difluoro(iodo)methane

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

Procedure: Was prepared from stirred a mixture of methyl 1H-pyrrole-2-carboxylate (3.04 g, 23.5 mmol), difluoroiodomethane (4.4 g, 24.7 mmol) and DMF (40 ml). Sodium hydride (1.41 g, 35.2 mmol) was added in portions during 30 minutes. The mixture was stirred for additional 15 minutes. Water (50 ml) was added and the mixture was extracted with dichloromethane. The mixture was purified by silica gel chromatography, using dichloromethane as solvent. The product was dried and evaporated. Yield 3.21 g (78%). Was prepared The mixture was stirred for additional 15 minutes the mixture was extracted with dichloromethane The mixture was purified by silica gel chromatography The product was dried evaporated

Conditions: temp:50.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 3-(4-(2,4-difluorophenoxyl)piperidin-1-yl)-N-isopropyl-5,6,7,8-tetrahydropyrido[3,4-b]pyrazin-2-amine TFA salt (36 mg, 0.058 mmol), Cs2CO3 (66.0 mg, 0.203 mmol), and difluoroiodomethane (0.051 mL, 0.579 mmol) in DMA (0.5 mL) was heated in a microwave on high absorbance for 15 min at 50° C. The resulting crude material was filtered, rinsed with DMSO (2×0.5 mL), and purified by HPLC Method B using a 30% to 70% ACN gradient to give the title compound as a TFA salt (11.2 mg, 35.5%) as a yellow solid. 1H NMR (500 MHz, methanol-d4) δ ppm 1.29 (d, J=6.4 Hz, 6H), 1.90-2.01 (m, 2H), 2.07-2.18 (m, 2H), 2.78-2.89 (m, 2H), 3.02-3.10 (m, 2H), 3.39-3.45 (m, 2H), 3.76-3.86 (m, 2H), 4.14 (quin, J=6.4 Hz, 1H), 4.46-4.49 (m, 3H), 6.85-6.91 (m, 1H), 6.95-7.01 (m, 1H), 7.14-7.21 (m, 1H), 8.16-8.27 (m, 1H); ESI-MS m/z [M+H]+ 432.4. The resulting crude material was filtered rinsed with DMSO (2×0.5 mL) purified by HPLC Method B

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

Procedure: To a solution of N-{2-[5-(morpholinomethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}thiophene-2-sulfonamide (200 mg) in N,N-dimethylformamide (3 mL) were added potassium carbonate (90.0 mg) and difluoroiodomethane (77.0 mg), and the mixture was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography to give the title compound (60 mg, yield 27%) as white crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 513 (MH+). melting point 185-186° C. washed with water and saturated brine dried (MgSO4) concentrated

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

Procedure: To a cooled solution of 1 g of methyl-3-hydroxy-4-nitrobenzoate, 3.31 g of cesium carbonate in 20 mL of DMF, was carefully added 1.5 equivalents of difluoroiodomethane. The reaction was allowed to warm to room temperature and followed by TLC. Upon completion of the reaction, the mixture was concentrated and purified by silica get chromatography to give 1.2 g of methyl 3-(difluoromethoxy)-4-nitrobenzoate. Upon completion of the reaction the mixture was concentrated purified by silica get chromatography

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

Procedure: To a cooled solution of 1 g of methyl-3-hydroxy-4-nitrobenzoate, 3.31 g of cesium carbonate in 20 mL of DMF, was carefully added 1.5 equivalents of difluoroiodomethane. The reaction was allowed to warm to room temperature and followed by TLC. Upon completion of the reaction, the mixture was concentrated and purified by silica get chromatography to give 1.2 g of methyl 3-(difluoromethoxy)-4-nitrobenzoate. Upon completion of the reaction the mixture was concentrated purified by silica get chromatography

