Development of Heterogeneous Metathesis Catalysts with Nanopores
纳米孔多相复分解催化剂的开发
基本信息
- 批准号:18065004
- 负责人:
- 金额:$ 21.25万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research on Priority Areas
- 财政年份:2006
- 资助国家:日本
- 起止时间:2006 至 2009
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Olefin metathesis reactions have been performed by transition metal complexes or oxides of molybdenum and tungsten. Among heterogeneous catalysts for metathesis, it is well known that rhenium-based catalysts are powerful ones. For example, supported Re_2O_7 shows higher activity for liquid-phase metathesis reactions of simple olefins than MoO_3 and WO_3 catalysts. Although rhenium-based catalysts have high potential for olefin metathesis, they have serious drawbacks of little activity toward functionalized olefins without help of additives such as R4Sn and R4Pb. In 1991, organometallic methyltrioxorhenium (MTO) was reported to smoothly induce the metathesis of functionalized olefin only on the surface of a solid acid, SiO_2-Al_2O_3. However, the nature of the rhenium species and the role of the catalyst carrier, SiO_2-Al_2O_3, have not been fully illuminated. In this study, we found that a zinc chloride-modified mesoporous alumina, ZnCl_2//meso-Al_2O_3, with a high surface area, relatively uniform mesopores, and Lewis acidic character was developed, and that MTO doped on the alumina, MTO/ZnCl_2//meso-Al_2O_3, demonstrated higher catalytic performance for the metathesis of functionalized olefins than Herrmann's system of MTO on SiO_2-Al_2O_3 (MTO/SiO_2-Al_2O_3). In our catalytic system, ZnCl_2//meso-Al_2O_3 not only immobilizes MTO on its solid surface, but also activates MTO enough to accelerate the metathesis of functionalized olefins.
烯烃复分解反应已经通过钼和钨的过渡金属络合物或氧化物进行。在用于复分解的多相催化剂中,众所周知的是基于铱的催化剂是强有力的催化剂。例如,负载型Re_2O_7催化剂对简单烯烃的液相复分解反应表现出比MoO_3和WO_3催化剂更高的活性。尽管基于铱的催化剂具有高的烯烃复分解潜力,但是它们具有严重的缺点,即在没有添加剂如R4 Sn和R4 Pb的帮助下对官能化烯烃的活性很小。1991年,有机金属甲基三氧化铼(MTO)被报道仅在固体酸SiO_2-Al_2O_3表面上就能顺利地诱导官能化烯烃的复分解反应。然而,对催化剂载体SiO_2-Al_2O_3的作用以及催化剂中的活性组分的性质还没有完全阐明。本研究中,我们制备了一种具有高比表面积、相对均匀的介孔结构和刘易斯酸性的介孔氧化铝(ZnCl_2//meso-Al_2 O_3),并在此基础上制备了MTO/ZnCl_2//meso-Al_2 O_3,结果表明,该催化剂对官能化烯烃的歧化反应性能优于Herrmann的MTO/SiO_2-Al_2O_3体系(MTO/SiO_2-Al_2O_3)。ZnCl_2//meso-Al_2 O_3催化体系不仅能将MTO固定在固体表面,而且能充分活化MTO,促进功能化烯烃的歧化反应。
项目成果
期刊论文数量(33)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
An Efficient Heterogeneous Pd Catalyst for the Suzuki Coupling, Pd/Al2O3
用于 Suzuki 耦合的高效多相 Pd 催化剂 Pd/Al2O3
- DOI:
- 发表时间:2007
- 期刊:
- 影响因子:0
- 作者:D.Kudo;Y.Masui;M.Onaka
- 通讯作者:M.Onaka
Direct allylation of α-aryl alcohols with allyltrimethylsilane catalyzed by heterogeneous tin ion-exchanged montmorillonite
- DOI:10.1016/j.tetlet.2010.04.074
- 发表时间:2010-06
- 期刊:
- 影响因子:1.8
- 作者:Jiacheng Wang;Y. Masui;M. Onaka
- 通讯作者:Jiacheng Wang;Y. Masui;M. Onaka
Sulfated Mesoporous Alumina : A Highly Effective Solid Strong Base Catalyst for the Tishchenko Reaction in Supercritical Carbon Dioxide
硫酸化介孔氧化铝:一种高效固体强碱催化剂,用于超临界二氧化碳中的 Tishchenko 反应
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:T.Seki;M.Onaka
- 通讯作者:M.Onaka
"Concerto Catalysis" of Organorhenium Fixed on Mesoporous Alumina Modified with ZnCl_2 for Metathesis Reactions of Functionalized Olefins
ZnCl_2改性介孔氧化铝固定有机铼“协奏催化”功能化烯烃复分解反应
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:M.Onaka;T.Oikawa;Y.Masui
- 通讯作者:Y.Masui
塩化亜鉛修飾メソポーラスアルミナ担体の表面構造と,担持MeReO_3が示すメタセシス活性向上への役割
氯化锌改性介孔氧化铝载体的表面结构及负载MeReO_3提高复分解活性的作用
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:増井洋一;田中庸裕;寺村謙太郎;尾中篤
- 通讯作者:尾中篤
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ONAKA Makoto其他文献
ONAKA Makoto的其他文献
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{{ truncateString('ONAKA Makoto', 18)}}的其他基金
Stabilization effects on labile chemical species by confinement in the zeolite's nanopores and its application to novel organic reactions
沸石纳米孔中的限制对不稳定化学物质的稳定作用及其在新型有机反应中的应用
- 批准号:
16H04562 - 财政年份:2016
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of highly porous carbon nitraide and its application to catalytic reactions
高孔氮化碳的研制及其在催化反应中的应用
- 批准号:
25630361 - 财政年份:2013
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
The Problem of Annexation of the Baltic States during the World WarII, 1939-1940.
第二次世界大战期间波罗的海国家的吞并问题,1939-1940。
- 批准号:
18730121 - 财政年份:2006
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
Development of Nanoporous Material-based Heterogeneous Catalysts for Metathesis
纳米孔材料基复分解多相催化剂的开发
- 批准号:
16360399 - 财政年份:2004
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
A study on biocatalysts immobilized in nanospace
纳米空间固定化生物催化剂的研究
- 批准号:
13650839 - 财政年份:2001
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
THE DEVELOPMENT OF NANOPOROUS ALUMINA-SUPPORTED RHENIUM OXIDE CATALYST FOR OLEFIN METATHESIS
纳米孔氧化铝负载氧化铼烯烃复分解催化剂的研制
- 批准号:
11650805 - 财政年份:1999
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
THE DEVELOPMENT OF NANO MEDIA FOR HIGHLY EFFICIENT SYNTHESIS OF PORPHYRINS
高效合成卟啉的纳米介质的开发
- 批准号:
10555277 - 财政年份:1998
- 资助金额:
$ 21.25万 - 项目类别:
Grant-in-Aid for Scientific Research (B)