甲酸

Water (Aqua), Glycerin, Propylene Glycol, Hydroxyethylcellulose, Tetrasodium EDTA, Citric Acid, Sodium Benzoate.

水（水） ，甘油，丙二醇，羟乙基纤维素， Tetrasodium乙二胺四乙酸，柠檬酸，苯甲酸钠。

This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.

摘要提供了一种境友好的成工艺制备香料邻基苯甲酸甲酯。

The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included.

给出了甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作了简单介绍。

Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.

方法以克拉霉素为起始原料,经水解、乙酰、酸酯、氧、酸酯、酰、基甲酸酯和反应成目标物。

The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.

以水华鱼腥藻为材料研究了6种基甲酸酯类农药对藻类的毒性效应。

Seamless sheath of ether-based urethane resistant to cathodic, hydraulic and other environmental conditions.

无缝铠装乙醚基基甲酸乙酯。耐阴极、液压和其它境条件。

A simultaneously potentiometric titration method for determining benzaldehyde and benzoic acid in electrosynthesis products was reported.

采用电位滴定法测定甲苯电成产物中的苯甲醛和苯甲酸,研究了盐酸羟胺用量、苯甲醇和甲苯含量对测定的影响。

It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.

确定以硫酸二甲酯为N——甲基剂,对对基苯甲酸PABA进行N——二甲基.

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲酸酐为起始原料，经四步工序成马吲哚，总收率为23．4％。

By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.

在丙甲酸异丙酯的成反应中,通过相转移催剂提高了反应收率。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药成异丙基黄原酸甲酸乙酯的影响。

Thioxanthone photoinitiator was synthesized from DTSA by chlorination and condensation with isopropylbenzene in the presence of anhydrous AlCl3.

以二硫代二苯甲酸(DTSA)经过酰氯、氯代、然后与异丙苯在三氧铝催下缩成为光引发剂。

The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.

结果发现,6种基甲酸酯类农药对水华鱼腥藻都有不同程度的毒性作用。

The effects of polyisobutene, LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.

考察了聚异丁烯、氟镧、三聚氰胺氰尿酸复物(MCA)、硫代基甲酸盐对锂-钙基脂性能的影响。

A planar tetradentate dinuclear ligand, 3, 5-bis(2-pyridyl) pyrazole, was synthesized by a three-step reaction of esterification, condensation and addition.

以2-吡啶甲酸为原料，经酯、缩、加成成了平面四齿双核配体3，5-二（2-吡啶基）吡唑。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

以邻苯二甲酸酐为原料,经硝、水、肼、还原步骤成了3-基邻苯二甲酰肼。

(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.

采用本实验室筛选到的酿酒酵母LH1催苯甲酰甲酸甲酯不对称成(R)-(-)-扁桃酸甲酯。

The preparation of hydroxyacetone was studied by esterification of chloroacetone with sodium formate and alcholysis of acetonyl formate with methanol.

以一氯丙酮、甲酸钠和甲醇为原料经酯与醇解两步反应成羟基丙酮,研究了反应条件对相转移催酯以及醇解反应蒸馏过程的影响。

Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.

成了带双羟烷基及双甲酸甲酯基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络物。

Xanthone was efficiently synthesized from o-chlorobenzoic acid first by etherization and then by Friedel-Crafts reaction in the presence of aluminium trichloride.

以邻氯苯甲酸为原料,先进行醚,再在三氯铝的作用下进行傅-克反应,可简洁、高效的成呫吨酮。