Introduction of a new synthetic route about 1042141-37-6

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 1042141-37-6, name is Methyl 2-bromoimidazo[1,2-a]pyridine-6-carboxylate. A new synthetic method of this compound is introduced below., COA of Formula: C9H7BrN2O2

A mixture of methyl delta-bromo-lJ-diazabicyclo^^.OJnona^^^jdelta-tetraene-S-carboxylate (0.39 mmol, 100 mg), (6-dimethylaminopyridin-3-yl)boronic acid (0.59 mmol, 98 mg), cesium carbonate (1.57 mmol, 510 mg) and Pd(dppf)Cl2*DCM ( 39 mumol, 32 mg) was dissolved in DMF (3 ml). The mixture was stirred at 80 0C for 1 h and filtered. The filtrate lambdavas subjected to preparative HPLC to give 20 mg of the title compound as a white solid. IH NMR (400 MHz, DMSO-^6) delta ppm 9.24 (s, 1 H) 8.69 (d, J=2.02 Hz, 1 H) 8.38 (s, 1 H) 8.02 (dd, J=8.84, 2.27 Hz, 1 H) 7.61 (s, 2 H) 6.73 (d, J=8.84 Hz, 1 H) 3.89 (s, 3 H) 3.08 (s, 6 H); MS m/z (M+H) 297

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Reference:
Patent; ASTRAZENECA AB; WO2008/91195; (2008); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem