[(3S)-1,2,3,4-tetrahydroisoquinolin-3-yl]methanol

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

Procedure: A solution of (S)-3-hydroxymethyl-1,2,3,4-tetrahydroisoquinoline (41 g) in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc) is heated at 110° C. Water (about 50 cc) is distilled off and the residue is then concentrated at 100° C. under reduced pressure (20 mm Hg). The brown oily residue is taken up in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc). Water (50 cc) is again distilled off, the mixture is then concentrated as described above, and the concentration process is concluded at 100° C. under reduced pressure (1 mm Hg). The residue, which crystallises on cooling, is recrystallised from a mixture of ethanol (140 cc) and water (60 cc). After cooling for 15 hours at about 5° C., the resulting crystals are filtered off and washed with a mixture (20 cc) of ethanol and water (3-1 by volume) and then with ethanol (2×25 cc). After drying at 60° C. under reduced pressure (1 mm Hg), (S)-3-hydroxysulphonyloxymethyl-1,2,3,4-tetrahydroisoquinoline (48 g) is obtained in the form of white crystals. Water (about 50 cc) is distilled off the residue is then concentrated at 100° C. under reduced pressure (20 mm Hg) The brown oily residue is taken up in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc) Water (50 cc) is again distilled off the mixture is then concentrated is concluded at 100° C. under reduced pressure (1 mm Hg) The residue, which crystallises on cooling is recrystallised from a mixture of ethanol (140 cc) and water (60 cc) After cooling for 15 hours at about 5° C. the resulting crystals are filtered off washed with a mixture (20 cc) of ethanol and water (3-1 by volume) After drying at 60° C. under reduced pressure (1 mm Hg)

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

Procedure: A solution of (S)-3-hydroxymethyl-1,2,3,4-tetrahydroisoquinoline (41 g) in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc) is heated at 110° C. Water (about 50 cc) is distilled off and the residue is then concentrated at 100° C. under reduced pressure (20 mm Hg). The brown oily residue is taken up in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc). Water (50 cc) is again distilled off, the mixture is then concentrated as described above, and the concentration process is concluded at 100° C. under reduced pressure (1 mm Hg). The residue, which crystallises on cooling, is recrystallised from a mixture of ethanol (140 cc) and water (60 cc). After cooling for 15 hours at about 5° C., the resulting crystals are filtered off and washed with a mixture (20 cc) of ethanol and water (3-1 by volume) and then with ethanol (2×25 cc). After drying at 60° C. under reduced pressure (1 mm Hg), (S)-3-hydroxysulphonyloxymethyl-1,2,3,4-tetrahydroisoquinoline (48 g) is obtained in the form of white crystals. Water (about 50 cc) is distilled off the residue is then concentrated at 100° C. under reduced pressure (20 mm Hg) The brown oily residue is taken up in a mixture of 34 N sulphuric acid (13 cc) and water (70 cc) Water (50 cc) is again distilled off the mixture is then concentrated is concluded at 100° C. under reduced pressure (1 mm Hg) The residue, which crystallises on cooling is recrystallised from a mixture of ethanol (140 cc) and water (60 cc) After cooling for 15 hours at about 5° C. the resulting crystals are filtered off washed with a mixture (20 cc) of ethanol and water (3-1 by volume) After drying at 60° C. under reduced pressure (1 mm Hg)

