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Example 52
Methanesulfonyl chloride (9.23 mg, 80.5 umol, 6.2 uL, 1 eq) was added to the mixture of compound 52-1 (30 mg, 80.5 umol, 1 eq) and TEA (24.46 mg, 0.24 mmol, 33.6 uL, 3 eq) in DCM (1 mL) at 0° C., then the mixture was stirred at 20° C. for 3 hr. LC-MS showed the desired compound was detected. The reaction mixture was diluted with H2O (10 mL) and the mixture was extracted with EA (15 mL*3). The combined organic phase was washed with brine (10 mL*3), dried with anhydrous Na2SO4, filtered and concentrated in vacuum. The residue was purified by prep-HPLC. The title compound (10 mg, 21.9 umol, 27.2% yield) was obtained as white solid. LCMS (ESI): RT=0.808 min, mass calc. for C22H21F3N2O3S 450.47, m/z found 451.2 [M+H]+; 1H NMR (400 MHz, CD3OD) δ 8.27 (s, 1H), 7.82 (d, J=2.0 Hz, 1H), 7.75 (d, J=8.0 Hz, 2H), 7.69-7.67 (m, 2H), 7.59 (d, J=8.0 Hz, 2H), 7.32 (d, J=2.3 Hz, 1H), 4.16 (quin, J=6.5 Hz, 1H), 2.98 (s, 3H), 1.19 (d, J=6.8 Hz, 6H).
Example 93
To a solution of compound 101-1 (50.0 mg, 0.15 mmol, 1.0 eq), compound 101-1a (23.1 mg, 0.18 mmol, 1.2 eq) and DIPEA (40.7 mg, 0.31 mmol, 2.0 eq) in DCM (3 mL) was added HATU (89.9 mg, 0.23 mmol, 1.5 eq). The reaction mixture was stirred at 25° C. for 1 hour. LC-MS showed starting material was consumed completely and one main peak with desired MS was detected. The reaction mixture was concentrated under reduced pressure. The mixture was diluted with water (10 mL) and the resultant mixture was extracted with EA (20 mL*3). The combined organic layers were dried over Na2SO4, filtered and concentrated to dryness under reduced pressure. The residue was purified by prep-HPLC to give the title compound (27.8 mg, 41% yield) as a white solid. LCMS (ESI): RT=0.841 min, mass calcd. for C24H18F3N3O 421.14 m/z found 422.1 [M+H]+; 1H NMR (400 MHz, CDCl3) δ 9.42 (d, J=2.3 Hz, 1H), 8.78 (d, J=2.3 Hz, 1H), 8.60 (d, J=4.5 Hz, 1H), 8.22 (br d, J=6.8 Hz, 1H), 8.02 (dd, J=1.3, 8.0 Hz, 1H), 7.87-7.82 (m, 3H), 7.81-7.77 (m, 2H), 7.77-7.69 (m, 2H), 7.35 (d, J=7.8 Hz, 1H), 7.28-7.25 (m, 1H), 5.41 (quin, J=6.8 Hz, 1H), 1.67 (s, 3H).
Example 119
The mixture of compound 127-1 (100 mg, 0.25 mmol, 1 eq), BrCN (82.2 mg, 0.77 mmol, 57.1 uL, 3 eq) and TEA (104.7 mg, 1.04 mmol, 0.14 mL, 4 eq) in DCM (2 mL) was stirred at 0° C. for 1 hr. LC-MS and HPLC showed the desired compound was detected. The reaction mixture was diluted with H2O (10 mL) and the mixture was extracted with EA (10 mL*3). The combined organic phase was washed with brine (10 mL*2), dried with anhydrous Na2SO4, filtered and concentrated in vacuum. The residue was purified by prep-HPLC. The title compound (18 mg, 43.3 umol, 16.7% yield) was obtained as brown solid. LCMS (ESI): RT=0.960 min, mass calcd for C23H20F3N3O 411.42 m/z, found 412.0 [M+H]+; 1H NMR (400 MHz, CD3OD) δ 8.47 (d, J=1.5 Hz, 1H), 8.07-8.03 (m, 1H), 7.88-7.80 (m, 5H), 7.67-7.61 (m, 3H), 7.55-7.51 (m, 1H), 3.54 (t, J=6.9 Hz, 2H), 3.37-3.31 (m, 1H), 3.16 (t, J=7.0 Hz, 2H), 2.91 (s, 3H), 2.01 (quin, J=7.0 Hz, 2H).
Example 34
A mixture of isopropyl 3-((6-chloro-3-((methyl-d3)carbamoyl)pyridazin-4-yl)amino)-4-methoxy-5-(2-methyl-2H-1,2,3-triazol-4-yl)benzoate (40 mg, 0.086 mmol), cyclopropane-carboxamide (36.8 mg, 0.432 mmol), Pd2(dba)3, chloroform adduct (8.93 mg, 8.64 μmol), xantphos (10.00 mg, 0.017 mmol) and Cs2CO3 (113 mg, 0.346 mmol) in dioxane (0.6 mL) was degassed by bubbling N2 through the mixture for 5 minutes. The reaction vessel was sealed and heated to 130° C. for 30 minutes. The reaction mixture was diluted with DMSO, filtered and purified by preparative HPLC. The pure fractions were concentrated to afford isopropyl 3-((6-(cyclopropanecarboxamido)-3-((methyl-d3)carbamoyl)pyridazin-4-yl)amino)-4-methoxy-5-(2-methyl-2H-1,2,3-triazol-4-yl)benzoate (17.5 mg; 39.6%). MS (M+1) m/z: 512.2 (M+H)+. LC retention time 1.83 [I]. 1H NMR (500 MHz, DMSO-d6) δ 11.36 (s, 1H), 11.22 (s, 1H), 9.16 (s, 1H), 8.27 (d, J=2.0 Hz, 1H), 8.22 (s, 1H), 8.17 (s, 1H), 8.03 (d, J=2.0 Hz, 1H), 5.15 (quin, J=6.2 Hz, 1H), 4.26 (s, 3H), 3.73 (s, 3H), 2.15-2.01 (m, 1H), 1.32 (d, J=6.2 Hz, 6H), 0.89-0.74 (m, 4H).
Example 226
To a solution of 226-1 (25 mg, 79 umol, 1 eq) and HATU (45.1 mg, 0.12 mmol, 1.5 eq) in DMF (1 mL) at 30° C. were added 226-1a (12.3 mg, 95 umol, 10 uL, 1.2 eq) and TEA (24.00 mg, 0.24 mmol, 33 uL, 3 eq). The mixture was stirred at 30° C. for 16 h. The reaction mixture was concentrated under reduced pressure to give a residue, which was purified by prep-HPLC (column: Waters Xbridge 150*25 5u; mobile phase: [water (0.05% ammonia hydroxide v/v)-ACN]; B %: 65%-95%, 7 min) to give the title compound (20 mg, 51 umol, 64.6% yield) as a white solid. LCMS (ESI): RT=0.900 min, mass calc. for C21H17ClF3NO 391.10, m/z found 392.0 [M+H]+; 1H NMR (400 MHz, CDCl3) δ 8.38 (d, J=1.8 Hz, 1H), 7.99 (d, J=8.3 Hz, 1H), 7.91-7.84 (m, 1H), 7.82-7.74 (m, 3H), 7.65-7.58 (m, 3H), 7.52 (dd, J=1.0, 7.0 Hz, 1H), 6.54 (brs, 1H), 4.93-4.89 (m, 1H), 3.75-3.66 (m, 4H), 2.19 (quin, J=6.5 Hz, 2H)