Citation:
HAN Jian-Ping, ZHAO Ji-Quan, LU Jing-Guo, ZHANG Yue-Cheng. Catalytic Epoxidation of Cyclohexene by Alanine Schiff Base Complex(Sal-Ala-Mn)[J]. Chinese Journal of Applied Chemistry,
;2004, 21(11): 1136-1140.
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The alanine Schiff base Mn(Ⅲ) complex(Sal-Ala-Mn) was synthesized from Mn(OAC)2 and the ligand obtained from the reaction of alanine with salicylaldehyde. The effects of reaction temperature and time, amounts of catalyst and isobutylaldehyde, volume of solvent on the aerobic epoxidation of cyclohexene were studied. The conversion of cyclohexene was 98.3% with a selectivity of 70.6% of cyclohexene epoxide when 2.5 mL of cyclohexene, 0.1 mmol of catalyst, 4.5 mL of isobutylaldehyde and 60 mL of acetonitrile were charged, and the reaction was run at 35℃ for 10 h.
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