2-(4-methylphenyl)-1-phenylethanone

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: This reaction is carried out in the same manner as the reaction in example 3. The difference is that, the reactants are p-methylphenyl chloride (125.6 mg, 1.0 mmol), acetophenone (300.1 mg, 2.5 mmol), palladium cinnamyl chloride (7.8 mg, 0.015 mmol), 2-Methoxy-6-(N-methyl-N-phenyl-amino)phenyldicyclohexyl)phosphine (18.3 mg, 0.045 mmol), K3PO4:3H2O (665.8 mg, 2.5 mmol) in 3 mL dry toluene at 110° C. for 12 h. 2-(4′-Methylphenyl)-1-phenyl-1-ethanone (140.5 mg) was obtained with a yield of 67% as solid. m.p.: 95.8-96.1° C. (n-hexane); 1H NMR (300 MHz, CDCl3) δ 8.07-8.00 (m, 2H, ArH), 7.62-7.53 (m, 1H, ArH), 7.52-7.43 (m, 2H, ArH), 7.22-7.13 (m, 4H, ArH), 4.27 (s, 2H, CH2), 2.35 (s, 3H, CH3); 13C NMR (75 MHz, CDCl3) δ 197.7, 136.5, 136.3, 133.0, 131.3, 129.3, 129.2, 128.5, 45.0, 21.0; IR (KBr) v (cm−1) 3051, 3024, 2896, 1686, 1592, 1578, 1515, 1448, 1406, 1335, 1221, 1209, 1197, 1181; MS (70 eV, EI) m/z (%): 211 (M++1, 0.65), 210 (M+, 3.47), 105 (100). This reaction is carried out in the same manner as the reaction in example 3

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 1-phenyl-2-p-tolylethanone (2 g, 9.5 mmol) and dimethylformamide dimethylacetal (4.5 g, 38.1 mmol) in DMF (30 ml) was heated at 75° C. for 24 hours. Solvents were removed under high vacuum to obtain the title compound as a yellow oil, which was used directly in the next step without purification. Solvents were removed under high vacuum

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 1-phenyl-2-p-tolylethanone (2 g, 9.5 mmol) and dimethylformamide dimethylacetal (4.5 g, 38.1 mmol) in DMF (30 ml) was heated at 75° C. for 24 hours. Solvents were removed under high vacuum to obtain the title compound as a yellow oil, which was used directly in the next step without purification. Solvents were removed under high vacuum

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: This reaction is carried out in the same manner as the reaction in example 3. The difference is that, the reactants are p-methylphenyl chloride (125.6 mg, 1.0 mmol), acetophenone (300.1 mg, 2.5 mmol), palladium cinnamyl chloride (7.8 mg, 0.015 mmol), 2-Methoxy-6-(N-methyl-N-phenyl-amino)phenyldicyclohexyl)phosphine (18.3 mg, 0.045 mmol), K3PO4:3H2O (665.8 mg, 2.5 mmol) in 3 mL dry toluene at 110° C. for 12 h. 2-(4′-Methylphenyl)-1-phenyl-1-ethanone (140.5 mg) was obtained with a yield of 67% as solid. m.p.: 95.8-96.1° C. (n-hexane); 1H NMR (300 MHz, CDCl3) δ 8.07-8.00 (m, 2H, ArH), 7.62-7.53 (m, 1H, ArH), 7.52-7.43 (m, 2H, ArH), 7.22-7.13 (m, 4H, ArH), 4.27 (s, 2H, CH2), 2.35 (s, 3H, CH3); 13C NMR (75 MHz, CDCl3) δ 197.7, 136.5, 136.3, 133.0, 131.3, 129.3, 129.2, 128.5, 45.0, 21.0; IR (KBr) v (cm−1) 3051, 3024, 2896, 1686, 1592, 1578, 1515, 1448, 1406, 1335, 1221, 1209, 1197, 1181; MS (70 eV, EI) m/z (%): 211 (M++1, 0.65), 210 (M+, 3.47), 105 (100). This reaction is carried out in the same manner as the reaction in example 3

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: To a solution of 1-phenyl-2-p-tolylethanone (70 mg, 0.33 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (65 mg, 0.33 mmol) and urea (60 mg, 1.0 mmol) in 20 mL of ethanol was added 0.2 mL of concentrated HCl, the mixture was stirred at reflux for 2 days. After the solvent was removed under reduced pressure, the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.) to give Compound 14 (21 mg, yield 14.9%). 1H NMR (DMSO-d6 400 MHz TMS): δ 10.30 (s, 1H), 8.67 (s, 1H), 7.52 (s, 1H), 7.44 (s, 1H), 7.26-7.19 (m, 6H), 6.85-6.70 (m, 4H), 5.16 (s, 1H), 4.05 (s, 2H), 2.12 (s, 3H), 1.33 (t, J=6.4 Hz, 3H); MS (ESI): m/z 446.0 [M+1]+. at reflux for 2 days After the solvent was removed under reduced pressure the residue was purified by reverse-phase preparatory HPLC (26-53% acetonitrile+0.1% trifluoroacetic acid in water+0.1% trifluoroacetic acid, over 15 min.)

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of 1-phenyl-2-p-tolylethanone (2 g, 9.5 mmol) and dimethylformamide dimethylacetal (4.5 g, 38.1 mmol) in DMF (30 ml) was heated at 75° C. for 24 hours. Solvents were removed under high vacuum to obtain the title compound as a yellow oil, which was used directly in the next step without purification. Solvents were removed under high vacuum