2-AMINO-4,6-DICHLOROPHENOL

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A mixture of 4,6-dichloro-2-nitrophenol(1 g, 4.8 mmol) and tin (II) chloride (3.2 g, 14.4 mmol) in ethanol(50 ml) was heated at 80° C. under argon. After 2 hours, the starting material had disappeared and the solution was allowed to cool down and then poured into ice. The pH was made slightly basic (pH7-8), by addition of solid NaOH, before being extracted with ethyl acetate. The organic phase was washed with brine, dried over MgSO4 and filtered. The solvent was evaporated and chromatography of the resulting solid on silica gel (4% MeOH/CH2Cl2) gave the desired product(685 mg, 80%). 1H NMR (CD3OD): d 6.75 (s,1H), 6.61 (s, 1H). to cool down poured into ice before being extracted with ethyl acetate The organic phase was washed with brine dried over MgSO4 filtered The solvent was evaporated

反応条件: temp:0.00; pressure:0.00; stir:

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

実験手順: When 2-amino-6-chlorophenol and 2-amino-4,6-dichlorophenol are used in place of o-aminophenol and when p-toluyl chloride is used in place of 3-fluoro-p-toluyl chloride in the above example, there is obtained 3'-chloro-2'-hydroxy-p-toluanilide and 3',5'-dichloro-2'-hydroxy-p-toluanilide, respectively.

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

実験手順: When 2-amino-6-chlorophenol and 2-amino-4,6-dichlorophenol are used in place of o-aminophenol and when p-toluyl chloride is used in place of 3-fluoro-p-toluyl chloride in the above example, there is obtained 3'-chloro-2'-hydroxy-p-toluanilide and 3',5'-dichloro-2'-hydroxy-p-toluanilide, respectively.

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

実験手順: 2-amino-4,6-dichlorophenol was prepared from 2,4-dichloro-6-nitrophenol (0.625 g, 2.40 mmol) in a manner similar to that described for 2-amino-6-chlorophenol. The compound was formed as a black solid (0.044 g, 10%). RP-HPLC (25 to 100% CH3CN in 0.1 N aqueous ammonium acetate over 10 min at 1 mL/min using a Hypersil HS C18, 100 Å, 5 μm, 250×4.6 mm column) tr=9.033 min., 74%; m/z 177 (MH+).

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

実験手順: 2-amino-4,6-dichlorophenol was prepared from 2,4-dichloro-6-nitrophenol (0.625 g, 2.40 mmol) in a manner similar to that described for 2-amino-6-chlorophenol. The compound was formed as a black solid (0.044 g, 10%). RP-HPLC (25 to 100% CH3CN in 0.1 N aqueous ammonium acetate over 10 min at 1 mL/min using a Hypersil HS C18, 100 Å, 5 μm, 250×4.6 mm column) tr=9.033 min., 74%; m/z 177 (MH+).

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

実験手順: Cis-N2-(4-{4-amino-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}phenyl)-5,7-dichloro-1,3-benzoxazol-2-amine was prepared from cis-3-(4-aminophenyl)-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine (0.100 g, 0.245 mmol) and 2-amino-4,6-dichlorophenol (0.044 g, 0.245 mmol) in a manner similar to that used in the synthesis of cis-N2-(4-{4-amino-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}phenyl)-4-methyl-1,3-benzoxazol-2-amine (PH4042235). The compound was formed as an off-white solid (0.008 g, 6%): RP-HPLC (25 to 100% CH3CN in 0.1 N aqueous ammonium acetate over 10 min at 1 mL/min using a Hypersil HS C18, 100 Å, 5 μm, 250×4.6 mm column) tr=8.93 min., 95%; m/z 594 (MH+).

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

実験手順: Prepared by the method of Example 15a), from 2-amino-4,6-dichlorophenol (409 mg, 2.3 mmol) and 2-fluoro-5-nitrobenzoyl chloride (468 mg, 2.3 mmol) the subtitle compound was obtained. The product was used directly in the next step without purification.

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

実験手順: Prepared by the method of Example 15a), from 2-amino-4,6-dichlorophenol (409 mg, 2.3 mmol) and 2-fluoro-5-nitrobenzoyl chloride (468 mg, 2.3 mmol) the subtitle compound was obtained. The product was used directly in the next step without purification.

反応条件: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A mixture of 4,6-dichloro-2-nitrophenol(1 g, 4.8 mmol) and tin (II) chloride (3.2 g, 14.4 mmol) in ethanol(50 mL) was heated at 80° C. under argon. After 2 hours, the starting material had disappeared and the solution was allowed to cool down and then poured into ice. The pH was made slightly basic (pH7-8), by addition of solid NaOH, before being extracted with ethyl acetate. The organic phase was washed with brine, dried over MgSO4 and filtered. The solvent was evaporated and chromatography of the resulting solid on silica gel (4%MeOH/CH2Cl2) gave the desired product(685 mg, 80%). 1H NMR (CD3OD): δ 6.75 (s,1H), 6.61 (s, 1H). to cool down poured into ice before being extracted with ethyl acetate The organic phase was washed with brine dried over MgSO4 filtered The solvent was evaporated