- rate of a
chemical reaction is
increased by an
organic catalyst. This "
organocatalyst"
consists of carbon, hydrogen,
sulfur and
other nonmetal elements found...
- the
substrate and the (thio)urea.
Unlike classical catalysts,
these organocatalysts interact by non-covalent interactions,
especially hydrogen bonding...
- of carbon, hydrogen,
sulfur and
other non-metal elements. When the
organocatalyst is chiral, then
enantioselective synthesis can be achieved; for example...
- non-stereoselective and
stereoselective applications. A
squaramide organocatalyst typically contains the
squaramide group and a
hydrogen bond
donor which...
- α-halo
ester with a
strong base (sodium hydride), a
bromine donor and an
organocatalyst based on
proline and quinine: In the
proposed reaction mechanism the...
-
these organocatalysts were
considered "new generation" and are
competitive to
traditional metal(-ion)-containing catalysts.
Organocatalysts are supposed...
- industrial-scale". Ciriminna, R.; Pagliaro, M. (2010). "Industrial
Oxidations with
Organocatalyst TEMPO and Its Derivatives".
Organic Process Research & Development....
- not isolated. An
enantioselective synthesis employs L-proline as an
organocatalyst: This
reaction was
reported in 1971 by Z. G.
Hajos and D. R. Parrish...
-
electrophiles are also
optically pure. One such
reagent is the fructose-derived
organocatalyst used in the Shi epoxidation. The
catalyst can
accomplish highly enantioselective...
- F. K.; Hansen, T. (2009). "New Phenylglycine-Derived
Primary Amine Organocatalysts for the
Preparation of
Optically Active Warfarin".
European Journal...
