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acetate

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英文: A series of 9-arylpolyhydroacridine derivatives have been synthesized by reaction of arylmethylidenecyanoacetate with dimedone in HOAc in the presence of ammonium acetate, and the structures were characterized by IR, and 1HNMR.

中文: 摘要以芳亚甲基氰乙酸酯和达米酮为原料,以醋酸铵为催化剂在乙酸中反应,合成了一系列的9-芳基多氢吖啶衍生物,并通过IR,1HNMR证实其结构。        更详细...
英文: Abstract: The interface behavior between essence and ethylene-vinyl acetate copolymer pallets was studied so that necessary data were obtained to guide the preparation of fragrant masterbatch.The adsorption type and wettability between essence and the cop

中文: 文摘:研究了香精与乙烯/醋酸乙烯共聚物粒子之间的界面行为,以便为香型母粒的制备提供必要的理论依据.利用傅立叶变换红外光谱、表面张力、接触角及比表面面积等测定手段,分析了香精与载体之间的吸附类型和润湿作用.并通过一系列吸附实验,讨论了配料比、温度、压力、搅拌等工艺条件对吸附量的影响.结果表明,香精在乙烯/醋酸乙烯共聚物粒子表面的吸附为物理吸附;香精无法完全润湿载体粒子表面,但可以对其形成部分浸润;提高温度、压力、搅拌速度可以增加吸附量,而延长吸附时间对增加吸附量贡献不大.        更详细...
英文: An one-pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of ZR juvenile hormone analogue series with high con

中文: 摘要以异脱氢乙酸乙酯与甲氧基香茅醛直接缩合为起点,将缩合、脱羧、异构化、(顺、反)异构体拆分等采用多步反应连续一锅法的操作方法,成功地得到高有效含量的ZR型保幼激素类似物。        更详细...
英文: An one-pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal,followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of ZR juvenile hormone analogue series with high cont

中文: 以异脱氢乙酸乙酯与甲氧基香茅醛直接缩合为起点,将缩合、脱羧、异构化、(顺、反)异构体拆分等采用多步反应连续一锅法的操作方法,成功地得到高有效含量的ZR型保幼激素类似物。        更详细...
英文: A C8 column was used with the mobile phase of methanol-water(containing mmol/L N-L-α-aspartyl-L-phenylalanine--methyl ester, mmol/L cupric acetate and mmol/L sodium -octanesulfonate)(0:0). The detection wavelength was nm.

中文: 采用C8柱,流动相为甲醇-水(含mmol/LN-L-α-门冬氨酰-L-苯丙氨酸甲酯、mmol/L乙酸铜、mmol/L辛烷磺酸钠)(0:0),检测波长为nm。        更详细...
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