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Two isoxazole intermediates containing 1,2,3triazolyl and carbonyl ,which can also be used as intermediates for synthesis of new heterocyclic compounds,have been synthesized.

以2-苯基-1,2,3-三唑-4-甲醛为原料,合成2种在异噁唑环上同时含有1,2,3-三唑基和羰基的新型化合物,它们可作为合成其他杂环化合物的中间体,其分子结构经IR,1HMR,MS谱确证

Abnormally enhanced absorptions for the methine proton in products of triaryl orthoformate derivatives were also observed in C6D6 , indicating the formation of the product resulted in radical pair intermediate.

在氘苯中,产物三苯基原甲酸酯衍生物的次甲基质子的异常增强吸收,表明该产物由中性自由基对形成。

The sample was mixed with norleucine as the internal standard, then derivatized with phenylisothiocyanate and analyzed on a Kromasil C 18 column at 38 ℃, using gradient elution with detection at 254 nm.

在Koop等[3] 和Bidling meyer等[4 ]证明异硫氰酸苯酯和氨基酸的反应产物苯基硫酸盐氨基酸的稳定性后,PITC才直接用于氨基酸分析。

Polystyrene-MMT nanocomposites were prepared by free radical polymerization of styrene containing dispersed clay. The organophilic MMT particles were easily dispersed and swollen in styrene monomer.

采用双-苯基二甲基十八烷基溴化铵作为有机插层剂对钠基蒙脱土进行了有机化处理,该有机化的蒙脱土粒子在苯乙烯单体中很容易地均匀分散并形成稳定的胶体溶液。

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。

Electron-transporting oxadiazole monomer 2-phenyl-5-p-(N-acrylateamino-phenyl-1,3,4-oxadiazole was designed, synthesized and copolymerized with NVK, MMA and Tb2 to give a Tb-complex containg copolymer PKMOTb with dual transporting moieties.

设计并合成了一种具有电子传输性能的噁二唑类单体2-苯基-5--1,3,4-噁二唑,并将此单体和NVK、MMA、Tb_2共聚,合成了同时带有双传输基团和稀土金属配合物单元的新型四元共聚物PKMOTb。

Paraacetaminophenyl-β-hydroxyethylsulfone can be used as raw material to produce the target product 2-sulfonic-4-(β-sulphatoethyl-sulphone) phenylamine through sulfonationating and hydrolytic reactions.

本文研究了以对乙酰氨基苯基-β-羟乙基砜为原料,经磺化和水解反应,制得产品2-磺酸-4-苯胺的合成工艺,以及2-磺酸-4-乙基砜基硫酸酯苯胺钠盐后处理的最佳操作工艺。

New hyperbranched polymers containing triphenylamine were synthesized by polycyclotrimerization of bis(4-ethynylphenyl)phenylamine and 1-octyne with dicarbonyl- cyclopentadienyl-cobalt CpCo(CO2 as catalyst under ultraviolet irradiation.

在以CpCo2为催化剂和紫外光照射的条件下,以二-(4-乙炔苯基)-苯胺和1-辛炔为单体合成了新型的含三苯胺超支化聚合物。

The absorption spectrum of the product was determined by visible spectrophotometer,in which there are 6 maxium peaks located at 421.3,487.2,518.1,555.2,593.6 and 650.3nm,and proved that it is a more photoactive substance than tetraphenyl porphyrin.

经可见吸收光谱分析知,在氯仿介质中有6个大的吸收峰,波长分别为421.3、487.2、518.1、555.2、593.6和650.3nm,证明该卟啉是一种较四苯基卟啉更有效的光吸收剂。

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