3-hydroxyindole-2-ketone compounds for antitumor medicaments
A technology of ketone compounds and anti-tumor drugs, which is applied in the field of 3-hydroxyindole-2-one compounds for anti-tumor drugs, can solve problems such as the inability to design small molecule inhibitors, and achieve the prevention of tumor growth and metastasis. , the effect of inhibiting proliferation, strong inhibitory effect
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Embodiment 1
[0062] Preparation of 1-methyl-3-hydroxy-3-[6-bromo-2,3-dihydroquinolin-4-one-3-yl]indol-2-one (I-1)
[0063] Dissolve 1-methyl-isatin (1.61 g, 10 mmol) and 6-bromo-2,3-dihydroquinolin-4-one (2.26 g, 10 mmol) in absolute ethanol (10 mL), and add three Ethylamine (0.5mL), the system was heated to 40°C, stirred and reacted for 2h, the precipitated solid was filtered with suction, washed with absolute ethanol (2 × 1mL), and dried in vacuo to obtain 2.78g of a yellow solid with a yield of 72%, m.p. 189~191°C. 1 H NMR (DMSO-d6, 300MHz) δ (ppm): 7.23~7.29(m, 4H), 7.17(d, J = 3.3 Hz, 1H), 6.94~6.99(m, 2H), 6.75(d, J= 8.4 Hz, 1H), 6.15(s, 1H), 3.70~3.91(m, 2H), 3.50-3.57(m, 1H), 3.10(s, 3H); ESI-MS m / z: 386.9 [M+H ] + ; Anal. calcd for C 18 h 15 BrN 2 o 3 (387.23): C55.83, H3.90, N7.23; found: C55.48, H4.10, N7.0.
Embodiment 2
[0065] Preparation of 1-methyl-3-hydroxy-3-[6-chloro-2,3-dihydroquinolin-4-one-3-yl]indol-2-one (I-2)
[0066] Dissolve 1-methyl-isatin (1.61 g, 10 mmol) and 6-chloro-2,3-dihydroquinolin-4-one (1.81 g, 10 mmol) in absolute ethanol (10 mL), and add three Ethylamine (0.5mL), the system was heated to 40°C, stirred for 2h, the precipitated solid was filtered with suction, washed with absolute ethanol (2 × 1mL), and dried in vacuo to obtain 2.56g of a yellow solid with a yield of 75%, m.p. 191~193°C. 1 H NMR (DMSO-d6, 300 MHz) δ (ppm): 7.23~7.28(m, 4H), 7.15(d, J = 3.3 Hz, 1H), 6.94~6.99(m, 2H), 6.75(d, J = 8.6 Hz, 1H), 6.14(s, H), 3.81~3.89(m, 1H), 3.75(t, J = 14.0 Hz, 1H), 3.50(dd, J = 6.1 and 14.1 Hz, 1H), 3.10 (s,3H); ESI-MS m / z: 365.1 [M+Na] + ; Anal. calcd for C 18 h 15 ClN 2 o 3 (342.78): C63.07, H4.41, N8.17; found: C63.04, H4.56, N7.9.
Embodiment 3
[0068] Preparation of 1-ethyl-3-hydroxy-3-[6-bromo-2,3-dihydroquinolin-4-one-3-yl]indol-2-one (I-3)
[0069] 1-Ethyl-isatin (1.75 g, 10 mmol) and 6-bromo-2,3-dihydroquinolin-4-one (2.26 g, 10 mmol) were dissolved in
[0070] Add triethylamine (0.5 mL) to absolute ethanol (10 mL), heat the system to 40 °C, stir for 2 h, filter the precipitated solid with suction, wash with absolute ethanol (2 × 1 mL), and dry in vacuo to obtain Yellow solid 2.84g, yield 71%, m.p. 202~205℃. 1 H NMR (DMSO-d 6 , 300 MHz) δ (ppm): 7.24~7.39(m, 5H), 7.00(d, J = 7.7 Hz, 1H), 6.88(t, J = 7.4 Hz, 1H), 6.74(d, J = 8.6 Hz , 1H), 6.24(s, 1H), 3.89~3.95(m, 1H), 3.62~3.78(m, 3H), 3.23~3.30(dd, 1H, J = 5.7 and 13.6 Hz, 1H), 1.22(s , J = 7.0 Hz, 3H); ESI-MS m / z: 401.0 [M+H] + ; Anal. calcd for C 19 h 17 BrN 2 o 3 (401.25): C56.87, H4.27, N6.98; found: C56.77, H3.94, N6.8.
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