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An efficient and green approach for the synthesis of vinyl aryl ethers in the presence of guanidine hydrochloride
Guanidine hydrochloride dialkyl acetylenedicarboxylates vinyl aryl ether O-vinylation water solvent
2010/12/20
A stereoselective procedure for vinyl aryl ether bond formation by direct coupling of dialkyl acetylenedicarboxylates and substituted phenols or naphthols under mild reaction conditions has been devel...
P123 / SDS水溶液中碳酸钙结晶及形貌的研究（Synthesis of CaCO3 with Different Morphologies in Presence of P123/SDS Solution）
碳酸钙 形貌 胶束 晶体生长
2010/8/25
Different morphologies of CaCO3 have been synthesized through controlling the molar ratios of the P123 and SDS in the mixture solution. The morphologies and structures of samples have been characteriz...
Spectrophotometric Determination of Cobalt, Nickel Palladium, Copper, Ruthenium and Molybdenum Using Sodium Isoamylxanthate in Presence of Surfactants
Sodium isoamylxanthate surfactants metal ions environmental samples
2010/6/27
A direct method has been developed for the spectrophotometric determination of microamounts of Co(II), Ni(II), Cu(II), Pd(II), Ru(III) and Mo(VI) using sodium isoamylxanthate as a reagent in the prese...
Comparative Mechanistic Studies on the Oxidation of Aromatic and Aliphatic Hydroxyl Derivatives in an Alkaline Medium at Preanodized Pt, Au and Pt/Au Electrodes in Presence of Redox Mediators
Comparative Mechanistic Studies Oxidation of Aromatic Aliphatic Hydroxyl Derivatives Alkaline Medium at Preanodized Pt, Au Pt/Au Electrodes in Presence of Redox Mediators
2010/6/29
The role of redox mediators obtained from Pt, Au, and Pt/Au electrodes in the process of electrocatalytic oxidation of aromatic/aliphatic hydroxyl derivatives in an alkaline medium has been studied by...
Reaction of Tribromonitromethane with Aldehydes and Ketones in the Presence of Zn Metal in Aqueous Medium
Reaction of Tribromonitromethane Aldehydes Ketones the Presence Zn Metal Aqueous Medium
2010/6/28
Aldehydes and ketones react with tribromonitromethane in the presence of zinc metal dust, ammonium chloride and water to give dibromonitroalcohols in good yields.