oxan-4-amine;hydrochloride

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

Procedure: To a suspension of 4-chloro-5-iodo-6-methylpyrimidin-2-amine (16.0 g, 59.3 mmol) in EtOH (200 mL) and H2O (250 mL) was added triethylamine (30.0 mL, 207.5 mmol) and 4-aminotetrahydropyran HCl salt (9.75 g, 71.2 mmol) successively. The reaction was heated to reflux, stirred for 72 h, and then cooled to RT. About 80% of the solvent was evaporated under reduced pressure. The mixture was partitioned between ethyl acetate and H2O. The organic layer was dried over anhydrous sodium sulfate and concentrated in vacuo to afford the crude product. The product was purified by a flash chromatography (50% ethyl acetate/hexanes to 100% ethyl acetate) to afford 5-iodo-6-methyl-N4-(tetrahydro-2H-pyran-4-yl)pyrimidine-2,4-diamine as a light yellow crystal (yield: 10.23 g, 51.7%). LC/MS: calculated for C10H15IN4O (334.03). found: 335.08 (MH+). HPLC analytical purity: >99.0%. The reaction was heated to reflux About 80% of the solvent was evaporated under reduced pressure The mixture was partitioned between ethyl acetate and H2O The organic layer was dried over anhydrous sodium sulfate concentrated in vacuo to afford the crude product The product was purified by a flash chromatography (50% ethyl acetate/hexanes to 100% ethyl acetate)

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

Procedure: This compound was prepared by using procedures analogous to those described for the synthesis of Example 54, Step 3 starting from 2-(4-{3-[3-({[(2,2,2-trifluoroethyl)amino]carbonyl}amino)phenyl]imidazo[1,2-b]pyridazin-7-yl}-1H-pyrazol-1-yl)propanoic acid and 4-aminotetrahydropyran hydrochloride (Combi-Blocks and Cat. No. AM-1014). LCMS (M+H)+: m/z=557.3. This compound was prepared

Conditions: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A yellow mixture of 2-amino-3-bromobenzoic acid (Oakwood Products, Inc., West Columbia, S.C., 2.125 g, 9.83 mmol), 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide (6.37 mL, 10.82 mmol), tetrahydro-2H-pyran-4-amine hydrochloride (Combi-Blocks, Inc., San Diego, Calif., 4.06 g, 29.5 mmol), and DIEA (5.15 mL, 29.5 mmol) was stirred at 0° C. for 5 min; the reaction mixture was then warmed to RT and stir for 30 min when product was observed via LCMS. The reaction mixture was diluted with EtOAc (150 mL), added to a separatory funnel, and washed with saturated aqueous NaHCO3 (4×100 mL); the organic layer was separated, dried over Na2SO4, and concentrated to give 2-amino-3-bromo-N-(tetrahydro-2H-pyran-4-yl)benzamide (515a, 1.54 g, 5.15 mmol, 52% yield) as an off-white solid. 1H NMR (400 MHz, CDCl3) δ ppm 1.49-1.63 (m, 2H) 2.00 (dd, J=12.52, 2.15 Hz, 2H) 3.53 (td, J=11.69, 2.05 Hz, 2H) 3.95-4.05 (m, 2H) 4.10-4.21 (m, 1H) 5.87 (d, J=7.24 Hz, 1H) 6.06 (br. s., 2H) 6.54 (t, J=7.92 Hz, 1H) 7.25-7.30 (m, 1H) 7.51 (dd, J=7.82, 1.17 Hz, 1H). MS (ESI, pos. ion) m/z: 299.0/301.0 (M+1). the reaction mixture was then warmed to RT stir for 30 min when product added to a separatory funnel washed with saturated aqueous NaHCO3 (4×100 mL) the organic layer was separated dried over Na2SO4 concentrated

