diphenyl

Catalytic Action of Binuclear Ti-H Complexes in Hydrogenation of Diphenyl Ethyne

双核钛氢络合物在二苯乙炔加氢反应中的催化作用

OBJECTIVE: To explore the effects of UA in different concentrations on human umbilical vein endothelial cells line ( ECV304), malondialdehyde ( MDA), nitric oxide ( NO) and 3-( 4,5-dimethyl thiazole-2)-2, 5-diphenyl thiazolyl blue ( MTT) in vitro.

目的：观察不同浓度的尿酸对体外培养的人脐静脉内皮细胞株（ECV304）丙二醛，一氧化氮及3-（4,5-二甲基噻唑-2）-2,5-二苯基四氮唑溴盐的影响。

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes.

某些苯代 ( 或多苯 ) 环氧乙烷是制取带苯环 ( 或二苯 ) 碳烯的极好原料.

Its preparation method, which mainly reacted by diphenyl amine and sulfur with catalyst, is introduced.

介绍了吩噻嗪的制备方法, 主要是二苯胺与硫在催化剂存在下反应的方法.

Studies on Wittig Reaction ⅴ. Stereochemistry of Reaction of Benzylidene Alkyl Diphenyl Phosphorane with Substituted Aromatic Aldehydes

Wittig反应的研究&Ⅴ.亚苄基烷基二苯基膦与取代芳醛的反应

This mechanism can also reasonably explain the fact that only molecular ionic peak of phenyl iso-thiocyanate and naphthyl iso-thiocyanate was presented in the GC/ MS spectra of diphenylurea and diphenyl thiourea.

此机理同样能合理解释二苯脲和二萘硫脲的GC/MS谱图中只出现异氰酸苯酯和异硫氰酸萘酯分子离子峰的现象。

The yields of dodecyl, tetradecyl, hexadecyl diphenyl ether were respectively 79.62%? 72.38%? 66.83%.

双十二烷基二苯醚、双十四烷基二苯醚、双十六烷基二苯醚的产率分别为79.62%、72.38%、66.83%。

Under mild conditions, at room temperature and ambient atmosphere, diphenyl thiourea could be synthesized through the reaction of aniline and CS 2 over AlCl 3 catalyst with high yield and high selectivity.

常温常压下，用AlCl3作催化剂催化苯胺和CS2进行反应，可以高收率和高选择性地得到二苯硫脲。

However, identified by melting point, HPLC/ MS/ MS, FTIR, UV and 1H NMR analyses, the pure crystal should be diphenyl thiourea.

然而，用熔点测定、HPLC/MS/MS，FTIR，UV和1H NMR等手段对此晶体进行分析，确定其为二苯硫脲。

In low temperature, reaction of ketone with sodium acetylide synthesized 1-ethynyl-2,3, 4,5-tetramethyl-2-cyclopentene-1-ol; 1,2-diphenyl-2-hydroxy-3-butine-1-one; 3,4-diphenyl-1,5-hexadiine-3,4-diol and 3,4-diphenyl-3-cyclopentene-1-one.

报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.

Diphenyl thiourea is an important intermediate of medicine and dyestuff.

二苯硫脲是重要的医药和染料的中间体.

The results from GC-MS indicated that the main products obtained from photolysis were benzaldehyde and diphenyl disulfide. On the basis of these results, the mechanism of sensitized photolysis of title compounds was proposed;

气相色谱-质谱联用仪分析结果表明，敏化光解产物主要为苯甲醛和二苯基二疏醚，在此基础上对标题化合物敏化光解的机制提出了看法。

A series of measurements showed that the experimental error of the direct spectrophotometric determinations in the ultraviolet region was less than 2% whereas that for the diphenyl thiocarbazone method was about 5%.

依靠紫外吸收的测定方法比较准确，测定误差可在2%以内，而用双硫腙间接测定误差约在5%左右。

The paper reviewed the synthesis and production of the surfactant dodecyl diphenyl ether sodium disulfonate.

介绍了十二烷基二苯醚二磺酸钠的合成及生产情况.

Diphenyl carbonate ( DPC ) was synthesized by decarbonylation of diphenyl oxalate ( DPO ) over Ph 4 PCl catalyst.

研究了以Ph4PCl为催化剂,草酸二苯酯脱羰基合成 碳酸 二苯酯反应.

A new method to synthesize N, N'-diphenyl thiourea ( DPTU) from aniline and CS 2 was developed in the presence of acidic resin as catalyst under reflux temperature for 6 h with the yield of 82.7% and the selectivity of 100%.

探讨了合成二苯硫脲的新方法。以酸性树脂作催化剂在回流温度下使苯胺与CS2反应6h，二苯硫脲的收率达827%，选择性为100%。

Phenyl ( or polyphenyl) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl) carbenes.

某些苯代（或多苯）环氧乙烷是制取带苯环（或二苯）碳烯的极好原料

Purification of diphenyl ether by crystallization without solvent is discussed.

用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点.

Study on spectral sensitization of carbon tetrabromide/ dye system by 9, 10-diphenyl-anthracene

9,10-二苯基蒽对四溴化碳/染料体系的光谱敏化反应研究

Reaction Mechanism of Diphenyl Ether with Nitrous Acid by Transient Absorption Spectrum Technique

激光诱导的亚硝酸与二苯醚的反应机理

This paper introduced the preparation methods , application and flame-retarded mechanism of Resorcinol bis ( diphenyl phosphate ) ( RDP ).

本文的主要研究内容包括间苯二酚双 ( 二苯基磷酸酯 ) ( RDP ) 的制备 、 应用及阻燃机理.

Besides, the synthesis of diphenyl ether, diphenyl oxadiazole diphenyl amine and aza-bis ( oxazolines ) is also discussed.

另外, 还讨论了苯甲醚类 、 二联苯恶二唑类、联苯胺类与 氮杂 类等新型双恶唑啉配体的合成.

Diphenyl carbonate was the important raw material for polycarbonate, with wide uses and application prospect.

碳酸二苯酯是合成聚碳酸酯的重要原料, 具有广泛的用途和应用前景.

Methods of synthesizing diphenyl carbonate included transesterification, urea and carbon disulfide.

其合成方法主要有酯交换法 、 尿素法和二硫化碳法等.

It reacted with diphenyl methane-4, 4'-diisocyanate ( MDI) in the different ratios to form prepolymers containing spirane structure.

并以此单体为反应物，通过与不同比例的4,4′-二苯甲烷二异氰酸酯反应，制得不同分子量的具有螺环结构的预聚体。

Distribution of Polybrominated Diphenyl Ethers in Marine Fishes from Yueqing Bay Sea Area

乐清湾海域鱼类中多溴联苯醚的分布特征

In this paper, the synthesis principle of transesterification of diphenyl carbonate ( DPC ) is briefly discussed.

简要介绍了酯交换法合成 碳酸 二苯酯的反应原理.

Diphenyl carbonate shows a typical vinyl ester effect.

碳酸二苯酯表现典型的乙烯的酯类的效应.

Diphenyl carbonate ( DPC ) is an important intermediate in plastic industry.

碳酸 二苯酯是重要的有机中间体,应用于塑料工业.

A heat-transfer fluid with high temperature resistance was synthesized through benzylation of diphenyl.

以联苯为原料,通过苄基化反应合成高温导热油.