Adding a certain compound to certain chemical reactions, such as: 588-96-5, name is p-Bromophenetole, belongs to ethers-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 588-96-5, Application In Synthesis of p-Bromophenetole
To a solution of tert-butyl 4-(piperazinyisulfonyl)perhydro-2H-pyran-4-carboxyate (715 mg, 2.14 mmol, supplied by CarboGen) in toluene (15 mL) under N2 were added 1-bromo-4-ethoxybenzene (473 mg, 2.35 mmol), sodium tert-butoxide (514 mg, 5.35 mmol), palladium(II) acetate (5.0 mg, 0.021 mmol), and tri-tert-butylphosphine (3.5 mg, 0.17 mmol). The reaction was continued overnight at 60 C. under N2. No starting material remained at this time, so the reaction mixture was diluted with methanol and concentrated under reduced pressure. The residue was partially dissolved in dichloromethane and filtered. The filtrate was concentrated under reduced pressure, and the resulting dark material was triturated with diethyl ether to produce a white solid, which was collected by suction filtration to produce 640 mg of clean product (66%). 1H NMR and mass spectrometry (MH+=455) were consistent with the desired structure.
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Reference:
Patent; Barta, Thomas E.; Becker, Daniel P.; Bedell, Louis J.; Boehm, Terri L.; Brown, David L.; Carroll, Jeffery N.; Chen, Yiyuan; Fobian, Yvette M.; Freskos, John N.; Gasiecki, Alan F.; Grapperhaus, Margaret L.; Heintz, Robert M.; Hockerman, Susan L.; Kassab, Darren J.; Khanna, Ish K.; Kolodziej, Stephen A.; Massa, Mark A.; McDonald, Joseph J.; Mischke, Brent V.; Mischke, Deborah A.; Mullins, Patrick B.; Nagy, Mark A.; Norton, Monica B.; Rico, Joseph G.; Schmidt, Michelle A.; Stehle, Nathan W.; Talley, John J.; Vernier, William F.; Villamil, Clara I.; Wang, Lijuan J.; Wynn, Thomas A.; US2005/9838; (2005); A1;,
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