"Praha" . . "1"^^ . . "5"^^ . "3"^^ . . . "Inhibice katalytick\u00E9 aktivity hydrogenace MAA p\u0159es Ru-BINAP v p\u0159\u00EDtomnosti aniont\u016F derivovan\u00FDch kyselin s vy\u0161\u0161\u00EDm pKa uk\u00E1zala na probl\u00E9my alternativn\u00ED aplikace IK s organick\u00FDmi karboxyl\u00E1tov\u00FDmi anionty (obecn\u011B slab\u00E9 konjugovan\u00E9 kyseliny). Proto je zbyte\u010Dn\u00E9 se zab\u00FDvat n\u00E1vrhem dal\u0161\u00EDch (chir\u00E1ln\u00EDch) karboxyl\u00E1tov\u00FDch IK s c\u00EDlem zv\u00FD\u0161it ee, navzdory jejich potenci\u00E1lu p\u0159\u00EDpravy z obnoviteln\u00FDch zdroj\u016F, nap\u0159. betain nebo chir\u00E1ln\u00ED lakt\u00E1t. Na druhou stranu strukturn\u00ED variace kvart\u00E9rn\u00EDch amoniov\u00FDch kationt\u016F je perspektivn\u00ED cestou ke zvy\u0161ov\u00E1n\u00ED (optick\u00E9ho) v\u00FDt\u011B\u017Eku reakce. Kvart\u00E9rn\u00ED amoniov\u00E9 bromidy se uk\u00E1zaly b\u00FDt vhodn\u00FDm aditivem katalytick\u00FDch syst\u00E9m\u016F, ale i chloridy mohou tuto \u00FAlohu dob\u0159e plnit. Na z\u00E1klad\u011B p\u0159edchoz\u00EDch v\u00FDsledk\u016F byl cholin chlorid, jako vyhovuj\u00EDc\u00ED l\u00E1tka z farmaceutick\u00E9ho hlediska, pou\u017Eit jako kl\u00ED\u010Dov\u00E9 aditivum v optimalizovan\u00E9m syst\u00E9mu s methanolem, modifikovan\u00E9m pozitivn\u00EDm tandemem \u2013 subkritick\u00FD CO2-voda."@cs . "Kluso\u0148, Petr" . "The inhibited catalytic activity of Ru-BINAP in MAA hydrogenation through ILs based on anion derivates of acids with higher pKa revealed a side way in the application of the ILs produces from renewable sources, (chiral) carboxylates (betaine, lactates) in genaral. On the other hand the employment of structurally modified quaternary ammonium cations seems to be the perspective route not only in optical yeld increase. Thus quaternary ammonium bromides such as chorides satisfied the reaction parameters enhancement. On the basis of our previous results, envirnmentaly benign choline chloride was applied as a crucial additive in optimized solvent system composed of methanol, CO2 and water."@en . "Quaternary Ammonium Salts in Asymmetric Hydrogenations \u2013 Additives, Reaction and Immobilization Media"@en . "Kvart\u00E9tn\u00ED amoniov\u00E9 sole jako aditiva, reak\u010Dn\u00ED a imobiliza\u010Dn\u00ED m\u00E9dia p\u0159i asymetrick\u00FDch hydrogenac\u00EDch"@cs . "Quaternary Ammonium Salts in Asymmetric Hydrogenations \u2013 Additives, Reaction and Immobilization Media"@en . "Inhibice katalytick\u00E9 aktivity hydrogenace MAA p\u0159es Ru-BINAP v p\u0159\u00EDtomnosti aniont\u016F derivovan\u00FDch kyselin s vy\u0161\u0161\u00EDm pKa uk\u00E1zala na probl\u00E9my alternativn\u00ED aplikace IK s organick\u00FDmi karboxyl\u00E1tov\u00FDmi anionty (obecn\u011B slab\u00E9 konjugovan\u00E9 kyseliny). Proto je zbyte\u010Dn\u00E9 se zab\u00FDvat n\u00E1vrhem dal\u0161\u00EDch (chir\u00E1ln\u00EDch) karboxyl\u00E1tov\u00FDch IK s c\u00EDlem zv\u00FD\u0161it ee, navzdory jejich potenci\u00E1lu p\u0159\u00EDpravy z obnoviteln\u00FDch zdroj\u016F, nap\u0159. betain nebo chir\u00E1ln\u00ED lakt\u00E1t. Na druhou stranu strukturn\u00ED variace kvart\u00E9rn\u00EDch amoniov\u00FDch kationt\u016F je perspektivn\u00ED cestou ke zvy\u0161ov\u00E1n\u00ED (optick\u00E9ho) v\u00FDt\u011B\u017Eku reakce. Kvart\u00E9rn\u00ED amoniov\u00E9 bromidy se uk\u00E1zaly b\u00FDt vhodn\u00FDm aditivem katalytick\u00FDch syst\u00E9m\u016F, ale i chloridy mohou tuto \u00FAlohu dob\u0159e plnit. Na z\u00E1klad\u011B p\u0159edchoz\u00EDch v\u00FDsledk\u016F byl cholin chlorid, jako vyhovuj\u00EDc\u00ED l\u00E1tka z farmaceutick\u00E9ho hlediska, pou\u017Eit jako kl\u00ED\u010Dov\u00E9 aditivum v optimalizovan\u00E9m syst\u00E9mu s methanolem, modifikovan\u00E9m pozitivn\u00EDm tandemem \u2013 subkritick\u00FD CO2-voda." . . "Kvart\u00E9tn\u00ED amoniov\u00E9 sole jako aditiva, reak\u010Dn\u00ED a imobiliza\u010Dn\u00ED m\u00E9dia p\u0159i asymetrick\u00FDch hydrogenac\u00EDch" . "[D99F59E6DF14]" . . . . "Kouty nad Desnou" . "immobilization media; hydrogenation catalysts; ionic liquids additives"@en . "267646" . . "RIV/67985858:_____/10:00346532" . "2010-04-19+02:00"^^ . . "Muldoon, M. J." . . . "PetroChemEng" . . . . "Flori\u0161, T." . . "978-80-02-02212-1" . . . "RIV/67985858:_____/10:00346532!RIV11-GA0-67985858" . "Kvart\u00E9tn\u00ED amoniov\u00E9 sole jako aditiva, reak\u010Dn\u00ED a imobiliza\u010Dn\u00ED m\u00E9dia p\u0159i asymetrick\u00FDch hydrogenac\u00EDch" . . "Sborn\u00EDk p\u0159edn\u00E1\u0161ek" . "Kvart\u00E9tn\u00ED amoniov\u00E9 sole jako aditiva, reak\u010Dn\u00ED a imobiliza\u010Dn\u00ED m\u00E9dia p\u0159i asymetrick\u00FDch hydrogenac\u00EDch"@cs . "P(GD203/08/H032), P(KAN400720701), Z(AV0Z40720504)" .