-acetal是什么意思

网络释义

用法例句

E,4E ) 2,4 dimethyl 5 ( p nitrophenyl)penta 2,4 dienoic acid and (2 E,4E ) 2,4 dimethyl 5 ( m nitrophenyl)penta 2,4 dienoic acid,potential antibiotics,were synthesized through aldol condensation and Perkin reaction in two steps,( 2E,4E ) 2,4 dimethyl 5 ( m nitrophenyl)penta 2,4 dienoic acid is a new compound and its structure was confirmed by IR and 1HNMR spectral analysis.

以取代苯甲醛为原料，采用醇醛缩合反应和珀金反应完成了反，反－２，４－二甲基－５－（对硝基苯基）－戊－２，４－二烯酸（３ａ）和反，反－２，４－二甲基－５－（间硝基苯基）－戊－２，４－二烯酸（３ｂ）的有效全合成，并确定了最佳反应条件。

Using substituted benzaldehyde as starting materials, 2-methyl-3- (4 - nitrophenyl) allyl-triph- enylphosphonium bromide and 2-methyl-3-(3-nitrophenyl ) allyl-triphenylphosphonium bromide, intermedi-ates of potential antibiotics, were synthesized through Aldol condensation, reduction, bromization, etc.

取代苯甲醛经醇醛缩合、硼氢化还原、溴代反应和成盐反应合成了２-甲基-３-间硝基苯基烯丙基三苯基溴化特和２-甲基-３-对硝基苯基烯丙基三苯基溴化鏻两个化合物，收率分别达８６。

Any of the class of compounds formed from aldehydes combined with alcohol.

醛缩醇，醛缩二醇任何一种由乙醛和乙醇结合而成的化合物

citronellal cycloglycol acetal

香茅醛环乙二醇缩醛

polyvinyl formal wire

聚乙烯醇缩甲醛绝缘线

pelyvinyl formal fibre

聚乙烯醇缩甲醛纤维

polyvinyl butyral cementing agent

聚乙烯醇缩丁醛粘合剂

polyvinyl acetal resin

聚乙烯醇缩乙醛树脂

GREEN SYNTHESIS OF BENZALDEHYDE 1,3-BUTANEDIOL ACETAL

苯甲醛1,3-丁二醇缩醛的绿色合成

POLYVINYL ACETAL PAINTS AND AD HESIVES-CALCULATION OF ALDEH YDE AMOUNT AND DETERMINATION OF ACETAL LEVEL

聚乙烯醇缩醛类涂料、粘合剂生产中醛用量的计算及缩醛度的测定

Synthesis of Phenylacetaldehyde 1,2-Propanediol Acetal Catalyzed by Cerium Sulfate

硫酸高铈催化合成苯乙醛1,2-丙二醇缩醛

Synthesis of Benzaldehyde 1,2-Propanediol Acetal Catalyzed by Ferric Chloride

三氯化铁催化合成苯甲醛1,2-丙二醇缩醛

Study on Application of Crotonaldehyde in Adhesives of Poly (Vinyl Acetals);

丁烯醛在聚乙烯醇缩醛胶方面的应用研究

The Synthesis of Enal Glycol Acetal and the Application in Tobacco;

烯醛乙二醇缩醛的合成及其在卷烟中的应用

Catalytic synthesis of benzaldehyde glycol acetal with SO_4~(2-)/TiO_2-WO_3;

SO_4~(2-)/TiO_2-WO_3催化剂催化合成苯甲醛乙二醇缩醛

Study on the Factors Affecting Free Formaldehyde in Poly(Vinyl formal) Resin

聚乙烯醇缩醛树脂中残留甲醛含量的影响因素

Synthesis of cinamaldehyde glycol acetal catalyzed by solid supported heteropoly acids

固载杂多酸催化合成肉桂醛乙二醇缩醛

Synthesis of Benzaldehyde 1,2-Propanediol Acetal by H_4SiW_(12)O_(40)/SG

硅钨酸/硅胶催化合成苯甲醛1,2-丙二醇缩醛

Synthesis of Furfural 1,2-Propanediol Acetal Catalyzed by Cu-Fe Hydrotaicite-Like Compounds

Cu-Fe类水滑石催化合成糠醛1,2-丙二醇缩醛

Research Progress in Catalysts for Synthesis of Benzaldehyde Glycol Acetal

合成苯甲醛乙二醇缩醛催化剂的研究进展