Adding a certain compound to certain chemical reactions, such as: 18599-22-9, name is 4-Bromo-3,3,4,4-tetrafluorobut-1-ene, belongs to bromides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 18599-22-9, Formula: C4H3BrF4
General procedure: In a two-necked round-bottomed flask, equipped with a teflon-coated stirrer bar and reflux condenser, was added ethyl 2-iodobenzoate (3j, 0.14 g 0.50 mmol), Cu2O (0.060 g, 0.42 mmol), and a DMF solution of 2-Zn (0.65 M, 1.54 mL, 1.0 mmol), and the mixture was stirred at 100 C for 24 h. After being cooled to room temperature, the resulting solution was subjected to a short pad of silica gel using hexanes as an eluent. The filtrate was concentrated in vacuo to give the crude materials, which was purified by silica gel column chromatography to provide the corresponding compound 4j (0.13 g, 0.48 mmol) in 96% yield as an yellow oil.
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Reference:
Article; Tamamoto, Ken; Yamada, Shigeyuki; Konno, Tsutomu; Beilstein Journal of Organic Chemistry; vol. 14; (2018); p. 2375 – 2383;,
Bromide – Wikipedia,
bromide – Wiktionary