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

Procedure: A solution of (R)-methyl 2-(tert-butoxycarbonylamino)-2-(2-oxoethyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)hexanoate (0.148 g, 0.358 mmol, 1.0 equiv.) and (S)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanol (0.088 g, 0.54 mmol, 1.5 equiv.) in 1,2-dichloroethane (0.34 mL, 0.5 M) was treated with sodium triacetoxyborohydride (0.19 g, 0.90 mmol, 2.5 equiv) in one portion. After stirring for 1.5 h, the reaction mixture was quenched with saturated aqueous NaHCO3 (1 mL) and stirred for an additional 5 min. The resulting mixture was added to a separatory funnel, diluted with saturated aqueous NaCl (5 mL) and extracted with dichloromethane (2×10 mL). The organic layer was dried over MgSO4, filtered and concentration under reduced pressure. Purification by flash column chromatography eluting with 5% methanol in chloroform gave (R)-methyl 2-(tert-butoxycarbonylamino)-2-(2-((S)-3-(hydroxymethyl)-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)hexanoate as a pale yellow oil (0.187 g, 93%). Rf 0.52 (10% methanol in dichloromethane); 1H NMR (CDCl3, 300 MHz) δ 7.15-7.08 (m, 2H), 7.07-6.98 (m, 2H), 5.90 (s, 1H), 3.78 (d, J=16.2 Hz, 1H), 3.70 (s, 3H), 3.60-3.47 (m, 2H), 3.04-2.93 (m, 1H), 2.92-2.82 (m, 1H), 2.71-2.60 (m, 1H), 2.56-2.38 (m, 2H), 2.37-2.23 (m, 1H), 2.21-2.10 (m, 1H), 1.77-1.63 (m, 1H), 1.42 (s, 9H), 1.43-1.26 (m, 3H), 1.23 (s, 12H), 1.22-1.16 (m, 1H), 0.99-0.82 (m, 2H), 0.74 (t, J=7.5 Hz, 2H); ESI-LCMS m/z calcd for C30H49BN2O7: expected 560.4. found 561.4 (M+H)+. the reaction mixture was quenched with saturated aqueous NaHCO3 (1 mL) stirred for an additional 5 min The resulting mixture was added to a separatory funnel diluted with saturated aqueous NaCl (5 mL) extracted with dichloromethane (2×10 mL) The organic layer was dried over MgSO4 filtered concentration under reduced pressure Purification by flash column chromatography eluting with 5% methanol in chloroform

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

Procedure: A solution of (R)-methyl 2-(tert-butoxycarbonylamino)-2-(2-oxoethyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)hexanoate (0.148 g, 0.358 mmol, 1.0 equiv.) and (S)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanol (0.088 g, 0.54 mmol, 1.5 equiv.) in 1,2-dichloroethane (0.34 mL, 0.5 M) was treated with sodium triacetoxyborohydride (0.19 g, 0.90 mmol, 2.5 equiv) in one portion. After stirring for 1.5 h, the reaction mixture was quenched with saturated aqueous NaHCO3 (1 mL) and stirred for an additional 5 min. The resulting mixture was added to a separatory funnel, diluted with saturated aqueous NaCl (5 mL) and extracted with dichloromethane (2×10 mL). The organic layer was dried over MgSO4, filtered and concentration under reduced pressure. Purification by flash column chromatography eluting with 5% methanol in chloroform gave (R)-methyl 2-(tert-butoxycarbonylamino)-2-(2-((S)-3-(hydroxymethyl)-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)hexanoate as a pale yellow oil (0.187 g, 93%). Rf 0.52 (10% methanol in dichloromethane); 1H NMR (CDCl3, 300 MHz) δ 7.15-7.08 (m, 2H), 7.07-6.98 (m, 2H), 5.90 (s, 1H), 3.78 (d, J=16.2 Hz, 1H), 3.70 (s, 3H), 3.60-3.47 (m, 2H), 3.04-2.93 (m, 1H), 2.92-2.82 (m, 1H), 2.71-2.60 (m, 1H), 2.56-2.38 (m, 2H), 2.37-2.23 (m, 1H), 2.21-2.10 (m, 1H), 1.77-1.63 (m, 1H), 1.42 (s, 9H), 1.43-1.26 (m, 3H), 1.23 (s, 12H), 1.22-1.16 (m, 1H), 0.99-0.82 (m, 2H), 0.74 (t, J=7.5 Hz, 2H); ESI-LCMS m/z calcd for C30H49BN2O7: expected 560.4. found 561.4 (M+H)+. the reaction mixture was quenched with saturated aqueous NaHCO3 (1 mL) stirred for an additional 5 min The resulting mixture was added to a separatory funnel diluted with saturated aqueous NaCl (5 mL) extracted with dichloromethane (2×10 mL) The organic layer was dried over MgSO4 filtered concentration under reduced pressure Purification by flash column chromatography eluting with 5% methanol in chloroform

