benzoquinone

A theoretical study on the mechanism of the Diels-Alder reactions of masked o-benzoquinone radical cation with furan

呋喃与掩蔽的邻位苯醌阳离子基的Diels-Alder反应的理论研究

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The visible absorption spectra of p-benzoquinone ( PBQ) in CS_2 were measured, and a weak absorption band around 507 nm attributed to n-π~ singlet-triplet transition was demonstrated.

测量了对苯醌（p-benzoquinone，PBQ）在CS2中的可见吸收光谱，论证了该实验中发现的507nm带来源于PBQ的n-π单-三态跃迁。

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Phenol, benzoquinone, nitrosobenzene and azobenzene were identified as the main intermediates for gaseous aniline degradation.

纳米TiO2光催化降解气态苯胺的中间产物主要有苯酚、苯醌、亚硝基苯和偶氮苯等。

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we also investigate the influence of several reaction conditions such as rare earth type, ionic liquid volume, reaction time, benzoquinone content and system pressure, on the catalytic activity.

考察了稀土种类、离子液体量、反应时间、苯醌用量、体系压力等因素对催化活性的影响。

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Benzoquinone, maleic acid, are also identified as intermediates by HPLC.

用HPLC还检测到苯醌和顺丁烯二酸。

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Fe ( III) EDTA was found to be efficient in PdCl_2/ Fe ( III) EDTA/ 1,4-benzoquinone ( BQ)/ tetrabutylammonium bromide ( TBAB) catalyst system.

发现了Fe（III）EDTA在PdCl2/Fe（III）EDTA/1,4-苯醌/四丁基溴化铵催化体系中具有很好的助催化效果。

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