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In coal-derived condensates naphthalene in aromatic hydrocarbons is relative low in content, whereas diammonium is very rich.

由煤系腐殖型母质生成的凝的析油,芳烃中萘的含量相对较低,而联苯的含量非常丰富。

Bi-2; 2′-naphthol ; enantiomer resolution ; asymmetric synthesis ; asymmetric oxidation reaction ; asymmetric reduction reaction

1; 1′-联二萘酚;对映体拆分;不对称合成;不对称氧化反应;不对称还原反应

Using 9 fluorenylmethylchloroformate as a pre column derivatising agent, nine aromatic amines ( o toluidine, 4 chloro o toluidine, aniline, 2,4,5 trimethylaniline, p cresidine, p chloroaniline, 4 aminodiphenyl, o anisidine, 2 naphthylamine,) are separated and a quantitative analysis method is studied by means of RP HPLC.

以氯甲酸 9 芴基甲酯为柱前衍生试剂,对 9种单环芳香胺(邻甲苯胺、4 氯邻甲苯胺、苯胺、2 ,4 ,5 三甲基苯胺、3 氨基对甲苯甲醚、对氯苯胺、4 氨基联苯、邻氨基苯甲醚、2 萘胺)进行了高效液相色谱分离和定量分析方法研究。

GC/MS analysis showed that the poly (1,1'-bisnaphthol carbonate), 2-ethylhexyl acetate, heptanone,octene and acetic acid were formed during the ester interchange.

本文用金属化合物作催化剂进行1,1′-联二萘酚-4,4′-二乙酸酯和二(2-乙基己醇)碳酸酯的酯交换反应,评价了不同金

From optical BINOL, the chiral phosphoryl azide compound was prepared. Its application as chiral auxiliaries in the stereoselective ring-opening of meso-epoxides was examined. No obvious asymmetric induction, however, was observed.

从光学活性的联二萘酚出发合成得到了手性磷叠氮化合物,并将其应用于环氧化合物的不对称开环反应中,考察了它作为手性辅助剂在该反应中的不对称诱导效果。

In this paper research progress of synthesis of 1,1'- binaphthol and its derivatives by raceme resolution and asymmetry oxidative coupling reaction, related to 63 binaphthol compounds is detailed.

联二萘酚作为配体在催化不对称反应方面取得了极大的成功,是有机化学家研究的热点。

The method is based on a diazotion-coupling reaction between benzidine and hydrochloric acid naphthyl ethylenediamine in a hydrochloric acid medium.

在酸性条件下,亚硝酸盐与联苯胺重氮化,再与盐酸萘乙二胺偶联生成蓝色产物,该产物在578 nm处有最大吸收值,并由此建立了一种简单、快速、灵敏的亚硝酸盐测定方法。

A bacterial strain using phenol, benzoate, naphthalene, biphenyl and benzothiophene as sole carbon and energy sources was isolated from waste sludge and was identified as Rhodococcus sp. strain DF51 according to morphological, physiological and its 16S rRNA gene sequence.

从太原市郊苯酚污染的土样中分离到一株能以苯酚、苯甲酸、萘、联苯和苯并噻吩为唯一碳源和能源生长,并且具有同时分解单环和双环芳香类物质能力的菌株,经生理生化和16S rDNA基因序列分析鉴定为红球菌DF51Rhodococcus sp。

In order to overcome the problem of multidrug resistance in human epidemic carcinomata anti-adriamycin cells (KB-A-1), the antisense and antigene oligonucleotides were used to investigate their effectiveness on inhibiting the mdr1 gene expression. The effectiveness of antisense or antigene oligonucleotide on inhibiting the multidrug resistance was detected by MTT colometric assay and ELISA.

中文题名反义与反基因寡核苷酸及其萘二酰亚胺偶联物对靶基因表达的抑制作用研究副题名外文题名 The inhibition of the targeted gene expression by the antisense or antigene oligonucleotides and their naphthylimide-conjugated derivatives 论文作者李军生导师张元兴魏东芝教授学科专业生物化工研究领域\研究方向生物化学与分子生物学学位级别博士学位授予单位华东理工大学学位授予日期2001 论文页码总数106页关键词基因表达基因治疗反义寡核苷酸反基因寡核苷酸核酸馆藏号BSLW /2001 /Q78 /264 针对人表皮癌抗阿霉素细胞株(KB-A-1)的多药抗药性问题,本文从反义核酸和反基因核酸角度,通过MTT法检测细胞生长情况,ELISA法检测基因表达产物P-gp表达水平的变化,对寡核苷酸抑制肿瘤细胞MDR1基因表达的机制进行了探讨。

All catalysts prepared with the mentioned methods have higher activity of decalin conversion.

采用交换法和预焙烧法合成的交联蒙脱土催化剂都具有较高的十氢萘转化活性。

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