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

Procedure: To a solution of 2-(4-(dibutylcarbamoyl)-1-phenethyl-1H-imidazol-2-yl)-5-(methoxycarbonyl)benzoic acid (130 mg, 0.25 mmol) in DMF (5 mL) was added HATU (293 mg, 0.77 mmol), (S)-1,2,3,4-tetrahydroisoquinoline-3-yl-methanol (84 mg, 0.51 mmol) and diisopropylethylamine (269 μL, 1.54 mmol) at 0° C. The reaction mixture was allowed to warm to room temperature and stirred for 16 h. The reaction mixture was diluted with water and extracted with MTBE (3×). The combined organic layer was dried over Na2SO4 and concentrated to give crude product. The crude material was purified by flash chromatography (gradient from 0% to 50% EtOAc/hexanes) to provide the title compound (113 mg, 61%) as a light yellow oil. 1H NMR (DMSO-d6, 1:1 mixture amide rotamers) δ 8.14-8.01 (m, 2H), 7.64 (s, 1H), 7.34 (d, J=7.2 Hz, 1H), 7.26-7.21 (m, 3H), 7.17-7.03 (m, 5.5H), 6.98 (d, J=6.8 Hz, 0.5H), 5.03 (d, J=18.4 Hz, 0.5H), 4.91 (br s, 1H), 4.39 (br s, 0.5H), 4.24 (d, J=18.4 Hz, 0.5H), 4.16-4.07 (m, 2.5H), 3.91 (s, 3H), 3.88-3.85 (m, 0.5H), 3.76-3.73 (m, 0.5H), 3.65-3.55 (m, 1H), 3.39-3.34 (m, 2H), 3.24-3.00 (m, 2H), 2.96-2.85 (m, 3H), 2.70-2.65 (m, 2H), 1.50-1.11 (m, 8H), 0.88-0.76 (m, 6H); MS(ESI+) m/z 651.4 (M+H)+. extracted with MTBE (3×) The combined organic layer was dried over Na2SO4 concentrated to give crude product The crude material was purified by flash chromatography (gradient from 0% to 50% EtOAc/hexanes)

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

Procedure: To a solution of 2-(4-(dibutylcarbamoyl)-1-phenethyl-1H-imidazol-2-yl)-5-(methoxycarbonyl)benzoic acid (130 mg, 0.25 mmol) in DMF (5 mL) was added HATU (293 mg, 0.77 mmol), (S)-1,2,3,4-tetrahydroisoquinoline-3-yl-methanol (84 mg, 0.51 mmol) and diisopropylethylamine (269 μL, 1.54 mmol) at 0° C. The reaction mixture was allowed to warm to room temperature and stirred for 16 h. The reaction mixture was diluted with water and extracted with MTBE (3×). The combined organic layer was dried over Na2SO4 and concentrated to give crude product. The crude material was purified by flash chromatography (gradient from 0% to 50% EtOAc/hexanes) to provide the title compound (113 mg, 61%) as a light yellow oil. 1H NMR (DMSO-d6, 1:1 mixture amide rotamers) δ 8.14-8.01 (m, 2H), 7.64 (s, 1H), 7.34 (d, J=7.2 Hz, 1H), 7.26-7.21 (m, 3H), 7.17-7.03 (m, 5.5H), 6.98 (d, J=6.8 Hz, 0.5H), 5.03 (d, J=18.4 Hz, 0.5H), 4.91 (br s, 1H), 4.39 (br s, 0.5H), 4.24 (d, J=18.4 Hz, 0.5H), 4.16-4.07 (m, 2.5H), 3.91 (s, 3H), 3.88-3.85 (m, 0.5H), 3.76-3.73 (m, 0.5H), 3.65-3.55 (m, 1H), 3.39-3.34 (m, 2H), 3.24-3.00 (m, 2H), 2.96-2.85 (m, 3H), 2.70-2.65 (m, 2H), 1.50-1.11 (m, 8H), 0.88-0.76 (m, 6H); MS(ESI+) m/z 651.4 (M+H)+. extracted with MTBE (3×) The combined organic layer was dried over Na2SO4 concentrated to give crude product The crude material was purified by flash chromatography (gradient from 0% to 50% EtOAc/hexanes)

