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. 64951-06-0, name is Ethyl imidazo[1,2-a]pyrimidine-2-carboxylate. This compound has unique chemical properties. The synthetic route is as follows. Product Details of 64951-06-0
To a stirred solution of ethyl imidazo[l ,2-alpha]pyrimidine-2-carboxylate or ethyl imidazo[1,2-a]pyrimidine-3-carboxylate (1 g, 5.2 mmol) in ethanol (40 mL) was added hydrazine monohydrate (0.28 mL, 5.7 mmol). The reaction was heated to 75 C for 16 h and was concentrated under reduced pressure. The resulting light yellow solid was suspended in diethyl ether and filtered to collect ethyl 2-amino-1H-imidazole-4- carboxylate (800 mg, 100%) as a white solid. [00243] 1E NMR (400 MHz, CD3OD) 5 7.27 (s, 1H), 4.24 (q, J= 7.0 Hz, 2H), 1.31(t, J= 7.0 Hz, 3H).[00244] 13C NMR (500 MHz, CD3OD) delta 165.5, 156.1, 131.8, 125.7, 63.8, 17.3.[00245] HPLC Phenomenex LUNA C- 18 4.6 x 50 mm, 0 to 100% B over 4 minutes, 1 minutes hold time, A = 90% water, 10% methanol, 0.1% TFA, B = 10% water, 90% methanol, 0.1% TFA, RT = 0.46 min, 100% homogeneity index.[00246] Anal. Calcd for C6H9N3O2: C, 46.44; H, 5.84; N5 27.08. Found: C, 46.17;H, 5.65; N, 27.28.[00247] HRMS: Anal. Calcd. for C6Hi0N3O2 156.0773 found: 156.0779 (M+H)+.
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Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; WO2006/71752; (2006); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia