Synthetic Route of 29578-39-0, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 29578-39-0 as follows.
A mixture of 1-bromo-3-fluoro-5-methoxy-benzene (80 g, 0.39 mol), TEA (118 g, 1.17 mol), Pd(OAc)2 (16 g, 20%) and DPPP (16 g, 20%) in MeOH (800 mL) is stirred under a 3 Mpa atmosphere of CO for 2 days. The mixture is filtered and the filtrate is concentrated under reduced pressure. The crude is purified by flash silica gel chromatography to afford compound D-9-1 (42 g, 59% yield).
According to the analysis of related databases, 29578-39-0, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Boehringer Ingelheim International GmbH; BRENNEMAN, Jehrod Burnett; GINN, John David; HOPKINS, Tamara Denise; LOWE, MIchael D.; SARKO, Christopher Ronald; WESTBROOK, John A.; YU, Maolin; ZHANG, Zhonghua; (233 pag.)US2016/24059; (2016); A1;,
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