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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. 巴豆醛先与溴化氢加成;再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇;收率80.;8%25。
- Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.8%. 巴豆醛先与溴化氢加成;再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇;收率80.;8%25。
- This paper reports the using of molybdophosphoric acid in synthesizing heptyl aldehyde ethylene acetal and meanwhile probes into the synthesizing conditions. 介绍了磷钼酸在乙二醇和庚醛缩合反应中的应用,探讨了乙二醇缩庚醛的合成条件。
- phenylpropionaldehyde cyclic ethylene acetal 苯乙醛二异戊缩醛
- ethylene acetate 乙二醇二乙酸酯
- Ethylene is a growth hormone in plants. 乙烯是植物中一种生长荷尔蒙。
- Cerium Acetate is soluble in water. 说明:醋酸铈溶于水。
- The concentration of ethylene is on the high side. 乙烯浓度偏高。
- Thermal Bind -with steel spine and acetate covers. 热结合钢脊柱和醋酸覆盖。
- KGM acetate was good thermoplastic material. KGM醋酸酯具有较好的热塑性。
- First statement: Ethylene glycol is sweet. 第一句：甘醇是甜的。
- Na5 Ethylene Diamine Tetra (Methylene Phos... 摘要:乙二胺四甲叉膦酸五钠 EDTMP?
- The coating film contained a biocompatible semipermeable material, cellulose acetate, and a water soluble pore-forming agent, poly(ethylene glycol). 膜衣成分包含具有生物相容性材料-醋酸纤维素与水溶性孔洞形成剂-聚乙二醇。
- Currently, Particle Sciences is developing drug-eluting intravaginal rings by mixing microbicides into polymers such as ethylene vinyl acetate. 目前，粒子科学是发展中国家药物洗脱阴道环杀菌剂混合成聚合物如乙烯醋酸乙烯酯。
- The company is also constructing specialty acetyl derivatives units to produce vinyl acetate ethylene emulsions and conventional emulsion polymers. 该公司还兴建的专业单位乙酰衍生物生产乙烯醋酸乙烯乳液和常规乳液聚合物。
- One is the same downstream products that can be gotten from ethylene and propylene,such as chloroethylene, vinyl acetate and acrylic acid, etc. 另一类是乙炔专用化学品,如炔醛法化学品(1,4-丁二醇系列)乙炔基醚、聚乙炔等。
- SYNTHESIS OF CINAMALDEHYDE ETHYLENE ACETAL CATALYZED BY p-AMINOBENZENE SULFONIC ACID 对氨基苯磺酸催化合成肉桂醛缩乙二醇
- Cellulose acetate or any of various products, especially fibers, derived from it. 醋酸纤维素醋酸纤维素或其多种制品，尤指从中提取的纤维质
- Sodium acetate: Irritant. Handle with usual caution. 醋酸钠：刺激物。按正常程序小心处理。
- Keywords bromobutyraldehyde ethylene acetal;crotonaldehyde;acetalation;addition;synthesis; 溴代丁醛缩乙二醇;巴豆醛;缩醛化;加成;合成;
