(3S,4S)-4-aminopyrrolidin-3-ol;dihydrochloride

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

Procedure: (3S,4S)-tert-Butyl 3-amino-4-hydroxypyrrolidine-1-carboxylate (0.3 g, 1.439 mmol) in 1.25 M HCl 1.25 M in EtOH (11.51 mL, 14.39 mmol) was stirred for 24 h at RT. The white suspension was evaporated to dryness under reduced pressure and the residue was suspended in MeOH (10 mL) and evaporated again to afford the title compound. The white suspension was evaporated to dryness under reduced pressure evaporated again

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

Procedure: 3-Bromo-N-(4-(chlorodifluoromethoxy)phenyl)-4-fluorobenzamide (240 mg, 0.596 mmol) and TEA (0.332 mL, 2.384 mmol) were added to a vial containing DMSO (0.5 mL). (3S,4S)-4-aminopyrrolidin-3-ol dihydrochloride (Stage 245.2, 128 mg, 0.715 mmol) was added. The RM was stirred at 100° C. for 40 h. The RM was treated with sat. aq. Na2CO3 (50 mL) and was extracted with EtOAc. The combined extracts were washed with water (30 mL) and brine (30 mL), dried over Na2SO4, filtered and the filtrate was evaporated off under reduced pressure to give a crude product that was purified by flash chromatography (from 100% EtOAc to EtOAc/EtOH/NH3 aq. 90:9:1) to afford the title product as a beige solid. HPLC (Condition 10) tR=6.08 min, UPLC-MS (Condition 3) tR=0.82 min, m/z=476.1/478.1 [M+H]+. was extracted with EtOAc The combined extracts were washed with water (30 mL) and brine (30 mL) dried over Na2SO4 filtered the filtrate was evaporated off under reduced pressure to give a crude product that was purified by flash chromatography (from 100% EtOAc to EtOAc/EtOH/NH3 aq. 90:9:1)

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

Procedure: The title compound was prepared in an analogous fashion to that described in Example 1 using 3-bromo-N-(4-(chlorodifluoromethoxy)phenyl)-4-fluorobenzamide (Stage 76.2) and (3S,4S)-4-aminopyrrolidin-3-ol dihydrochloride (Stage 76.3) to give the title product as a beige solid. HPLC (Condition 7) tR=6.08 min, UPLC-MS (Condition 3) tR=0.82 min, m/z=476.1/478.1 [M+H]+. The title compound was prepared in an analogous fashion to

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

Procedure: The title compound was prepared in an analogous fashion to that described in Example 1 using 3-bromo-N-(4-(chlorodifluoromethoxy)phenyl)-4-fluorobenzamide (Stage 76.2) and (3S,4S)-4-aminopyrrolidin-3-ol dihydrochloride (Stage 76.3) to give the title product as a beige solid. HPLC (Condition 7) tR=6.08 min, UPLC-MS (Condition 3) tR=0.82 min, m/z=476.1/478.1 [M+H]+. The title compound was prepared in an analogous fashion to

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

Procedure: (3S,4S)-tert-Butyl 3-amino-4-hydroxypyrrolidine-1-carboxylate (0.3 g, 1.439 mmol) in 1.25 M HCl 1.25 M in EtOH (11.51 mL, 14.39 mmol) was stirred for 24 h at RT. The white suspension was evaporated to dryness under reduced pressure and the residue was suspended in MeOH (10 mL) and evaporated again to afford the title compound. The white suspension was evaporated to dryness under reduced pressure evaporated again

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

Procedure: 3-Bromo-N-(4-(chlorodifluoromethoxy)phenyl)-4-fluorobenzamide (240 mg, 0.596 mmol) and TEA (0.332 mL, 2.384 mmol) were added to a vial containing DMSO (0.5 mL). (3S,4S)-4-aminopyrrolidin-3-ol dihydrochloride (Stage 245.2, 128 mg, 0.715 mmol) was added. The RM was stirred at 100° C. for 40 h. The RM was treated with sat. aq. Na2CO3 (50 mL) and was extracted with EtOAc. The combined extracts were washed with water (30 mL) and brine (30 mL), dried over Na2SO4, filtered and the filtrate was evaporated off under reduced pressure to give a crude product that was purified by flash chromatography (from 100% EtOAc to EtOAc/EtOH/NH3 aq. 90:9:1) to afford the title product as a beige solid. HPLC (Condition 10) tR=6.08 min, UPLC-MS (Condition 3) tR=0.82 min, m/z=476.1/478.1 [M+H]+. was extracted with EtOAc The combined extracts were washed with water (30 mL) and brine (30 mL) dried over Na2SO4 filtered the filtrate was evaporated off under reduced pressure to give a crude product that was purified by flash chromatography (from 100% EtOAc to EtOAc/EtOH/NH3 aq. 90:9:1)

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

Procedure: The title compound was prepared in an analogous fashion to that described in Example 1 using 3-bromo-N-(4-(chlorodifluoromethoxy)phenyl)-4-fluorobenzamide (Stage 76.2) and (3S,4S)-4-aminopyrrolidin-3-ol dihydrochloride (Stage 76.3) to give the title product as a beige solid. HPLC (Condition 7) tR=6.08 min, UPLC-MS (Condition 3) tR=0.82 min, m/z=476.1/478.1 [M+H]+. The title compound was prepared in an analogous fashion to