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

Procedure: Following a procedure analogous to that for the synthesis of Example 91, 2-(3-(butyl(3,4-dichlorobenzyl)carbamoyl)-4-chloro-5-methyl-1H-pyrazol-1-yl)-5-(8-(2-morpholinoethoxy)naphthalen-2-ylsulfonylcarbamoyl)benzoic acid (Intermediate 186B, 12 mg, 0.014 mmol) and (S)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanol (Aldrich, 9 mg, 0.056 mmol) were converted to the title compound (10 mg, 70%). 1H NMR (CD3OD, mixture of amide rotamers) δ 9.23-9.09 (m, 1H), 8.24 (dd, J=1.7, 8.0 Hz, 0.5H), 8.10-7.94 (m, 3.5H), 7.76-7.59 (m, 3H), 7.53-7.29 (m, 1.5H), 7.27-6.80 (m, 6H), 6.68 (d, J=7.5 Hz, 0.5H), 5.27-5.04 (m, 1H), 4.75-4.59 (m, 3H), 4.54-2.44 (m, 18H), 2.39-2.26 (m, 3H), 2.25-2.06 (m, 1H), 1.65-0.81 (m, 5.5H), 0.75-0.65 (m, 1H), 0.61-0.51 (m, 0.5H); MS(ESI+) m/z 1005.3 (M+H)+.

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

Procedure: Following a procedure analogous to that for the synthesis of Example 91, 2-(3-(butyl(3,4-dichlorobenzyl)carbamoyl)-4-chloro-5-methyl-1H-pyrazol-1-yl)-5-(8-(2-morpholinoethoxy)naphthalen-2-ylsulfonylcarbamoyl)benzoic acid (Intermediate 186B, 12 mg, 0.014 mmol) and (S)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanol (Aldrich, 9 mg, 0.056 mmol) were converted to the title compound (10 mg, 70%). 1H NMR (CD3OD, mixture of amide rotamers) δ 9.23-9.09 (m, 1H), 8.24 (dd, J=1.7, 8.0 Hz, 0.5H), 8.10-7.94 (m, 3.5H), 7.76-7.59 (m, 3H), 7.53-7.29 (m, 1.5H), 7.27-6.80 (m, 6H), 6.68 (d, J=7.5 Hz, 0.5H), 5.27-5.04 (m, 1H), 4.75-4.59 (m, 3H), 4.54-2.44 (m, 18H), 2.39-2.26 (m, 3H), 2.25-2.06 (m, 1H), 1.65-0.81 (m, 5.5H), 0.75-0.65 (m, 1H), 0.61-0.51 (m, 0.5H); MS(ESI+) m/z 1005.3 (M+H)+.

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

Procedure: To (S)-(1,2,3,4-tetrahydroisoquinolin-3-yl)methanol (Aldrich, 350 mg, 2.14 mmol) in EtOAc (4.3 mL) and MeOH (1.1 mL) was added Ac2O (243 μL, 2.57 mmol). The resulting reaction mixture was stirred at room temperature for 2 h. K2CO3 was then added to neutralize the AcOH, and the reaction mixture was filtered through a pad of CELITE®, washing with EtOAc. The filtrate was concentrated in vacuo to give the title compound (316 mg, 72%) as a white solid. 1H NMR (CDCl3, 1.5:1 mixture of amide rotamers) δ 7.26-7.10 (m, 4H), 5.17 (d, J=18.0 Hz, 0.5H), 4.90 (dt, J=5.1, 9.4 Hz, 0.5H), 4.66-4.44 (m, 1H), 4.39-4.23 (m, 1H), 3.66-3.55 (m, 1H), 3.55-3.45 (m, 1H), 3.14 (dd, J=5.9, 16.3 Hz, 0.5H), 3.02 (dd, J=6.2, 15.8 Hz, 0.5H), 2.92-2.76 (m, 1H), 2.27 (s, 1H), 2.24 (s, 2H); MS(ESI+) m/z 206.1 (M+H)+. The resulting reaction mixture the reaction mixture was filtered through a pad of CELITE® washing with EtOAc The filtrate was concentrated in vacuo

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

Procedure: This compound is obtained using a protocol from the literature (R. B. Kawthekar et al South Africa Journal of Chemistry 63, 195, 2009) starting from 15 g of (3S)-1,2,3,4-tetrahydroisoquinolin-3-ylmethanol (91.9 mmol) in the presence of benzyl chloroformate and triethylamine in solution in dichloromethane. After purification by chromatography over silica gel using petroleum ether and ethyl acetate as eluants, the title product is obtained in the form of an oil. This compound is obtained After purification by chromatography over silica gel

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

Procedure: This compound is obtained using a protocol from the literature (R. B. Kawthekar et al South Africa Journal of Chemistry 63, 195, 2009) starting from 15 g of (3S)-1,2,3,4-tetrahydroisoquinolin-3-ylmethanol (91.9 mmol) in the presence of benzyl chloroformate and triethylamine in solution in dichloromethane. After purification by chromatography over silica gel using petroleum ether and ethyl acetate as eluants, the title product is obtained in the form of an oil. This compound is obtained After purification by chromatography over silica gel

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

Procedure: A solution of (S)-3-hydroxymethyl-1,2,3,4-tetrahydroisoquinoline (41 g.) in a mixture of sulphuric acid (d = 1.83; 13 cc.) and water (70 cc.) is heated at 110° C. Water (about 50 cc.) is distilled off and the mixture is then concentrated under reduced pressure (20 mm. Hg) at 100° C. The brown oily residue is taken up in a mixture of sulphuric acid (d = 1.83; 13 cc. ) and water (70 cc.); water (50 cc.) is again distilled off and the mixture is then concentrated as previously described, after which the concentration is finished at 100° C. under reduced pressure (1 mm. Hg). The residue, which crystallises on cooling, is recrystallised from a mixture of ethanol (140 cc.) and water (60 cc.) After cooling for 15 hours at about 5° C., the crystals which have appeared are filtered off and washed with a mixture of ethanol and water (3:1 by volume) (20 cc.) and then with ethanol (2 × 25 cc.). After drying at 60° C . under reduced pressure (1 mm. Hg), (S)-3-hydroxysulphonyloxymethyl-1,2,3,4-tetrahydroisoquinoline (48 g.) is obtained in the form of white crystals. Water (about 50 cc.) is distilled off the mixture is then concentrated under reduced pressure (20 mm. Hg) at 100° C The brown oily residue is taken up in a mixture of sulphuric acid (d = 1.83; 13 cc. ) and water (70 cc.) water (50 cc.) is again distilled off the mixture is then concentrated after which the concentration is finished at 100° C. under reduced pressure (1 mm. Hg) The residue, which crystallises on cooling is recrystallised from a mixture of ethanol (140 cc.) and water (60 cc.) After cooling for 15 hours at about 5° C. the crystals which have appeared are filtered off washed with a mixture of ethanol and water (3:1 by volume) (20 cc.) After drying at 60° C