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. 139585-48-1, name is 2-Chloro-5-methoxypyridine. This compound has unique chemical properties. The synthetic route is as follows. Quality Control of 2-Chloro-5-methoxypyridine
a) 5′-Methoxy-3,4,5,6-tetrahydro-2H-[1,2′]bipyridinyl-4-carboxylic acid ethyl ester To a stirred solution of piperidine-4-carboxylic acid ethyl ester (0.52 g, 3.34 mmol) and 2-chloro-5-methoxy-pyridine in 10 mL of toluene was added (13 mg, 0.057 mmol) of Pd(II) acetate, (17 mg, 0.027 mmol) of BINAP and tBuOK (0.44 g, 3.90 mmol). The mixture was heated at 120 C. for two hours, concentrated under vacuo and the residue was directly purified on column chromatography (SiO2, EtOAc/Hept 1:2) yielding 0.17 g (24%) of the title compound as a light yellow oil. ES-MS m/e: 265.3 (M-41′).
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Reference:
Patent; Jablonski, Philippe; Knust, Henner; Nettekoven, Matthias; Patiny-Adam, Angelique; Ratni, Hasane; Riemer, Claus; US2011/53948; (2011); A1;,
Pyridine – Wikipedia,
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