全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Oscar Abelardo Ramírez‐Marroquín , Iván Romero‐Estudillo , José Luis Viveros‐Ceballos ...
来源:[J].European Journal of Organic Chemistry(IF 3.344), 2016, Vol.2016 (2), pp.308-313Wiley
摘要:Abstract(#br)The alkylation reaction of diethyl N ‐(diphenylmethylene)aminomethylphosphonate ( 6 ) with alkyl dihalides under phase‐transfer catalysis followed by hydrolysis of the benzophenone imine moiety and subsequent cyclization provides a simple and convenient method f...
作者:Mingqiang Ding , Xiaowu Jiang , Jinying Peng ...
来源:[J].Macromolecular Rapid Communications(IF 4.929), 2015, Vol.36 (6), pp.538-546Wiley
摘要:A concept based on diffusion‐regulated phase‐transfer catalysis (DRPTC) in an aqueous‐organic biphasic system with copper‐mediated initiators for continuous activator regeneration is successfully developed for atom transfer radical polymerization (ICAR ATRP) (termed D...
作者:Cheonhyoung Park , Min Woo Ha , Byungsoo Kim ...
来源:[J].Advanced Synthesis & Catalysis(IF 5.535), 2015, Vol.357 (13), pp.2841-2848Wiley
摘要:Abstract(#br)A new enantioselective synthetic method for the synthesis of α,α‐dialkylmalonates with a quaternary carbon center was developed via α‐alkylation of prochiral malonates by phase‐transfer catalysis (PTC). Asymmetric α‐alkylation of benzylideneamino ter...
作者:Jan Zelenka , Tomáš Hartman , Kateřina Klímová ...
来源:[J].ChemCatChem(IF 5.181), 2014, Vol.6 (10), pp.2843-2846Wiley
摘要:... The efficiency of the catalytic oxidation depended substantially on the pH of the aqueous phase to reach maximum values at pH 7. Under such conditions, the complete conversion of aliphatic and aromatic sulfides occurred within a maximum of 24 h, whereas the non‐catalyse...
作者:Thibault Gendron , Hripsimée Kessedjian , Elisabeth Davioud‐Charvet ...
来源:[J].European Journal of Organic Chemistry(IF 3.344), 2015, Vol.2015 (8), pp.1790-1796Wiley
摘要:Abstract(#br)Two efficient phase‐transfer‐catalyzed protocols for the diastereoselective synthesis of cis and trans isomers of 2,6‐diaryltetrahydrothiopyran‐4‐ones (2,6‐DATHTPs) have been developed. In a study of the scope of the reactions, differently substituted 2...
作者:Marc Sutter , Dr. Wissam Dayoub , Dr. Estelle Métay ...
来源:[J].ChemCatChem(IF 5.181), 2013, Vol.5 (10), pp.2893-2904Wiley
摘要:Abstract(#br)1,2,3‐Trimethoxypropane ( 2 ), 1‐alkoxy‐2,3‐dimethoxy‐propanes, and 1‐aryloxy‐2,3‐dimethoxypropanes were prepared in good yields and selectivity by solid–liquid phase‐transfer catalysis in the presence of an inorganic base and an ammonium salt a...
作者:Ho‐Shing Wu , Wen‐Han Tan
来源:[J].Journal of Chemical Technology & Biotechnology(IF 2.504), 1996, Vol.67 (4), pp.381-387Wiley
摘要:Abstract(#br)The carbonylation of α‐Bromo‐ p ‐xylene (BrCH2C6H4CH3, BX) with iron pentacarbonyl (Fe(CO)5) by phase‐transfer catalysis was studied in an organic solvent/alkaline solution. The reaction mechanism was...

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