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Catalyzed oxidation of 2,6-dimethylphenol in Triton X-100 micellar solution

tentofproductsafterreaction48ha. 25. C,[link widoczny dla zalogowanych], pH7, [Cu (acacen)] = 5 × 10 a mol / L, [H202] 0 = 0.02mol / L, [DMP] 0 = 1 × 10 a mol / L, [TritonX. 10o] = 3.3 × 10 a mol / 1. , Becausedbythechangeofmicro. environmentforthereaction. Thelessdielectricconstantandpolarityinmicellarmediumthanthatinaqueoussolutioncausemorelarge ThestrongerattractiveabilityofCutophenolateanionleadtothechangeofthechargeontheparacarbonofphenolfromnegativetopositive, intheresulttoformphenoxoniumcationasthekeyintermediate. ConsequentlyanucleophilicaRackofD ~ II, orphenolateontheparacarbonofphenoxonlumcationresultedinthehighselectivityforC-ocouping 【8】. 11liSworkindicatedthatTritonX. 1o0miceHarmicro-environmentnotonlychangedthereactionratebutalSOchangedtheselectivityofproductsfortheoxidativecoupfingofDMcatalyzedbytheCu (acacen) complex. ThisworkwassupportedbytheNationalNaturalScienceFoundationofChina (No.20107004) andtheScienceFoundationofDepartmentofEducationofZhejiangProvince (No.20061609). [11A. S. Hay, Polym. Sci. , PartA: Polym. Chem. 36 (1998) 505. 【21R. Ike ~ la, J. Sugihar ~ H. Uyama, S. Kobayashi, Macromolecules29 (27) (1996) 8702. 【31G. Aubel, S. S. Khokhar, WL. Driessen, eta1. J. Mo1. Cata1. A: Chem. 175 (2001) 27. f41S. Tawio ~ lu. Tetrahcdron52 '(34) (1996) llll3. 【51Zhu,[link widoczny dla zalogowanych], X. G. Meng, R. R. Zang, eta1. chin. J. Cata1.26 (4) (2005) 317. 【6】 A. E. Martell,[link widoczny dla zalogowanych], R. LinnBelfortLM. Calvin,[link widoczny dla zalogowanych], J. Inorg. Nuc1. Chem. 5 (1958) 170. f71X. G. Meng, J. Zhu,[link widoczny dla zalogowanych], eta1. J. Chem. Tcchno1. Biotcchno1.81 (20o6) 2. 【81PJ. Baesjou, WL. Driessen, G. Challa, J. Reedijk, J. Am. Chem. Soc. 119 (1997) 1259o eleven ∞ 1), l0E-R0rJ0 a] / l0E a 【(workers. A .0 r