反应详情

3-Methoxymethyl-1-{2-[4-(4-pyrimidin-2-yl-phenyl)-3,6-dihydro-2H-pyridin-1-yl]-acetyl}-pyrrolidine-3-carboxylic acid methyl ester (500 mg, 1.11 mmol) was added to a solution of 10 ml of 50% methanol/dichloromethane. 5 mL of 1N NaOH was added and the reaction mixture stirred for 18 hrs. 5.5 ml of 1N HCl was added and the reaction mixture evaporated to dryness. To the crude reaction mixture was added 3-(2-Cyclopropyl-pyridin-4-yl)-1-trityl-1H-indazol-5-ylamine (601 mg, 1.22 mmol), HATU (464 mg, 6.66 mmol), triethylamine (0.93 ml, 6.66 mmol) and 10 ml of 50% N,N-dimethylformamide/dichloromethane. The reaction mixture was stirred for 18 hrs. followed by washing with brine and extracted with ethylacetate 3×. After evaporation of the organic layers, the crude reaction mixture was chromatographed on silica gel using 1-3% 2N NH3/methanol/dichlormethane as the eluent to obtain 570 mg of title product.

1. customthe reaction mixture evaporated to dryness
2. customTo the crude reaction mixture
3. stirringThe reaction mixture was stirred for 18 hrs
4. washby washing with brine
5. extractionextracted with ethylacetate 3×
6. customAfter evaporation of the organic layers
7. customthe crude reaction mixture
8. customwas chromatographed on silica gel using 1-3% 2N NH3/methanol/dichlormethane as the eluent