Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 137281-39-1, name is 4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid. This compound has unique chemical properties. The synthetic route is as follows. Formula: C15H14N4O3
To a suspension of intermediate G (0.50 g, 1.68 mmol) in dry DMF (10 mL) was added 2-chloro-4,6-dimethoxy-1,3,5-triazine (0.35 g, 2.01 mmol) and N-methylmorpholine (0.37 mL, 3.4 mmol) and the resulting mixture was stirred at room temperature for 3 h. A solution of intermediate E (assumed 2.5 mmol) and N-methylmorpholine (0.37 mL, 3.4 mmol) in DMF (5 mL) was added and stirring was continued at room temperature overnight. The solvent was removed under reduced pressure and the residue was purified by silica gel column chromatography (CH2Cl2/MeOH, 15/1 to 5/1) to afford (S)-benzyl 5-acetoxy-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanoate (0.70 g, 77%). LC-MS (Waters): Rt 6.14 min; m/z calculated for C29H31N5O6 [M+H]+ 546.23. found 546.0.
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Reference:
Patent; Craighead, Mark; Palin, Ronald; Murray, Neil; Lindsay, Derek; US2013/225594; (2013); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia