乙基水杨酰胺;
Conclusion: the new compound was identified as paeoniflorin-4-ethyl ether, which may be an artifact produced during extraction proved by simulate experiment.
结论:新化合物结构鉴定为芍药苷4乙基醚,并通过模拟实验证明可能为提取过程中产生的人工产物。
Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
用国产NKC-29型强酸性阳离子交换树脂为催化剂,在常压液相条件下用乙醇和叔戊醇为原料合成了乙基叔戊基醚。
The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.
为研究硫醇烯光固化组成物的反应机理,选用安息香双甲醚、安息香乙醚、安息香正丁醚、二苯甲酮和噻吨酮为光敏剂,用红外光谱法研究了硫醇烯的光化学反应动力学。
Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.
考察了不同反应条件下的反应结果,结果表明,在最佳条件下对-硝基苯基苄基醚和2 ,4-二硝基苯基乙基醚的收率分别为84.9%和72 .3 %。
Various factors that affect the condensation are discussed. The results show that the yield of 4-Nitrophenyl Benzyl Ether is 84.9 %, and the yield of 2,4-Dinitrophenyl Ethyl Ether is 72.3 %.
考察了不同反应条件下的反应结果,结果表明,在最佳条件下对-硝基苯基苄基醚和2 ,4-二硝基苯基乙基醚的收率分别为84.9%和72 .3 %。
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