合环反应的条件为:乙醇钠的用量为1.4摩尔当量;
The appropriate reaction conditions of cyclization reaction: NaOEt was 1.4 mole eq.
研究了一水硫酸氢钠催化合成丙酸环己酯的反应条件。
The reaction conditions of synthesis of cyclohexyl propionate catalyzed by sodium bisulfate monohydrate were studied.
利用二甘醇为原料,一水硫酸氢钠为催化剂合成了1,4 二氧六环。
The synthesis of 1,4dioxane employing the diethylene glycol as raw material and sodium bisulfate monohydrate as catalyst was discussed.
以环己醇为原料,硫酸氢钠为催化剂,合成了环己烯。
Cyclohexene was synthesized from cyclohexanol using sodium bisulfate as catalyst.
介绍了顺式环氧琥珀酸氢钠的合成工艺。
The process of synthesis of sodium hydrogen cis-epoxysuccinate was introduced in this paper.
头孢曲松钠、米诺环素、多西环素则是有效的驱梅替代药物。
Ceftriaxone sodium, minocycline, doxycycline are valid alternative medicines for syphilis.
地克珠利、环丙氨嗪、莱克多巴胺、牛至香酚、氯氰碘柳胺钠、双乙酸钠、乙氧基喹啉、大蒜素、脲酶抑制剂。
Diclazuril, Cyromazine, Ethoxy Quinoline, Closantel Sodium, Ractopamine, Oregano Oil, Garlicin, Urease Inhibitor etc. raw material and 100 various products such as preparation.
本文研究了一种以测力环为敏感元件的高精度钠压力传感器。
High precision sodium pressure transducer using the dynamometric annulus as the Sensor is developed.
以环氧氯丙烷、亚硫酸氢钠为原料,采用两步法合成2,3-环氧丙磺酸钠;
The paper takes wreath epoxy chloropropane, bisulfite sodium as raw material, the adopting two methods to synthesize 2,3-oxiranemethane sulfonic acid sodium salt;
研究了影响酯化率与成环率的主要因素,控制合适的酯化、解聚和纯化条件,得到的依诺肝素钠成品符合欧洲药典标准。
Major factors that affected the degree of esterification and 1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
研究了影响酯化率与成环率的主要因素,控制合适的酯化、解聚和纯化条件,得到的依诺肝素钠成品符合欧洲药典标准。
Major factors that affected the degree of esterification and 1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.
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