1-(4-Bromo-2-chlorophenyl)ethanamine

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL ) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL ) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

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

Procedure: 1-(5′-Chloro-3-fluoro-2′-methoxy-biphenyl-4-yl)-ethylamine was prepared in a similar manner to 1-(2-allyl-5′-fluoro-2′-methoxy-biphenyl-4-yl)-ethylamine (Example 34) using 1-(4-bromo-2-chloro-phenyl)-ethylamine instead of 1-(4-bromo-2-fluoro-phenyl)-ethylamine and 5-chloro-2-methoxyphenyl boronic acid instead of 5-fluoro-2-methoxyphenyl boronic acid. The title compound was prepared in a similar manner to 1-methyl-3-trifluoromethyl-1H-pyrazole-4-sulfonic acid [1-(3,5′-difluoro-2′-methoxy-biphenyl-4-yl)-ethyl]-amide (Example 30) using 1-(5′-chloro-3-fluoro-2′-methoxy-biphenyl-4-yl)-ethylamine and 3,4-di-fluorophenyl sulfonyl chloride instead of 1-methyl-3-trifluoromethyl-1H-pyrazole-4-sulfonyl chloride. 1H NMR (400 MHz, CDCl3): δ 7.55-7.41 (m, 2H), 7.28 (q, 1H), 7.17 (d, 1H), 7.12-6.99 (m, 4H), 6.89 (d, 1H), 5.16 (d, 1H), 4.73 (dq, 1H), 3.80 (s, 3H), 1.55 (d, 3H) ppm; MS (ESI) m/z: 478.0 [M+Na]+.

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5%/2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5%/2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0 m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM

Conditions: temp:45.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A solution of 1-(4-bromo-2-chlorophenyl)ethanone (2.430 g, 10 mmol), ammonia, 2.0m solution in methanol (26 ml, 52 mmol) and titanium (iv) isopropoxide (6 ml, 21 mmol) was stirred for 16 h in a sealed vessel. Reaction then added to a freshly made suspension of sodium borohydride powder, 98% (4 g, 104 mmol) in MeOH (20 mL). Exothermic reaction started at 9:45 am, then continued to stir with a 45° C. external heating bath for 45 min. Water (10 mL ) then added to reaction and stirred for an additional 10 min. Resulting white solid removed via filtration through Celite, and filtrated reduced in volume under reduced pressure. This suspension then partioned between 9:1 CHCl3/IPA (30 mL) and 1M NaOH (10 mL). Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL). Combined organics dried over MgSO4, concentrated, then purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM. MS (ESI pos. ion) m/z: 234/236 (MH+). Calc'd exact mass for C8H9BrClN: 233/235. 1-(4-bromo-2-chlorophenyl)ethanamine isolated as a colorless oil. Reaction Exothermic reaction stirred for an additional 10 min Resulting white solid removed via filtration through Celite filtrated Aqueous further extracted with 9:1 CHCl3/IPA (2×10 mL) Combined organics dried over MgSO4 concentrated purified on silica (80 g) eluting with 0>5% 2M NH3 in MeOH/DCM