Conditions: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A yellow mixture of 2-amino-3-bromobenzoic acid (Oakwood Products, Inc., West Columbia, S.C., 2.125 g, 9.83 mmol), 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane 2,4,6-trioxide (6.37 mL, 10.82 mmol), tetrahydro-2H-pyran-4-amine hydrochloride (Combi-Blocks, Inc., San Diego, Calif., 4.06 g, 29.5 mmol), and DIEA (5.15 mL, 29.5 mmol) was stirred at 0° C. for 5 min; the reaction mixture was then warmed to RT and stir for 30 min when product was observed via LCMS. The reaction mixture was diluted with EtOAc (150 mL), added to a separatory funnel, and washed with saturated aqueous NaHCO3 (4×100 mL); the organic layer was separated, dried over Na2SO4, and concentrated to give 2-amino-3-bromo-N-(tetrahydro-2H-pyran-4-yl)benzamide (515a, 1.54 g, 5.15 mmol, 52% yield) as an off-white solid. 1H NMR (400 MHz, CDCl3) δ ppm 1.49-1.63 (m, 2H) 2.00 (dd, J=12.52, 2.15 Hz, 2H) 3.53 (td, J=11.69, 2.05 Hz, 2H) 3.95-4.05 (m, 2H) 4.10-4.21 (m, 1H) 5.87 (d, J=7.24 Hz, 1H) 6.06 (br. s., 2H) 6.54 (t, J=7.92 Hz, 1H) 7.25-7.30 (m, 1H) 7.51 (dd, J=7.82, 1.17 Hz, 1H). MS (ESI, pos. ion) m/z: 299.0/301.0 (M+1). the reaction mixture was then warmed to RT stir for 30 min when product added to a separatory funnel washed with saturated aqueous NaHCO3 (4×100 mL) the organic layer was separated dried over Na2SO4 concentrated

Conditions: temp:100.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: In a 300 mL glass pressure reactor, combine 5-amino-4,6-dichloro-2-methylpyrimidine (20.0 g, 97%, 109.0 mmol), 4-aminotetrahydropyran hydrochloride (21.0 g, 152.6 mmol), di-isopropylethylamine (57.0 mL, 326.9 mmol) and isopropyl alcohol (100 mL). Seal the pressure vessel tightly, start stirring, and adjust the set-point for heat control to 100° C. Stir the mixture at 100° C. for 24 hours. Cool the reactor contents to 60° C., vent the vessel of pressure, and add 4-aminotetrahydropyran hydrochloride (2.25 g, 16.3 mmol). Re-seal the vessel, heat the contents to an internal temperature of 100° C., and stir for an additional 24 hours. Cool the reaction mixture to ambient temperature, vent the reactor of pressure, and transfer the contents to a recovery flask. Concentrate the mixture under reduced pressure to approximately ⅓ of its original volume. Add water (200 mL) and ethyl acetate (200 mL) and transfer the resulting mixture to a separatory funnel Separate the layers, re-extract the aqueous layer with ethyl acetate (100 mL) and combine all organics. Wash with water (2×100 mL) and brine (100 mL), then dry the organic layer over anhydrous sodium sulfate. Concentrate under reduced pressure to afford 6-chloro-2-methyl-N*4*-(tetrahydro-2H-pyran-4-yl)-pyrimidine-4,5-diamine as an off-white solid (25.0 g). MS (m/z): 243/245 (M+1). In a 300 mL glass pressure reactor, combine Seal the pressure vessel tightly Stir the mixture at 100° C. for 24 hours Cool the reactor contents to 60° C. Re-seal the vessel, heat the contents to an internal temperature of 100° C. stir for an additional 24 hours Cool the reaction mixture to ambient temperature Concentrate the mixture under reduced pressure to approximately ⅓ of its original volume Separate the layers re-extract the aqueous layer with ethyl acetate (100 mL) Wash with water (2×100 mL) and brine (100 mL) dry the organic layer over anhydrous sodium sulfate Concentrate under reduced pressure

