1) BO
[英][,bi: 'əʊ] [美]['bi 'o]
伯
1.
A Study of the Origin of "BO",A Title for Females in Chinese Dialects;
汉语方言女性称谓词“伯”之来源考
2) Uncle is out.
伯伯不在。
3) primary alcohol
伯醇
1.
The present paper describes a direct one-step synthesis of various benzimidazoles from primary alcohols and o-phenylenediamine with good yields using iodine as the catalyst.
在碘的氧化作用下,由伯醇和邻苯二胺一步合成了苯并咪唑及其衍生物。
2.
Coupled ketones in yield of 43%~78% were synthesized by α-alkylation of ketones with primary alcohols using Pd/C as a catalyst and cyclohexene as a hydrogen acceptor in dioxane.
以环己烯为活性氢接受体,1,4-二氧六环为溶剂,在Pd/C催化下酮可以有效地与伯醇进行α-烷基化反应生成偶联酮,产率43%~78%,其结构经1H NMR,IR和MS表征。
4) primary amine
伯胺
1.
The applications of primary amine and tertiary amine were summarized emphatically,mainly the applications in the fields of preparing cationic surfactant,non-ionic surfactant and amphoteric surfactant were described.
重点综述了高级脂肪伯胺和叔胺的应用,主要是在制备阳离子表面活性剂、非离子表面活性剂和两性表面活性剂等方面的应用;同时概述了仲胺、二胺、多胺及其衍生物的应用。
2.
N,N′-Disubstituted ureas,used as intermediates for synthesis of pesticides,resin precursors and carbamates,were synthesized from carbon dioxide and primary amines(namely n-propylamine,n-butylamine,n-amylamine,n-hexylamine,benzylamine and aniline) over organic base catalysts.
以有机碱为催化剂,CO2与伯胺反应合成了N,N′-二取代脲;考察了有机碱种类、伯胺碳链长度、反应温度、CO2压力、反应时间、催化剂用量对合成反应的影响。
3.
The intermolecular catalytic amination of alcohols to primary amines is studied.
以正辛醇直接胺化合成正辛胺的反应为模型,对分子间醇的催化胺化合成脂肪伯胺的反应进行了研究,采用XRD、XPS、BET等对用于此反应的铜基催化剂进行了系列表征,发现活性组分铁的添加能够有效地分散催化剂表面的铜和铬,提高了催化剂的活性和选择性。
5) primary alcohols
伯醇
1.
Studies on reaetivity of 2,2-dichloro-l,3-benzodioxole with primary alcohols;
2,2-二氯-1,3-苯并二氧噁茂与某些伯醇的反应性研究
补充资料：伯
【伯】
伯者，即父之伯。于己为伯祖也。
伯者，即父之伯。于己为伯祖也。
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