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

Procedure: To a cooled solution of 1 g of methyl-3-hydroxy-4-nitrobenzoate, 3.31 g of cesium carbonate in 20 mL of DMF, was carefully added 1.5 equivalents of difluoroiodomethane. The reaction was allowed to warm to room temperature and followed by TLC. Upon completion of the reaction, the mixture was concentrated and purified by silica get chromatography to give 1.2 g of methyl 3-(difluoromethoxy)-4-nitrobenzoate. Upon completion of the reaction the mixture was concentrated purified by silica get chromatography

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

Procedure: To a cooled solution of 1 g of methyl-3-hydroxy-4-nitrobenzoate, 3.31 g of cesium carbonate in 20 mL of DMF, was carefully added 1.5 equivalents of difluoroiodomethane. The reaction was allowed to warm to room temperature and followed by TLC. Upon completion of the reaction, the mixture was concentrated and purified by silica get chromatography to give 1.2 g of methyl 3-(difluoromethoxy)-4-nitrobenzoate. Upon completion of the reaction the mixture was concentrated purified by silica get chromatography

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

Procedure: To a solution of N-{2-[5-(morpholinomethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}thiophene-2-sulfonamide (200 mg) in N,N-dimethylformamide (3 mL) were added potassium carbonate (90.0 mg) and difluoroiodomethane (77.0 mg), and the mixture was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography to give the title compound (60 mg, yield 27%) as white crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 513 (MH+). melting point 185-186° C. washed with water and saturated brine dried (MgSO4) concentrated

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

Procedure: To a solution of N-{2-[5-(morpholinomethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}thiophene-2-sulfonamide (200 mg) in N,N-dimethylformamide (3 mL) were added potassium carbonate (90.0 mg) and difluoroiodomethane (77.0 mg), and the mixture was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography to give the title compound (60 mg, yield 27%) as white crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 513 (MH+). melting point 185-186° C. washed with water and saturated brine dried (MgSO4) concentrated

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

Procedure: To a solution of 5-cyclohex-1-enyl-3-[(trans-4-hydroxy-cyclohexyl)-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid methyl ester 390 mg, 0.85 mmol) in dry DMF (3 mL) at 0° C. was added 0.34 mL of 10M solution of CHF2I in benzene, followed by NaH (60% suspension in oil, 68 mg, 1.70 mmol), and the mixture was stirred for 2 h allowing to warm up to room temperature. Then it has been transferred into a sealed tube and heated in a microwave oven for 20 min at 120° C. The mixture was treated as described in example 4, and purified by column chromatography on silica gel eluting with 0→50% ethyl acetate in hexane to give 5-cyclohex-1-enyl-3-[cyclohex-3-enyl-(trans-4-methyl-cyclohexanecarbonyl)-amino]-thiophene-2-carboxylic acid methyl ester (132 mg, 35%). Then it has been transferred into a sealed tube heated in a microwave oven for 20 min at 120° C The mixture was treated purified by column chromatography on silica gel eluting with 0→50% ethyl acetate in hexane

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

Procedure: To a solution of N-{2-[5-(morpholinomethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}thiophene-2-sulfonamide (200 mg) in N,N-dimethylformamide (3 mL) were added potassium carbonate (90.0 mg) and difluoroiodomethane (77.0 mg), and the mixture was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography to give the title compound (60 mg, yield 27%) as white crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS: 513 (MH+). melting point 185-186° C. washed with water and saturated brine dried (MgSO4) concentrated

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

Procedure: To a solution of N-{2-[5-(morpholinomethyl)-4,5-dihydro-1,3-thiazol-2-yl]-1H-indol-7-yl}thiophene-2-sulfonamide (200 mg) in N,N-dimethylformamide (3 mL) were added potassium carbonate (90.0 mg) and difluoroiodomethane (77.0 mg), and the mixture was stirred overnight at room temperature. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried (MgSO4), and concentrated. The residue was subjected to basic silica gel column chromatography to give the title compound (60 mg, yield 27%) as white crystals from a fraction eluted with ethyl acetate-hexane (1:1, volume ratio). MS:513(MH+). melting point 185-186° C. washed with water and saturated brine dried (MgSO4) concentrated