Br[C:2]1[N:7]=[C:6]([O:8][C@@H:9]([C@H:11]2[CH2:15][NH:14][C:13](=[O:16])[CH2:12]2)[CH3:10])[C:5]2[N:17]([CH:20]3[CH2:22][CH2:21]3)[CH:18]=[N:19][C:4]=2[CH:3]=1.[O:23]1[CH2:28][CH2:27][O:26][C:25]2[CH:29]=[C:30](B3OC(C)(C)C(C)(C)O3)[CH:31]=[CH:32][C:24]1=2.COCCOC.C(=O)([O-])[O-].[Na+].[Na+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O.CCOC(C)=O>[CH:20]1([N:17]2[C:5]3[C:6]([O:8][C@@H:9]([C@H:11]4[CH2:15][NH:14][C:13](=[O:16])[CH2:12]4)[CH3:10])=[N:7][C:2]([C:30]4[CH:31]=[CH:32][C:24]5[O:23][CH2:28][CH2:27][O:26][C:25]=5[CH:29]=4)=[CH:3][C:4]=3[N:19]=[CH:18]2)[CH2:22][CH2:21]1To a 25 ml 3-neck flask with condenser and magnetic stir bar was added (R)-4-((R)-1-((6-bromo-3-cyclopropyl-3H-imidazo[4,5-c]pyridin-4-yl)oxy)ethyl)pyrrolidin-2-on (100 mg, 0.27 mmol), 2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (90 mg, 0.34 mmol) and Pd(PPh3)4 (32 mg, 0.027 mmol) then evacuated and filled with N2 3×. Added 2 mL DME and 2N sodium carbonate (0.41 ml, 0.82 mmol) via syringe and heated in a 105° C. oil bath for ˜2 hrs at which time LC-MS indicated a complete reaction Let cool, added EtOAc and water, separated, washed with brine, dried over Na2SO4, filtered and concentrated. Purified by chromatography: ISCO 50 g C18 reverse phase 0-30% water/acetonitrile/0.1% TFA. Partially concentrated under reduced pressure added EtOAc and sat.aq.bicarb, separated, washed with brine, dried over Na2SO4, filtered and concentrated to give a white solid.
불러오는 중…