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This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述了乙烯基醚类化合物三种主要制备方法乙炔法、化氢法和缩热分解法。

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A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.

通过一元羧酸和二乙烯基醚反应,我们得到了一种新颖酯缩结构分子玻璃。

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Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

与溴化氢加成,再与乙二醇缩化得到3-溴代丁缩乙二醇,收率80.8%。

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The effects of reactant ratio, reaction time, catalyst amount,the species and amount of deaquation reagent on the yield of benzaldehyde 1,3-butanediol acetal were investigated.

对苯甲与1,3-丁二醇在钒磷氧催化剂作用下化反应进行了研究,考察了醇比、反应时间、催化剂用量、带水剂种类和体积等因素对苯甲1,3-丁二醇缩收率影响。

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octosyllable, octothorp, octree, octroi, OCTU, octulose, octuple, octuplet, OCTV, octyl,

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3G, 401(K), a,

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The acetal linker readily cleaves in the presence of acid.

缩醛连接剂遇酸很容易裂解。

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活大爆炸(视频版) 第3季

I preserved in a one percent solution of polyvinyl acetal resin.

我把它保存在 聚乙烯醇缩醛树脂里了。

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oculogyration, oculomotor, oculomotor nerve, oculonasal, oculus, ocyodinic, ocytocic, OD, ODA, odal,

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3G, 401(K), a,
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