四氢吡咯
- 网络Pyrrolidine;tetrahydropyrrole
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以草酸二乙酯、丙酸乙酯、四氢吡咯等为原料经消除、取代等一系列反应合成新型生理致凉剂2(5H)-MPF。
Through series of eliminating and substituting reactions , using diethyl oxalate , ethyl propionate , pyrrolidine etc. as starting material , we achieve the new coolant 2 ( 5H ) - MPF .
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1-甲基-2-(β-羟乙基)四氢吡咯的合成
The synthesis of 1-methyl-2 - (β - hydroxyethyl ) pyrrolidine
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微波辐射下含四氢吡咯环C(60)衍生物的合成
Synthesis of C_ ( 60 ) - tetrahydropyrrole Ring Derivatives under Microwave Irradiation
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以氨基酸、醛和C60为原料在无溶剂条件下应用微波技术合成一系列含不同取代基的四氢吡咯环C60衍生物,该反应在8~10min内完成,产率50%~74%。
A series of C 60 tetrahydropyrrole ring derivatives were synthesized via the reaction of amino acid , aldehyde with C 60 under microwave irradiation conditions without any solvent . The reactions were completed within 8 ~ 10 min in 50 % ~ 74 % yields .
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简要考察了不同活性组分对合成四氢吡咯的影响。
Briefly investigated the effect of different active component on synthesizing pyrrolidine .
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本文首先综述了苯甲酰胺类化合物、N-乙基-2-氨甲基四氢吡咯和胍基化合物的生理活性。
Biological activities and synthetic methods of benzamides , N-ethyl-2-amino-methylpyrrolidine ( EAMP ) and guanidine are reviewed .
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螺旋结构与旋光方向II&2-取代四氢吡咯的螺旋结构与旋光方向
Helical Structure and Optical Direction II & The Relationship Between Helical Structure and Optical Direction of 2-Substituted Tetrahydropyrrole
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按照平面式中存在的螺旋,利用螺旋理论可以估算2取代四氢吡咯的旋光方向,对于各种不同类型的这类化合物,都能准确地将化合物的构型和旋光方向联系在一起。
According to helix in plane formula , the rotatory direction of 2-substituted tetrahydropyrrole can be estimated by using the helix theory .
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结果表明,四氢吡咯的催化效果最好,催化活性明显高于哌啶。
The results clearly demonstrated that pyrrolidine was an appropriate catalyst for this reaction and the catalytic reactivity of pyrrolidine was much higher than piperidine .
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以芳香醛,α-溴代苯乙酮与氨基酸酯亚胺类化合物在金属锌粉的作用下,生成一系列的四氢吡咯化合物。
The second part is about that five-membered rings compounds were synthesised using aromatic aldehyde ,α - bromoketone and imine ester in the present of zinc power .
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方法:以四氢吡咯、3-氯-1,2-环氧丙烷、亚硫酸氢钠为原料,通过一种氢型的阳离子交换树脂合成3-(N-四氢吡咯)-2-羟基丙磺酸。
Methods : 3 ( N tetrahydropyrrole ) 2 hydroxy is synthesized through a hydrogen form of a cation exchange resin with propanesulfonic acid , tetrahydropyrrole , epichlorohydrin , sodium hydrogen sulfite as its material .
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第三章介绍了两种新颖实用的分别合成四取代二氢吡咯和五取代二氢吡咯衍生物的MCRs及其相应的反应机理。
Two novel and practical MCRs for the synthesis of tetra - and penta-substituted dihydropyrroles respectively and the corresponding reaction mechanisms are described in the third chapter .