1) Perkin condensation
Perkin缩合
1.
Diphenylacrylic acids were synthesized from 3,4-dimethoxy benzaldehyde,3,4-methylenedioxybenzaldehyde,4-methoxyphenylacetic acid and 3,4-dimethoxyphenylacetic acid by Perkin condensation.
分别以胡椒醛、藜芦醛和对甲氧基苯乙酸、3,4-二甲氧基苯乙酸为原料经过Perkin缩合反应得到4种α,β-二芳基丙烯酸,并通过1HNMR、MS、IR确证了其结构。
2) Perkin synthesis
Perkin法合成
3) perkin synthesis
Perkin合成
4) Perkin reaction
Perkin反应
1.
Methods Using vanillin and acetic anhydride etc as raw materials,to synthesize acetyl-ferulic acid through Perkin reaction,finally acetylferuloyl chloride was synthesized.
方法先以香草醛和乙酸酐等为原料,经Perkin反应合成乙酰阿魏酸,进一步制备乙酰阿魏酰氯。
2.
Basic ionic liquid [bmim]OH has been introduced as catalyst and reaction medium for Knoeve-nagel and Perkin reactions.
以碱性离子液体[bmim]OH作为催化剂,在无溶剂条件下,催化Knoevenagel反应和Perkin反应两类缩合反应。
3.
The kinetics of Perkin reaction catalyzed by basic catalysts for synthesizing α-furylacrylic acid was investigated by means of the ultraviolet spectrophotometry,verifying a nearly one-order total reaction for each reactant.
采用紫外-可见光分光光度法研究碱性催化剂催化合成α-呋喃丙烯酸的Perkin反应动力学。
5) The Perkin localization
Perkin定域化
1.
The Perkin localization, a computational procedure after the Kost localization, transforms \%Φ\-s\% into \%φ\-s\% which possesses now th.
实际计算表明 ,Perkin定域化可以弥补 Kost程序的缺陷 ,将单占据的 Φs转化成高度定域的、对称的片断轨道 。
6) condensation reaction
缩合
1.
A monomer of polyimide 2,2′-bis[4-(3-aminophenoxy)phenyl]propane was prepared from m-dinitrobenzene and bisphenol A through condensation reaction and hydrazine hydrate reduction with an overall yield of 85.
提出了以间二硝基苯和双酚A为原料经缩合和水合肼催化还原合成聚酰亚胺的单体2,2′-双[4-(3-氨基苯氧基)苯基]丙烷的新工艺,考察了各类工艺条件对目标产物收率的影响,得到最适宜反应条件,在优化条件下,总收率为85。
2.
This paper researched the condensation reaction of 2-metylbenzimidazole and 2-methylbenzothio-zole with aromatic aldehyde in acetic anhydride to form 2-(benzimidazol-2-yl)-1-aryl-ethylene derivatives or 2-(benzothiozol-2-yl)-1-aryl-ethylene derivatives.
本文研究了2-甲基苯并咪唑和2-甲基苯并噻唑衍生物,在乙酸酐中与芳香醛缩合形成2-(2-苯并咪唑基)-1-芳基乙烯类或2-(2-苯并噻唑基)-1-芳基乙烯类化合物。
3.
The experiments show that the condensation reaction doesn't take place without ultrasonic irradiation, otherwise with ultrasonic irriation the reaction not phly occurs in ordinary condition but also good result was obtained.
本文采用超声辐射法合成了N—苯基间氯苯胺,考察了反应条件对缩合反应的影响。
补充资料:Perkin alicyclic compound synthesis
分子式:
CAS号:
性质:含有活泼亚甲基的化合物,例如丙二酸酯、乙酰乙酸乙酯等与二卤化合物在乙醇钠存在的条件下环化,即形成脂环化合物。
CAS号:
性质:含有活泼亚甲基的化合物,例如丙二酸酯、乙酰乙酸乙酯等与二卤化合物在乙醇钠存在的条件下环化,即形成脂环化合物。
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