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苯甲醇

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The study of this article has value for develop of high-yield synthesis of benzyl alcohol and the enlargement of reaction vessel.

本文研究结果对高收率合成苯甲醇的新工艺开发和工业反应器的放大设计具有一定参考价值。

Benzyl alcohol has been associated with a fatal "Gasping Syndrome" in premature infants.

在早产儿中,致命的"呼吸运动失调综合症"和苯甲醇有关。

This graft copoly-met,after being dried,could not be dissolved in most solvents including benzyl alcohol and m -cresol at room temperature,except the very polar ones,such as 98% formic acid.

这种接枝共聚物一旦析出并干燥以后,在常温下不溶于包括苯甲醇、间甲苯酚在内的大多数溶剂,但却易溶于极性较强的溶剂如98%的甲酸。

The optimun technological conditions were studied on the synthesis of 9-flourenylmethanal by the reaction of flouren and ethyl formate , and the synthesis of 9-flourenylmethanol by the reaction of 9-flourenylmethanal and methanal with sodium ethylate as catalyst.

研究了乙醇钠为催化剂,由芴与甲酸乙酯合成芴甲醛,再由芴甲醛与甲醛合成苯甲醇的工艺条件,结果表明:合成芴甲醛时,当芴为 16g时,催化剂乙醇钠 4 。

In the presence of NaH and in DMF, the acyclic crown ethers 1a and 1b were synthesized by the reaction of di-or triethyleneglycol ditosylate and o-methoxymethoxybenzyl alcohol, which was obtained from salicylaldehyde via the protection of the hydroxyl group with chloromethyl methyl ether followed by the reduction of the formyl group with NaBH4. The hydrolysis of 1a and 1b with dilute hydrochloric acid provided the diphenolic type acyclic crown ethers 2a and 2b respectively in good yield.

将水杨醛与碱和氯甲基甲基醚反应,再经过NaBH4还原,即制得邻苯甲醇,然后将其在DMF中与NaH和二甘醇二对甲苯磺酸酯反应,得开链冠醚1a和1b.1a和1b经稀酸水解,即脱保护而分别生成新的酚型开链冠醚2a和2b。

The liquid composition of claim 6, wherein said fungicide is 2,4 dichlorobenzyl alcohol.

7:液体成份要求之6中所述的杀真菌剂指的是2,4二氯苯甲醇

Seco-iridoids and fragrant constituents,such as linalool,benzyl alcohol and their esters are major princi-ples of Jasminum sambac ,which has been found to possess pharmacological effects such as sedation,hypnogenesis and anti-bacterial activities.

茉莉主要含有裂环环烯醚萜和挥发性香味成分如芳樟醇、苯甲醇及其酯类等,具有广泛的药理活性如镇静、催眠、抗菌等。

Objective To reduce the pain due to penicillin potassium or sodium intramuscular injection,and avoid injection gluteus muscle contractureresulting from using Benzyl alcohol as menstruum.

目的 减轻青霉素钾盐和钠盐肌肉注射时引起的疼痛,避免苯甲醇作为注射溶媒引起注射性臀肌挛缩症的发生。

The influences of different dosages of phenyl methanol and composite accelerator on stripping effect were discussed.

讨论了不同用量的苯甲醇、复合促进剂对脱漆效果的影响,确定了最佳用量,分别为:φ=40%,φ=13%。

The different catalytic systems are discussed. The results show that sodium tungstate has effective catalytic ability.

实验结果表明,钨酸钠和双季铵盐催化体系能在温和的条件下,催化稀过氧化氢溶液氧化环己醇、苯甲醇、环己烯。

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Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在,所有的孩子都要在综合学校继续学习,所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地,使人们普遍认识到发展不能以牺牲农业为代价。

Detailed Intrinsic Reaction Coordination calculations were carried out to guarantee the optimized transition-state structures being connected to the related tautomers.

同时,做了详尽的内禀反应坐标计算,以保证所得到的过渡态连接相应的始末异构体。