magnetometer (VSM), scanning electron microscopy (SEM), powder X‐ray diffraction (XRD) and thermogravimetric analysis (TGA). Then, the aerobic enantioselective oxidation of olefins to the corresponding epoxide was investigated in the presence of magnetic chiral CoFe2O4@SiO2@Mn (III) complex at ambient conditions within 90 min. The results showed the corresponding products were synthesized with excellent
在本研究中,合成了CoFe 2 O 4 @SiO 2 @C
PTMS纳米复合材料,并将均匀的手性Mn-salen复合物共价锚定在CoFe 2 O 4 @SiO 2 @C
PTMS纳米复合材料的表面上。Mn-salen多相磁性纳米催化剂(CoFe 2 O 4 @SiO 2@ C
PTMS @手性
锰(III)配合物的特征在于不同的技术,包括透射电子显微镜(
TEM),傅立叶变换红外(FT-IR),振动样品磁力计(VSM),扫描电子显微镜(
SEM),粉末X射线衍射(XRD)和热重分析(TGA)。然后,在环境条件下在90分钟内在磁性手性CoFe 2 O 4 @SiO 2 @Mn(III)络合物的存在下研究了烯烃的好氧对映选择性氧化为相应的
环氧化物。结果表明,合成的相应产物具有优异的收率和选择性。另外,非均相CoFe 2 O 4 @SiO 2C
PTMS @手性Mn(III)配合物具有诸如与其均相类似物以及温