Conditions: temp:110.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a solution of compound methyl 4-chloropicolinate (100 mg, 0.59 mmol), tetrahydro-2H-pyran-4-amine hydrochloride (121 mg, 0.88 mmol), Cs2CO3 (762 mg, 2.34 mmol), Pd2(dba)3 (54 mg, 0.059 mmol) and XPhos (28 mg, 0.06 mmol) in toluene (10 mL) was stirred and heated at 110° C. under N2 for 16 h. The catalyst was filtered and the filtrate was washed with EA, concentrated in vacuo and the residue was purified by prep-TLC to give the title product (50 mg, Yield 36.2%). LCMS (m/z): 237.2 (M+1). The catalyst was filtered the filtrate was washed with EA concentrated in vacuo the residue was purified by prep-TLC

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

Procedure: To a solution of (2E)-3-{1-[bis(4-fluorophenyl)methyl]-3-cyano-4,6-dimethyl-1H-pyrrolo[2,3-b]pyridin-2-yl}prop-2-enoic acid (250 mg, 0.570 mmol) in THF (2.5 ml) were added DMF (0.025 ml) and oxalylchloride (0.060 ml, 0.680 mmol), the mixture was stirred at room temperature for 1 hour and the solvent distilled off under reduced pressure. The residue was added under ice-cooling to a solution of tetrahydro-2H-pyran-4-ylamine hydrochloride (136 mg, 1.13 mmol), triethylamine (0.472 ml, 3.39 mmol) and THF (3 ml), and the mixture was stirred under ice-cooling for 2 hours and at room temperature for 12 hours. The reaction solution was poured into water and extracted with ethyl acetate. The extract was washed with water and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (hexane:ethyl acetate=2:1) to give the objective product as a solid material. The resultant material was recrystallized from hexane and ethyl acetate. Yield (amount) 200 mg, yield (rate) 66.7% the solvent distilled off under reduced pressure The residue was added under ice- the mixture was stirred under ice- cooling for 2 hours and at room temperature for 12 hours extracted with ethyl acetate The extract was washed with water dried over anhydrous magnesium sulfate the solvent was distilled off under reduced pressure The residue was purified by silica gel column chromatography (hexane:ethyl acetate=2:1)

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

Procedure: A solution of Example C2 (0.200 g, 0.476 mmol) in DCM (5 mL) was treated with mCPBA (0.141 g, 0.571 mmol), stirred at RT for 3 h, treated with 4-aminotetrahydropyran hydrochloride (0.524 g, 3.81 mmol) and TEA (0.530 mL, 3.81 mmol) and stirred at RT overnight. Additional 4-aminotetrahydropyran hydrochloride (0.524 g, 3.81 mmol) and TEA (0.530 mL, 3.81 mmol) were added and the mixture stirred at RT for an additional 24 h. The mixture was concentrated to dryness, transferred to a sealed vessel with DMF (10 mL), treated with additional 4-aminotetrahydropyran hydrochloride (0.524 g, 3.81 mmol) and TEA (0.530 mL, 3.81 mmol) and heated at 60° C. overnight. The mixture was cooled to RT, the solids removed via filtration and washed with DCM. The filtrate was treated with satd. NaHCO3, extracted with DCM (3×) and the combined organics were washed with 5% LiCl (3×), then brine, dried over Na2SO4, concentrated to dryness and purified via silica gel chromatography (MeOH/DCM) to afford 4-methoxy-5-(6-methyl-5-((2-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)pyridin-2-yl)-N-(tetrahydro-2H-pyran-4-yl)pyrimidin-2-amine (125 mg, 56%). MS (ESI) m/z: 474.2 (M+H+). stirred at RT overnight the mixture stirred at RT for an additional 24 h The mixture was concentrated to dryness transferred to a sealed vessel with DMF (10 mL) heated at 60° C. overnight The mixture was cooled to RT the solids removed via filtration washed with DCM The filtrate was treated with satd NaHCO3, extracted with DCM (3×) the combined organics were washed with 5% LiCl (3×) brine, dried over Na2SO4 concentrated to dryness purified via silica gel chromatography (MeOH/DCM)

