diphenyl

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。

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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.

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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.

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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%。

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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.

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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.

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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。

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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。

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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.

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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。

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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.

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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

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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

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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

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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.

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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

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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.

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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.

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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.

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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

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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.

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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。

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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

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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%。

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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.

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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.

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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.

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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。

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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.

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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。

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