8-carbamoyl-2-(2,3-di substituted pyrid-6-yl)-1,2,3,4-tetrahydroisoquinoline derivatives as apoptosis-inducing agents for the treatment of cancer and immune and autoimmune diseases
A technology of selecting and compounding, applied in the direction of drug combination, organic active ingredients, medical preparations containing active ingredients, etc., can solve problems such as only weak binding
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Embodiment 1
[0964] 6-[8-(1,3-Benzothiazol-2-ylcarbamoyl)-3,4-dihydroisoquinolin-2(1H)-yl]-3-{1-[tricyclo[3.3 .1.1 3,7 ]dec-1-ylmethyl]-1H-pyrazol-4-yl}pyridine-2-carboxylic acid
Embodiment 1A
[0966] 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(tricyclo[3.3.1.1 3,7 ]dec-1-ylmethyl)-1 H -pyrazole
[0967] 1-(Bromomethyl)adamantane (0.458 g) and 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- A mixture of 1H-pyrazole (0.377g) in N,N-dimethylformamide (5ml) was cooled to 0°C. To this solution was added 60% sodium hydride (0.096 g). The solution was heated at 70°C overnight. The reaction mixture was partitioned between water and ethyl acetate. The aqueous layer was extracted twice with additional ethyl acetate. The combined organic layers were washed with brine, washed with MgSO 4 Dry, filter and concentrate. The residue was purified by flash column chromatography on silica gel eluting with 25% ethyl acetate / hexanes to provide the title compound.
Embodiment 1B
[0969] 8-(Benzo[d]thiazol-2-ylcarbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylic acid tert-butyl ester
[0970] To 2-(tert-butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-8-carboxylic acid (6.8 g) and benzo[ d To a solution of ]thiazol-2-amine (5.52 g) in dichloromethane (80 ml) was added 1-ethyl-3-[3-(dimethylamino)propyl]-carbodiimide hydrochloride (9.4 g) and 4-dimethylaminopyridine (6 g). The mixture was stirred overnight at room temperature. The reaction mixture was diluted with dichloromethane (400 mL), washed with 5% aqueous HCl, water and brine and washed with Na 2 SO 4 dry. The mixture was filtered and the filtrate was concentrated under reduced pressure to provide the title compound.
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