1) compound of Uron rings
Uron环化合物
2) uron ring
Uron环
1.
The Uron ring would form if reaction temperature was more than 75 degrees.
结果表明:通过在脲醛树脂合成中引入Uron环等环状结构物质能够有效提高脲醛树脂胶黏剂的耐水性;当反应温度高于75℃时,反应产物都生成了一定量的Uron环物质;在pH值为8左右、温度控制在85℃、不使用催化剂、尽可能延长反应时间的条件下,尿素与甲醛成环化反应生成的Uron相对值最多。
4) isocyclic compound
碳环化合物;等环化合物
5) heterocyclic compound
杂环化合物
1.
The aromatic order and close electron stubstitute activeness of several kinds of heterocyclic compounds;
几种杂环化合物的芳香性顺序和亲电取代活性
2.
Three kinds of nitrogen-containing heterocyclic compound are synthesized,by using o-,m-,p-Nitroaniline as outset raw material.
以邻、间、对硝基苯胺作为起始原料,合成了三种含氮杂环化合物,对其合成条件进行优化,并对产物进行熔点测试和元素确认分析。
3.
New advances in N-oxidation nitrogen-containing heterocyclic compounds are re-viewed.
杂环化合物的N-氧化物是一类重要的有机中间体,也可以直接用作催化剂、炸药等。
6) Spiro compound
螺环化合物
1.
A spiro compound with polyfluoroalkyl group was synthesized.
选择合适的反应条件,设计合成了含长链多氟烷基的螺环化合物。
2.
The synthetic methods and structural features of most spiro compounds are described in detail along with their potential applica-tions as pesticide.
综述了近年来含螺环结构化合物在农药方面的研究进展,详细介绍了部分螺环化合物的合成方法,总结了螺环农药的结构特征。
补充资料:1,4-二氮杂二环[2.2.2]辛烷的化合物(2:1)
CAS: 68227-29-2
分子式:C6H12N2·2C6H11NO5
中文名称: N-(羧甲基)-N-(2-羟乙基)甘氨酸;1,4-二氮杂二环[2.2.2]辛烷的化合物(2:1)
英文名称: Glycine, N-(carboxymethyl)-N-(2-hydroxyethyl)-, compd. with 1,4-diazabicyclo[2.2.2]octane (2:1)
glycine, n-(carboxymethyl)-n-(2-hydroxyethyl)-, compd. with 1,4-diazabicyclo[2.
2.2]octane (2:1)
n-(carboxymethyl)-n-(2-hydroxyethyl)-glycin compd.
Glycine,N-(carboxymethyl)-N-(2-hydroxyethyl)-,compd. with 1,4-diazabicyclo[2.2.2]octane(2:1)
分子式:C6H12N2·2C6H11NO5
中文名称: N-(羧甲基)-N-(2-羟乙基)甘氨酸;1,4-二氮杂二环[2.2.2]辛烷的化合物(2:1)
英文名称: Glycine, N-(carboxymethyl)-N-(2-hydroxyethyl)-, compd. with 1,4-diazabicyclo[2.2.2]octane (2:1)
glycine, n-(carboxymethyl)-n-(2-hydroxyethyl)-, compd. with 1,4-diazabicyclo[2.
2.2]octane (2:1)
n-(carboxymethyl)-n-(2-hydroxyethyl)-glycin compd.
Glycine,N-(carboxymethyl)-N-(2-hydroxyethyl)-,compd. with 1,4-diazabicyclo[2.2.2]octane(2:1)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条