2,6-difluoro-N-(2-methylpropyl)aniline

Conditions: temp:190.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 2,6-difluoroaniline (387 mg, 3 mmol), potassium iodide (996 mg, 6.00 mmol) and [Cp*IrCl2]2 (33.1 mg, 0.030 mmol) were dissolved in 2-methyl-1-propanol (3 mL, 32.4 mmol). The resulting mixture was heated by microwaves to 190° C. for 8 hours. To the reaction mixture was added dichloromethane (10 mL) and water (10 mL) and the organic phase separated (hydrophobic frit). Diethyl ether was added and the solution filtered through a silica cartridge (10 g) eluting with further diethyl ether. The filtrate was evaporated in vacuo, then purified by flash silica (Si) chromatography (using a 0-100% dichloromethane-cyclohexane gradient). The appropriate fractions were combined and concentrated to give the title product (80 mg) as a colourless oil. LCMS (M+1) 186, RT 1.26 mins. the organic phase separated (hydrophobic frit) Diethyl ether was added the solution filtered through a silica cartridge (10 g) eluting with further diethyl ether The filtrate was evaporated in vacuo purified by flash silica (Si) chromatography ( concentrated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of (2,6-difluorophenyl)(2-methylpropyl)amine (80 mg, 0.432 mmol) in pyridine (1 mL) was added 4-{[(3,5-dimethyl-4-isoxazolyl)methyl]oxy}benzenesulfonyl chloride (156 mg, 0.518 mmol) and the reaction stood at room temperature, in air, for 16 hours. The solvent was removed in vacuo and the crude then passed through a sulfonic acid (SCX) SPE (solid phase extraction) cartridge eluting with methanol followed by 2M ammonia/methanol solution. The product-containing fractions were concentrated in vacuo and the crude then passed through an aminopropyl (NH2) SPE cartridge eluting with methanol followed by 2M ammonia/methanol solution. The appropriate fractions were combined and concentrated in vacuo, then further purified by MDAP (Method F) to give the required product, 0.6 mg. LCMS (M+18) 468, RT 1.28 mins. The solvent was removed in vacuo the crude then passed through a sulfonic acid (SCX) SPE (solid phase extraction) cartridge eluting with methanol The product-containing fractions were concentrated in vacuo eluting with methanol concentrated in vacuo further purified by MDAP (Method F)