(6-Methoxypyridin-3-yl)boronic acid → 1'-[(5-chloro-2-thienyl)methyl]-5-(6-methoxypyridin-3-yl)spiro[1-benzofuran-3,3'-indol]-2'(1'H)-one
Reaktionsgleichung
[CH3:1][O:2][C:3]1[N:8]=[CH:7][C:6](B(O)O)=[CH:5][CH:4]=1.CN(C)C1N=CC(B(O)O)=CC=1.Br[C:25]1[CH:26]=[CH:27][C:28]2[O:49][CH2:48][C:31]3([C:39]4[C:34](=[CH:35][CH:36]=[CH:37][CH:38]=4)[N:33]([CH2:40][C:41]4[S:42][C:43]([Cl:46])=[CH:44][CH:45]=4)[C:32]3=[O:47])[C:29]=2[CH:30]=1.BrC1C=CC=C2C=1C1(C3=CC4OCOC=4C=C3OC1)C(=O)N2CC1SC(Cl)=CC=1>>[Cl:46][C:43]1[S:42][C:41]([CH2:40][N:33]2[C:34]3[C:39](=[CH:38][CH:37]=[CH:36][CH:35]=3)[C:31]3([C:29]4[CH:30]=[C:25]([C:6]5[CH:7]=[N:8][C:3]([O:2][CH3:1])=[CH:4][CH:5]=5)[CH:26]=[CH:27][C:28]=4[O:49][CH2:48]3)[C:32]2=[O:47])=[CH:45][CH:44]=1Komponenten
Edukt 4
Produkt 1
Versuchsvorschrift
Following the procedure as described in EXAMPLE 16.12 and making non-critical variations using (6-methoxypyridin-3-yl)boronic acid to replace 6-(dimethylamino)pyridin-3-ylboronic acid, and 5-bromo-1′-[(5-chloro-2-thienyl)methyl]spiro[1-benzofuran-3,3′-indol]-2′(1′H)-one to replace 4′-bromo-1′-[(5-chloro-2-thienyl)methyl]spiro[furo[2,3-f][1,3]benzodioxole-7,3′-indol]-2′(1′H)-one, 1′-[(5-chloro-2-thienyl)methyl]-5-(6-methoxypyridin-3-yl)spiro[1-benzofuran-3,3′-indol]-2′(1′H)-one was obtained (20%) as a colorless solid: mp 60-62° C.; 1H NMR (300 MHz, CDCl3) 8.16 (d, J=2.5 Hz, 1H), 7.54 (dd, J=8.6, 2.2 Hz, 1H), 7.35 (dd, J=8.4, 1.6 Hz, 1H), 7.27 (t, J=7.7 Hz, 1H), 7.17 (d, J=7.3 Hz, 1H), 7.07-6.98 (m, 2H), 6.95 (d, J=7.8 Hz, 1H), 6.88 (d, J=2.2 Hz, 1H), 6.69 (d, J=8.6 Hz, 1H), 5.12 (d, J=15.8 Hz, 1H), 5.00 (d, J=9.2 Hz, 1H), 4.91 (d, J=15.8 Hz, 1H), 4.73 (d, J=9.2 Hz, 1H), 3.89 (s, 3H); 13C NMR (75 MHz, CDCl3) 176.9, 163.2, 160.3, 144.5, 141.3, 137.2, 136.9, 132.2, 131.7, 130.1, 129.8, 129.6, 129.1, 128.5, 126.4, 126.0, 124.1, 123.9, 121.7, 110.9, 110.6, 109.0, 79.7, 60.4, 58.0, 53.5, 39.2; MS (ES+) 475.5 (M+1) 477.5 (M+1).
Quellen und Nachweise
- ORD-Eintrag
- ord-27a3115231f241fda4545ca3dda00026
- Quelldatensatz
- uspto-grants-2012_09
- Patentnummer
- US08263606B2
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