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- Aryl nitriles were obtained by the reactoin of the corresponding carboxylic acids with urea in the presence of sulfamic acid in solvent. 报道了芳羧酸在氨基磺酸存在下,在溶剂中同尿素反应生成芳腈的新的合成方法,并同熔融法的实验结果进行了对比。
- Thus a new method was offered of prepare aryl nitriles in higher yields and under milder reaction conditions, in comparison with that without any solvent. 结果表明,溶剂法的产率高,反应条件温和,易于工业化。
- Preparation of Aryl Amides by Sodium Tungstate-Catalyzed Selective Oxidation of Aryl Nitriles 钨酸钠催化芳香腈高选择性氧化制备芳香酰胺
- Keywords non-peptide antagonists;substituted imidazole;microwave;aryl nitriles;mercaptobenzocrown; 非肽类拮抗剂;取代咪唑;微波;芳香腈;巯基;
- aryl nitriles 芳香腈
- Aryl disulfides, for example, inhibit polyolefin oxidation. 例如芳基二硫化物可抑制聚烯烃的氧化。
- Keywords sodium tungstate;sodium percarbonate;sodium carbonate;hydrogen peroxide;aryl nitrile;catalytic oxidation;aryl amide; 钨酸钠;过碳酸钠;碳酸钠;过氧化氢;芳香腈;催化氧化;芳香酰胺;
- The Study in Aza-Diels-Alder Reaction of Aryl Imines with Cyclopentadiene. 芳香亚胺化合物与环戊二烯的Aza-Diels-Alder反应研究
- aryl nitrile 芳香腈
- Aromatic nitriles undergo hydrozirconation with Schwartz reagent under mild conitions. 芳腈在温和条件下进行锆氢化反应,所得产物经水解得到芳醛;
- Mei-Xiang Wang “Enantioselective Biotransformations of Nitriles in Organic Synthesis” Top. Catal. 2005 in press. 王梅祥，黄志镗，"杂环烯酮缩胺反应研究新进展"，自然科学进展，19999971.
- The most effective syhthetic condition for aryl chloroacetates was obtained experimentlly. 讨论了不同反应条件对产率的影响，通过正交实验，探索出了最佳合成条件。
- Thermal decomposition of benzalchloroimines(Ia-b)into the corresponding nitriles was found to be catalyzed by triphenyl phosphine or diphenyl sulfide. 经研究发现,在三苯膦或二苯硫醚催化下节叉氯亚胺(Ia-b)可热分解成相应的腈。
- To avoid rare allergic reactions, we recommend the use of butyl rubber/ nitril rubber gloves. 为避免少量的过敏反应，建议使用丁基或丁晴橡胶手套。
- The reaction tolerates sensitive moieties (methyl esters or nitriles), ortho substitution, and heterocycles (i.e., 2-furan). 反应灵敏萘容忍(甲基酯或腈);替代邻、杂环(即2-呋喃).
- Aim To study the synthesis and antidepressant activities of aryl alkanol piperazine derivatives. 摘要目的研究芳烷醇哌嗪类化合物的合成及抗抑郁活性。
- We discussed the mechanism of organolithium compounds catalyzed trimerization of nitriles and study the catalystic charateristics. 本文用有机锂化合物催化芳香腈加聚合成均三嗪,并探讨了催化性能。
- Cesium carbonate catalyzed O-alkylation of phenol to synthesize alkly aryl ethers. 摘要研究了碳酸铯催化酚与卤代烃反应制备烷基芳醚。
- Fatty sec-amines can be directly prepared by catalytic h ydrogenation of fatty nitriles,using ammonia synthesis gas instead of pure hydro gen. 采用合成氨厂的氨合成气代替纯氢气使脂肪腈加压催化氢化 ,可一步制得双脂肪烃基仲胺。
- Ten aryl chloroacetates were synthesized by liquid-liquid phase transfer catalysis. 摘要利用液－液相转移催化法合成了10种氯乙酸芳酯。
