013_10
- Patentnummer
- US08546375B2
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