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- isopropyl acetoacetate [化] 乙酰乙酸异丙酯
- The resulting suspension was extracted with 30% isopropyl alcohol/chloroform. 得到的悬浊液以30%25异丙醇/氯仿萃
- And isopropyl mixes with some solvents could be used in manufacturing of drags. 乙酸异丙酯与多种溶剂混合使用，在烟丝的生产中有一定的应用。
- Ivy Extract, Horsetail Extract, Isopropyl Myristate, Suqalane, Algae Extract. 常春藤萃取、马尾草萃取(间荆)、肉豆蔻、角鲨烯、海藻萃取。
- Nefedipine was synthesized with m-Nitrobenzaldehyde, ethyl acetoacetate, animonium acetate. 摘要以间硝基苯甲醛，乙酰乙酸乙酯，氨化试剂为原料。
- A1_20_3 sol is prepared by using Al(O-sec-Bu)3 chelated with ethyl acetoacetate(EAcAc) as precursor. 本文以乙酰醋酸乙酯(EAcAc)螯合的异丁醇铝为前驱物制备出了A1_20_3溶胶。
- Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate. 以间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。
- The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47.8%. 用异丙胺对产物进行萃取提纯，制得了纯度较高、收率为47.;8%25的硼氢化钠产品。
- METHODS Bropirimine was synthesized by 3 steps reaction of acylation, cyclization and bromination with ethyl acetoacetate as staring material. 方法以乙酰乙酸乙酯为起始原料,经酰化、环合、溴化3步反应合成溴匹立明。
- A new type of apple ester-B is synthesized by condensation reaction of ethyl acetoacetate and 1,2- propanediol,Using Fe 3+ -UR as catatlyst. 以Fe3 ＋ － UR 为催化剂，催化乙酰乙酸乙酯和1 ，2 － 丙二醇缩合反应合成了新型香料苹果酯－ B。
- Several production methods, application and market demands of methy isopropyl ketone were introduced. 介绍了甲基异丙基酮的生产方法、应用、市场需求。
- Scrub each optical surface with a gauze pad soaked in isopropyl alcohol. Rinse thoroughly with distilled water. 光学表面用含异丙醇的网垫擦净。然后用蒸馏水漂洗。
- Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungstic acid as catalyst. 以活性炭负载磷钨酸为催化剂合成了苹果酯,确定了反应的最优条件。
- With 1,4-bezenoquinone and ethyl acetoacetate as the starting materials, it had been prepared in a novel six-step procedure in overall yield of 34.6%. 以1，4-苯醌和乙酰乙酸乙酯为起始原料，经新的六步反应过程，合成阿比朵尔，总收率为34.;6%25。
- Chemicals used in lithographic dampening solution in place of isopropyl alcohol. 取代加在平版水槽液中异丙醇的化学物质。
- Acetic acid, 1-methylethyl ester;1-methylethyl acetat ... acetic acid, isopropyl ester;isopropile (acetato di) ... 乙酸异丙酯;醋酸异丙酯;乙酸-1-甲基乙基酯香港
- The strongly acidic cation exchange resin catalyzed synthesis of fructone-B by the reaction of ethyl acetoacetate and 1,2-propanediol was studied. 采用强酸性阳离子交换树脂为催化剂,以乙酰乙酸乙酯、1,2-丙二醇为原料合成苹果酯-B。
- Objective To investigate the chemical constituents of the extracts of Ledum palustre L.Var.Angustum E.Busch from acetoacetate. 摘要目的对细叶杜香乙酸乙酷部位的化学成分进行研究。
- This article refers to the synthesis of methyl isopropyl ketone using isobutylaldehyde-acetic acid as raw materials. 阐述了异丁醛乙酸工艺制备甲基异丙基酮的中试所涉及的若干工程技术问题。
- Fructone-A and Fructone-B was synthesized from ethyl acetoacetate and ethanediol or 1,2-propanediol using ammonium ceric sulfate as catalyst. 以硫酸高铈铵为催化剂,通过乙酰乙酸乙酯分别与乙二醇和1,2-丙二醇反应合成了苹果酯-A和苹果酯-B,研究了催化剂等有关因素对产品收率的影响。
