Article Catalytic Systems Containing p | 食品添加物合法業者資訊網

Reactions[edit]. TsOH may be converted to p-toluenesulfonic anhydride by heating with phosphorus pentoxide. When heated with acid ... Read More

2015年4月16日 — All about elimination of alcohols using strong acids with non-nucleophilic counterions, such as H2SO4, H3PO4, and TsOH. Read More

TsOH catalysis in the Fischer esterification reaction. Related terms: Toluenesulfonate, tosylate, TsO, methanesulfonic acid, trifluoromethanesulfonic acid, ... Read More

由 J Wu 著作 · 2015 · 被引用 15 次 — The double nucleophilic substitution reaction of aziridinofullerene with diols in the presence of p-toluenesulfonic acid affords a series of rare ... Read More

由 K Wang 著作 · 2007 — p-TsOH catalyzed the coupling reaction by means of the synergistic catalysis of protonic acidity and soft basicity. Adding extra solvents to the reaction system ... Read More

2018年6月1日 — The reactions proceed under mild reaction conditions (30 °C) with p-toluenesulfonic acid (TsOH) as a promotor (Scheme 1 c). Read More

由 T Kawamata 著作 · 1996 — We, therefore, investigated the reaction of 3 with TsOH; this gave a diene mixture 7a, 7b, 6 and 5 in a ratio of 8:2:4:1. Almost the same 8:2:1 equilibrium ... Read More

... catalytic p-toluenesulfonic acid (often written as TsOH) in refluxing benzene. Aldehydes and ketones react with two moles of an alcohol to give 1 ... Read More

Addition of a proton (e.g.: p-TsOH, H2SO4) or a Lewis acid leads to a more reactive ... Alternative reactions employ coupling reagents such as DCC (Steglich ... Read More