肉桂醇
- 网络Cinnamyl Alcohol;cinnamic alcohol;CMO
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采用FT-IR、紫外漫反射、低温氮吸附对其进行表征,用肉桂醇的环氧化反应考察这几种固载型催化剂的催化性能。
FT-IR , UV-Vis diffuse reflection spectra and N2 volumetric adsorptions were adopted to characterize these catalysts . The epoxidation of cinnamyl alcohol was employed to check the catalytic performances of these catalysts .
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而肉桂醇脱氢酶(CAD)是控制木质素生物合成途径的关键酶之一,然而茶树体内CAD基因相关研究及其与抗虫性之间的关系研究至今未见报道。
Cinnamyl alcohol dehydrogenase is one of the key genes that plays an important role in the synthesis of the monomeric precursors of lignin . However , the research between the CAD in tea and in pests resistance has not been reported up to now .
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根据本工艺提取的蜂胶经GC-MS检测,检测结果表明所提蜂胶中含有192种物质,包括黄酮类化合物、肉桂醇、羊毛甾醇醋酸盐、十六酸、十八烯、二十二烷酸和维生素E等。
According to GC-MS analysis , the propolis contains 192 substances , including flavonoids , cinnamic alcohol , lanosterol acetate , hexadecanoic acid , 18-ene , 22 alkyl acids , vitamin E , etc.2 .
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其中以肉桂醇(tyrosol)含量最高,相对含量达26%;
The cinnamic alcohol content among them was highest , relative content reaching 26 % .
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结果表明gh2是一个木质素缺陷突变体,GH2编码一个肉桂醇脱氢酶(CAD)。
The result shows that the gh2 mutant is a lignin-deficient mutant , and GH2 encodes a cinnamyl-alcohol dehydrogenase ( CAD ) .
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在温和条件下,采用便宜的过氧化氢,在D-果糖衍生物催化下得到了(S,S)构型瑞波西汀关键中间体(R,R)肉桂醇环氧化物,获得了高产率和立体选择性。
( R , R ) Cinnamyl alcohol epoxide , a key intermediate of ( S , S ) reboxetine , was synthesized under mild conditions using inexpensive hydrogen peroxide as an oxidant catalyzed by D fructose derived ketone with high yield and excellent enantiomeric excess .
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杜仲肉桂醇脱氢酶基因克隆及序列分析
Cloning of cDNA encoding cinnamyl alcohol dehydrogenase from Eucommia ulmoides Oliv
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作者研究了反式肉桂醇的不对称环氧化。
Asymmetric epoxidation of cinnamyl alcohol was studied .
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固体聚合物电解质在肉桂醇电化学氧化中的应用(Ⅰ)
Application of SPE ( solid polymer electrolyte ) in electrooxidation of cinnamyl alcohol (ⅰ)
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测定表明,低温显著抑制了纤维合成相关的酶如苯丙氨酸解氨酶、多酚氧化酶、肉桂醇脱氢酶和过氧化物酶的活性;
Low temperature reduced the activities of the enzymes related to fiber synthesis , including phenylalanine deaminase , polyphenol oxidase , cinnamyl alcohol dehydrogenase and peroxidase .
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这里用Ru/Al2O3载体催化剂,由分子氧氧化肉桂醇制取肉桂醛。此催化剂具有高的催化转化率和很好的选择性。
Ru / Al2O3 catalyst is used to synthesize cinnamaldehyde by oxidation of cinnamic alcohol with molecular oxygen , here , and has high yield and selectivity .
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这是第一次研究非维管植物中的肉桂醇脱氢酶,本研究为通过代谢工程手段提高木质素含量提供了两个候选基因,同时有助于理解木质素的起源和进化。
This is the first time that the CADs in liverworts have been functionally characterized . This study provided two candidate genes to improve the lignin content through metabolic engineering , and it also would contribute to understand the evolution and origin of lignin .
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研究了肉桂油逆醇醛缩合制备天然级苯甲醛。
Preparation of natural benzaldehyde was studied by retro - aldol reaction of cinnamon oil .
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传统的肉桂醛制肉桂醇的均相化学还原法存在成本高、产物分离困难和污染环境等弊端,采用多相催化可解决上述问题。
The method of traditionally homogeneous chemical reduction is disadvantageous of high cost , difficult separation of products and environmental pollution , but heterogeneous catalystic technology can solve the problems .
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Fe对肉桂醛选择性加氢为肉桂醇的Co/γ-Al2O3催化剂的改性研究
Modification of Co / γ - Al_2O_3 Catalyst by Fe for Selective Hydrogenation of Cinnamaldehyde to Cinnamyl Alcohol
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肉桂醛选择性加氢合成肉桂醇的研究进展
Recent progresses in selective catalytic hydrogenation of cinnamaldehyde to cinnamyl alcohol
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肉桂醛选择加氢制肉桂醇催化剂的研究进展
The development of catalysts in selective hydrogenation of cinnamaldehyde to cinnamyl alcohol
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以肉桂醛选择性加氢制肉桂醇反应来评价铂纳米粒子的催化活性。
The system exhibited excellent selectivity ( > 95 % ) for cinnamic alcohol with high conversion ( > 90 % ), and the catalysts were recycled with the activity and selectivity preserved .
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Co/TiO2-SiO2催化剂上肉桂醛选择性加氢制备肉桂醇
Selective hydrogenation of cinnamaldehyde to cinnamyl alcohol over Co / TiO_2-SiO_2 catalysts
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Co-B非晶态合金催化肉桂醛液相选择性加氢制备肉桂醇的研究
Study on liquid phase cinnamaldehyde selective hydrogenation to cinnamyl alcohol over a Co-B amorphous alloy catalyst
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第一步将肉桂酸制成肉桂酰氯,第二步将肉桂酰氯与苄醇反应制得肉桂酸苄酯。结构经IR,1HNMR和MS确证。
Benzyl cinnamate was synthesized by a two-step reaction : cinnamic acid reacted with thionyl chloride giving cinnamyl chloride and cinnamyl chloride was then reacted with benzyl alcohol giving benzyl cinnamate whose structure was characterized by IR , 1H NMR and MS.