In another direction, the radical cyclization of thioimide with acylsilane produced simple cyclization product in low yield without expected enol silyl ether compound.
对于硫醯亚胺与矽基酮的自由基反应，则是得到低产率的简单环化产物，而不是预期的烯醇矽醚化合物。
Calixarene is a kind of respecting host macrocyclic compound followed cyclodextrin and crown ether, and has strong ability of selective extraction of metal ions.
杯芳烃作为继环糊精、冠醚之后的第三代大环类主体化合物，对金属离子具有较强的选择性萃取作用。
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。
The invention discloses a semitransparent polyphenyl ether compound and a preparation method thereof.
本发明公开了一种半透明聚苯醚复合物及其制备方法。
Compound Disinfectant of glutaraldehyde is mainly composed of the ingredients such as glutaraldehyde and polyoxyethylene aliphatic alcohol ether.
复方戊二醛消毒剂主要由戊二醛、聚氧乙烯脂肪醇醚等成分组成。
The content of the cyclic ether compound is adjusted to 0.01 to 5 parts by mass based on 100 parts by mass of the ester compound.
具有带酯键的侧链的五元环或六元环的环状醚化合物，其中所述环状醚化合物的含量，按每100质量份所述酯化合物，调整到0.01至5质量份。
Several methods are proofed with one another. This compound I is tetrabromobisphends-bis (2, 3-dibromopropyl) ether, which provides a useful reference to resolution of complicated unknown compounds.
通过几种方法相互验证，确定这种阻燃剂的结构为四溴双酚S双（2 ，3-二溴丙基）醚，为复杂未知化合物的鉴定提供了有益的借鉴。
Several methods are proofed with one another. This compound I is tetrabromobisphends-bis (2, 3-dibromopropyl) ether, which provides a useful reference to resolution of complicated unknown compounds.
通过几种方法相互验证，确定这种阻燃剂的结构为四溴双酚S双（2 ，3-二溴丙基）醚，为复杂未知化合物的鉴定提供了有益的借鉴。
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