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. 450412-29-0, name is 1-Bromo-3-fluoro-2-iodobenzene, A new synthetic method of this compound is introduced below., name: 1-Bromo-3-fluoro-2-iodobenzene
Bromo-3-fluoro-2-iodobenzene (100 g, 333.5 mmol), 5-chloro-2-methoxyphenylboronic acid 2-methoxyphenyl) boronic acid (62.2 g, 333.5 mmol) was dissolved in 800 ml of tetrahydrofuran (THF). A solution (500 mL) of sodium carbonate (Na2CO3) 2M and tetrakis (triphenylphosphine) palladium (0) [Pd (PPh3) 4] (7.7 g, 6.7 mmol) were added thereto and refluxed for 12 hours. After the reaction was completed, the mixture was cooled to room temperature, and the resulting mixture was extracted three times with water and toluene. The toluene layer was separated and dried with magnesium sulfate, and the filtrate was distilled under reduced pressure. The resulting mixture was recrystallized three times using chloroform and ethanol to obtain Compound P-1 (53.7 g, yield: 51%)
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.
Reference:
Patent; LG Chem, Ltd.; Jeong Min-u; Lee Dong-hun; Park Tae-yun; Cho Seong-mi; Moon Jeong-uk; Lee Jeong-ha; (34 pag.)KR2018/10149; (2018); A;,
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