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. 881-86-7, name is Dimethyl pyridine-2,5-dicarboxylate. This compound has unique chemical properties. The synthetic route is as follows. Application In Synthesis of Dimethyl pyridine-2,5-dicarboxylate
To a mixture of dimethyl pyridine-2,5-dicarboxylate (3.08 g, 15.78 mmol) and calcium chloride (7.01 g, 63.1 mmol) in tetrahydrofuran (33 mL) and EtOH (67 mL) was added sodium borohydride (1 .493 g, 39.5 mmol) in portions at 0 C. The reaction mixture was stirred at 0 C for 12 hrs. The mixture was poured into ice/water, was diluted with dichloromethane (400 ml.) and stirred vigorously for 15 minutes. The separated organic layer was dried over magnesium sulfate, filtered off and concentrated under reduced pressure providing methyl 6-(hydroxymethyl)nicotinate (1 .2 g) as an off white solid, which was directly used in the next step without further purification. LCMS (m/z): 168.0 [M+H]+; Rt = 0.26 min
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Reference:
Patent; NOVARTIS AG; BARSANTI, Paul, A.; HU, Cheng; JIN, Xianming; NG, Simon, C.; PFISTER, Keith, B.; SENDZIK, Martin; SUTTON, James; WO2012/101064; (2012); A1;,
Pyridine – Wikipedia,
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