1) selective bromination
选择性溴化
1.
The selective bromination of p-hydroxybenzaldehyde(HBD) with benzyltrimethylammonium tribromide in dichloromethane-methanol was studied.
以三溴化三甲基苄基铵(BTMATBr3)作溴化剂,CH2Cl2-CH3OH作溶剂,研究了对羟基苯甲醛的选择性溴化反应,探讨了影响溴化反应选择性的主要因素。
2) slelxtire bromination
选择溴化
4) selective oxidation
选择性氧化
1.
Research on gas-phase selective oxidation of p-xylene over Fe-Mo catalyst;
钼铁催化剂对二甲苯气相选择性氧化的研究
2.
Nano-sized gold catalysts for CO low-temperature oxidation and selective oxidation;
纳米金催化剂在CO低温氧化和选择性氧化中的研究进展
3.
Study of modified VPO catalysts on the selective oxidation of n-butane to maleic anhydride;
VPO催化剂表面结构对正丁烷选择性氧化制顺酐的影响(英文)
5) chemoselectivity
化学选择性
1.
The different selectivities,including chemoselectivity,regioselectivity,syn/trans selectivity,diastereoselectivity,and enantioselectivity,of organic reactions under the microwave-assisted and conventional heating conditions are reviewed.
本文综述了微波辅助下有机化学反应的选择性,包括化学选择性、区域选择性、顺反选择性、非对映选择性和对映选择性,与传统加热条件下反应选择性的区别。
6) selective nitration
选择性硝化
1.
The rate of selective nitration of acetanilide with mixed acid is studied with the help of Uv-Vis spectra.
采用紫外—可见（Uv－Vis）光谱研究了乙酰苯胺混酸选择性硝化反应速度，推断乙酰苯胺混酸硝化是二级反应，测得在81％硫酸中硝化的二级反应速度常数为3。
2.
In this thesis, 3,4-xylidine which is an important organic intermediates widely applied in pharmacy, pesticide, and dye industries, has been prepared by selective nitration and catalytic hydrogenatuion in low pressure, using o-xylene as start material.
本论文以邻二甲苯为起始物，采用选择性硝化制3，4-二甲基硝基苯和低压液相催化氢化制备3，4-二甲基苯胺。
3.
The process produces huge amounts of wastes along with a large amount of undesired o-MNT due to the nonselective nitration of toluene.
甲苯硝化是非常重要的精细有机合成反应,将固体酸和酸性离子液体催化剂应用于芳烃的选择性硝化,是正在兴起的绿色化学合成技术之一。
补充资料：苄基三丁基溴化铵 苄基三正丁基溴化铵
CAS：25316-59-0
分子式：C19H34BrN
分子质量：356.39
熔点：176-171℃
中文名称：苄基三丁基溴化铵 苄基三正丁基溴化铵
英文名称：Benzyl tributyl ammonium bromide benzyltributylammonium bromide
分子式：C19H34BrN
分子质量：356.39
熔点：176-171℃
中文名称：苄基三丁基溴化铵 苄基三正丁基溴化铵
英文名称：Benzyl tributyl ammonium bromide benzyltributylammonium bromide
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