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学科主题: 物理化学
题名: Supported organocatalysts for direct aldol reaction
作者: Gao JS(高金索) ;  Yang QH(杨启华)
会议名称: Sixth Tokyo Conference on Advanced Catalytic Science and Technology & Fifth Asia Pacific Congress on Catalysis
会议日期: 2010-7-18
出版日期: 2010-07-18
会议地点: 日本
通讯作者: 杨启华
部门归属: 五室
主办者: 北海道大学
摘要: the nanocomposites formed by SO3H-hollow-nanosphere and chiral amine are highly efficient catalysts for the direct asymmetric aldol reaction of cyclohexanone and 4-nitrobenzaldehyde. The catalyst showed 91% yield with 96% ee under optimized reaction conditions. The nanocomposites showed much higher reaction rate than the catalyst formed be the combination of chiral amine and SO3H-mesoporous-organosilica(ribbon shaped particle with particle size of tens of micrometers)in the direct asymmetric aldol trection. This is mainly attributed to the hollow spherical morpholigy and nano-scaled partical size (16-20nm)of the SO3H-hollow-nanospheres.Our results show that the hollow nanosphere is an excellent catalysts or catalyst support for heterogeneous catalysis, and its applications in other fields can be expected.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114154
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Gao JS,Yang QH. Supported organocatalysts for direct aldol reaction[C]. 见:Sixth Tokyo Conference on Advanced Catalytic Science and Technology & Fifth Asia Pacific Congress on Catalysis. 日本. 2010-7-18.
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