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Copolymers with the naphthoyimine chromophores were firstly obtained through Pd-catalyzed Heck reaction. The copolymers had good solubility in common solvents due to the presence of alkoxyl substituents in the molecular chains.

在钯催化下利用Heck耦合反应制备了以萘酰亚胺为发色团的共聚物,通过侧链上引入丁氧基醚链,使得聚合物具有很好的溶解度,能溶解在常用有机溶剂中。

Objective1 To study the effects of myricetin, quercetin and kaempferol on the activity of recombinant human phosphor-inositide 3-kinase (PI3K) p110β subunit.

目的:研究杨梅素、槲皮素和山萘黄素对重组人肌醇磷脂3-激酶(PI3K) p110β催化亚基的直接作用。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intramolecular singlet-singlet energy transfer .

研究发现,这些多发色团化合物在基态发色团之间没有作用或作用很小,而其中噁二唑和三苯基胺单元的荧光被严重的猝灭,这说明在激发态下,萘酰亚胺发色团与噁二唑、三苯胺功能团之间发生了分子内单线态—单线态能量转移。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intermolecular singlet-singlet energy transfer.

研究发现,这些多发色团化合物在基态发色团之间没有作用或作用很小,而其中恶二唑和三苯基胺单元的荧光被严重的猝灭,这说明在激发态下,萘酰亚胺发色团与恶二唑、三苯胺功能团之间发生了分子内单线态-单线态能量转移。

Considering the low morphological stability of dye-doped polymer thin film and based on the above multi-chromophoric organic small molecules, six novel copolymers have been synthesized by the co-polymerization, in which there are three functions: 1, 8-naphthalimide as emitting moiety, oxadiazole as electron transporting moiety, and N-vinyl carbazole as hole transporting moiety.

考虑到有机小分子掺杂到聚合物膜中低的形态稳定性,我们在上面多发色团有机小分子研究的基础上,通过自由基引发共聚合成了六个新型的共聚物。在该类共聚物的侧链上含有三个功能团:1,8-萘酰亚胺单元、噁二唑单元和N-乙烯基咔唑单元。

N-propyl-4-(N-methylacryloxy-ethyl)amino-1,8-naphthalimide was synthesized and used for determination of picric acid.

合成了N-丙基-4-(N-甲基丙烯酰基氧乙基)氨基-1,8-萘酰亚胺,研制出了苦味酸荧光光纤传感器,可间接测定药片中磷酸氯喹和水样中苦味酸的含量。

The cis-decalin 79 was obtained from 2-methoxy-4-methylphenol (77) via a sequence of reactions involving intermolecular Diels-Alder reaction of masked o-benzoquinone derived from 77 and ethyl vinyl ketone, silyl enol ether formation and Cope rearrangement.

第一部份:以2-甲氧基-4-甲基酚(77)为起始物,经由二乙醯基亚碘苯氧化、分子间Diels-Alder反应、烯醇矽醚的形成及Cope重排反应得到具有十氢萘骨架化合物79。

The yield was 47.3%. A series of21 azo-1,3,4-thiadiazole compounds were synthesized by diazotizing of2-amino-5-alkyl-1,3,4-thiadiazole with nitrosylsulfuric acid, then couplingwith phenol, substituted phenol or naphthol. The yields were 19.6~58.8%.16 of them were new compounds.

制得的2-氨基-5-烃基-1,3,4-噻二唑用亚硝酰硫酸进行重氮化,再与苯酚、取代苯酚或萘酚发生偶合反应合成了21个偶氮-1,3,4-噻二唑类化合物,其中16个为新化合物,收率为19.6~58.8%。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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