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

Procedure: To a solution of 5.00 g (36.3 mmol) of tetrahydro-2H-pyran-4-yl-amine hydrochloride (CAS 38041-19-9) in 300 ml of dichloromethane, cooled to −15° C. are added portionwise 13.2 g (65.4 mmol) of 4-nitrophenyl chloroformate (CAS 7693-46-1) and then 12.7 ml (72.7 mmol) of diisopropylethylamine. Stirring is continued at −0° C. for 2 hours, and 20 ml of saturated aqueous sodium hydrogen carbonate solution are then added. The organic phase is separated out by settling and dried over sodium sulfate and the solvent is evaporated off under reduced pressure. The residue is purified by chromatography on a column 80 g of silica gel, eluting with a mixture of 20% acetone in dichloromethane, to give 8.26 g of 4-nitrophenyl tetrahydro-2H-pyran-4-ylcarbamate in the form of a white powder. The organic phase is separated out dried over sodium sulfate the solvent is evaporated off under reduced pressure The residue is purified by chromatography on a column 80 g of silica gel eluting with a mixture of 20% acetone in dichloromethane

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

Procedure: 10-bromo-2-carbamoyl-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-3-carboxylic acid was reacted with tetrahydro-pyran-4-ylamine hydrochloride similarly to as described in example 2 with non-critical modifications to afford 117 mg (63%) 10-bromo-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide. 10-bromo-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide was reacted with (3R)-3-ethynyl-3-hydroxy-1-methyl-pyrrolidin-2-one similarly to as described in General Procedure F with non-critical modifications to afford 14 mg (11%) of 10-[2-[(3R)-3-hydroxy-1-methyl-2-oxo-pyrrolidin-3-yl]ethynyl]-N3-tetrahydropyran-4-yl-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2,3-dicarboxamide.

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

Procedure: 10-bromo-2-carbamoyl-6,7-dihydro-5H-5,7-methanobenzo[c]imidazo[1,2-a]azepine-3-carboxylic acid (0.1 g) was reacted with tetrahydro-2H-pyran-4-amine hydrochloride similarly to the conditions described in Example 2 to produce 10-bromo-N3-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-5H-5,7-methanobenzo[c]imidazo[1,2-a]azepine-2,3-dicarboxamide. This intermediate was then reacted with (2R)-2-(5-methylisoxazol-3-yl)but-3-yn-2-ol via General Procedure E to afford 5.7 mg (10%) of 10-[(3R)-3-hydroxy-3-(5-methylisoxazol-3-yl)but-1-ynyl]-N3-tetrahydropyran-4-yl-5,6,7,12-tetrahydro-5,7-methanobenzo[c]imidazo[1,2-a]azepine-2,3-dicarboxamide. M+1=516.

Conditions: temp:40.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Similar to as described in Example 10 (carbonylative amidation) a mixture of 10-bromo-3-iodo-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxamide (200 mg, 0.46 mmol, 1.00 equiv), 4-aminotetrahydropyran hydrochloride (126 mg, 0.92 mmol, 2.00 equiv), Pd(dppf)Cl2 (34 mg, 0.05 mmol, 0.10 equiv), TEA (202 mg, 2.00 mmol, 4.00 equiv), and DMSO (5 mL) was stirred at 40° C. under an atmosphere of CO(g) overnight. The reaction was quenched with water and the solids were collected. This resulted in 250 mg (crude) of 10-bromo-N3-(tetrahydro-2H-pyran-4-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2,3-dicarboxamide as a brown solid. Similar to as described General Procedure F, 10-bromo-N3-(tetrahydro-2H-pyran-4-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2,3-dicarboxamide was reacted with (2R)-2-(5-methyl-1,2-oxazol-3-yl)but-3-yn-2-ol to give the titled compound as an off-white solid (38.6 mg, 6.6%). The reaction was quenched with water the solids were collected This resulted in 250 mg (crude) of 10-bromo-N3-(tetrahydro-2H-pyran-4-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2,3-dicarboxamide as a brown solid