The 2% cross linked poly[styrene(iodoso diacetate)] was synthesized, which was used as oxidative reagent from semicarbazones of ketones to the corresponding ketones in wet acetonitrile under mild conditions, and the p...The 2% cross linked poly[styrene(iodoso diacetate)] was synthesized, which was used as oxidative reagent from semicarbazones of ketones to the corresponding ketones in wet acetonitrile under mild conditions, and the possible mechanism was discussed.展开更多
Adsorption behavior of urea on silver electrode and the influence of thiourea on its adsorption in snlphuric acid solution were illvestigated by polarization curves and Surface Enhanccd Raman Spectroscopy. Urea was fo...Adsorption behavior of urea on silver electrode and the influence of thiourea on its adsorption in snlphuric acid solution were illvestigated by polarization curves and Surface Enhanccd Raman Spectroscopy. Urea was found to undergo a condensation reaction on roughcned silvcr electrode. Billret was the condensation compound, and was adsorbed in the protonatcd forrn on the silver surface. Obvious synergistic mechanism between thiourea and protonated biuret was proposed.展开更多
文摘The 2% cross linked poly[styrene(iodoso diacetate)] was synthesized, which was used as oxidative reagent from semicarbazones of ketones to the corresponding ketones in wet acetonitrile under mild conditions, and the possible mechanism was discussed.
文摘Adsorption behavior of urea on silver electrode and the influence of thiourea on its adsorption in snlphuric acid solution were illvestigated by polarization curves and Surface Enhanccd Raman Spectroscopy. Urea was found to undergo a condensation reaction on roughcned silvcr electrode. Billret was the condensation compound, and was adsorbed in the protonatcd forrn on the silver surface. Obvious synergistic mechanism between thiourea and protonated biuret was proposed.