Ounkham, Whalmany L. published the artcileAqueous-Phase Nitrile Hydration Catalyzed by an In Situ Generated Air-Stable Ruthenium Catalyst, Category: nitriles-buliding-blocks, the main research area is aqueous phase nitrile hydration air stable ruthenium catalyst; benzamide amide preparation green chem; aqueous-phase catalysis; homogeneous catalysis; nitrile hydration; ruthenium; sustainable chemistry.
RuCl2(PTA)4 (PTA=1,3,5-triaza-7-phosphaadamantane) is an active, recyclable, air-stable, aqueous-phase nitrile hydration catalyst. The development of an in situ generated aqueous-phase nitrile hydration catalyst (RuCl3·3 H2O + 6 equiv PTA) is reported. The activity of the in situ catalyst is comparable to RuCl2(PTA)4. The effects of [PTA] on the activity of the reaction were investigated: the catalytic activity, in general, increases as the pH goes up, which shows a pos. correlation with [PTA]. The pH effects were further explored for both the in situ and RuCl2(PTA)4 catalyzed reaction in phosphate buffer solutions with particular attention given to pH 6.8 buffer. Increased catalytic activity was observed at pH 6.8 vs. water for both systems with turnover frequency (TOF) up to 135 h-1 observed for RuCl2(PTA)4 and 64 h-1 for the in situ catalyst. Catalyst loading down to 0.001 mol % was examined with turnover numbers as high as 22 000 reported. Similar to the preformed catalyst, RuCl2(PTA)4, the in situ catalyst could be recycled more than five times without significant loss of activity from either water or pH 6.8 buffer.
Chemistry – A European Journal published new progress about Amides Role: SPN (Synthetic Preparation), PREP (Preparation). 100-70-9 belongs to class nitriles-buliding-blocks, name is Picolinonitrile, and the molecular formula is C6H4N2, Category: nitriles-buliding-blocks.
Referemce:
Nitrile – Wikipedia,
Nitriles – Chemistry LibreTexts