The catalytic activity of VO(acac)2 for the cyclohexane(Cy) oxidation was studied. The effects of various parameters, such as the amounts of H202, HNO3, H20 and Cy were investigated. The highest total turnover num...The catalytic activity of VO(acac)2 for the cyclohexane(Cy) oxidation was studied. The effects of various parameters, such as the amounts of H202, HNO3, H20 and Cy were investigated. The highest total turnover num- ber(TON) is 234, which can be increased to 353, 342 and 403, respectively with the adding of o-phthalic, m-phthalic or p-phthalic acid. A reaction mechanism was also supposed primarily.展开更多
epi-Chrysotricine 6 was synthesized by a cascade stereoselective oxidative cyclization of 5-hydroxyalkene 3 using tert-butyl hydroperoxide(TBHP) catalyzed by VO(acac)2.
基金Supported by the National Natural Science Foundation of China(Nos.21306073, 21371086) and the Science and Technology Fund for Outstanding Young Talents in Dalian, China(No.2012J21DW007).
文摘The catalytic activity of VO(acac)2 for the cyclohexane(Cy) oxidation was studied. The effects of various parameters, such as the amounts of H202, HNO3, H20 and Cy were investigated. The highest total turnover num- ber(TON) is 234, which can be increased to 353, 342 and 403, respectively with the adding of o-phthalic, m-phthalic or p-phthalic acid. A reaction mechanism was also supposed primarily.
基金the National Research Center for Analysis of Drugs and Metabolites for recording NMR and MS data. This project was partially fo
文摘epi-Chrysotricine 6 was synthesized by a cascade stereoselective oxidative cyclization of 5-hydroxyalkene 3 using tert-butyl hydroperoxide(TBHP) catalyzed by VO(acac)2.