116632-39-4, Adding a certain compound to certain chemical reactions, such as: 116632-39-4, name is 5-Bromo-2-iodotoluene, belongs to iodides-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 116632-39-4.
General procedure: To a stirred solution of 6-bromo-3-pyridyl boronic acid (1.25 equiv, 847 mg, 4.20 mmol) in 1,4-dioxane (30 mL) under nitrogen were added 5-bromo-2-iodotoluene (1 g, 3.36 mmol) and tetrakis-(triphenylphosphine)palladium(0) (0.05 equiv, 195 mg, 0.17 mmol). After 5 min of stirring, aqueous Na2CO3 (2.5 equiv, 892 mg, 8.42 mmol) in 5 mL of water was added. Then the mixture was heated to 80 C until the starting material was consumed (TLC). After cooling down to room temperature, the mixture was filtered on Celite and washed with CH2Cl2. The aqueous layer was extracted with EtOAc (2¡Á50 mL). Combined organic layers were washed with saturated aqueous solution of NaCl (50 mL), and dried over MgSO4. Solvent was removed in vacuo and crude product was purified by column chromatography, with 99:1 cyclohexane/EtOAc affording 3c as a white solid (520 mg, 47%).
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Reference:
Article; Perato, Serge; Voisin-Chiret, Anne Sophie; Sopkova-De Oliveira Santos, Jana; Legay, Remi; Oulyadi, Hassan; Rault, Sylvain; Tetrahedron; vol. 68; 7; (2012); p. 1910 – 1917;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com