-
mechanisms describe the 1,3-dipolar cycloaddition: first, the
concerted pericyclic cycloaddition mechanism,
proposed by Rolf ****sgen; and second, the stepwise...
- In
organic chemistry, a
pericyclic reaction is the type of
organic reaction wherein the
transition state of the
molecule has a
cyclic geometry, the reaction...
- The Woodward–Hoffmann
rules (or the
pericyclic selection rules) are a set of
rules devised by
Robert Burns Woodward and
Roald Hoffmann to
rationalize or...
-
alkyl group fluidly along a bond, not
ionic bond-breaking and forming. In
pericyclic reactions,
explanation by
orbital interactions give a
better picture than...
-
Nicolaou labels the
cascades as nucleophilic/electrophilic, radical,
pericyclic or transition-metal-catalyzed,
based on the
mechanism of the
steps involved...
- are
addition reactions,
elimination reactions,
substitution reactions,
pericyclic reactions,
rearrangement reactions,
photochemical reactions and redox...
- not all
cycloadditions are
concerted and thus
pericyclic.
Nonconcerted cycloadditions are not
pericyclic. As a
class of
addition reaction, cycloadditions...
-
reaction mechanisms. Hoffman's work
focused on
creating a set of four
pericyclic reactions in
organic chemistry,
based on
orbital symmetry,
which he coaut****d...
-
intermediates and
transition states for
pericyclic processes. Thus it was
noted that
along the
reaction coordinate of
pericyclic processes one
could have either...
-
substituted cyclohexene derivative. It is the
prototypical example of a
pericyclic reaction with a
concerted mechanism. More specifically, it is classified...