- In
organic chemistry, a
cycloaddition is a
chemical reaction in
which "two or more
unsaturated molecules (or
parts of the same molecule)
combine with...
-
cycloaddition is a
chemical reaction between a 1,3-dipole and a
dipolarophile to form a five-membered ring. The
earliest 1,3-dipolar
cycloadditions were...
- The azide-alkyne ****sgen
cycloaddition is a 1,3-dipolar
cycloaddition between an
azide and a
terminal or
internal alkyne to give a 1,2,3-triazole. Rolf...
-
better than others:[clarification needed] [3+2]
cycloadditions, such as the ****sgen 1,3-dipolar
cycloaddition, in
particular the Cu(I)-catalyzed stepwise...
-
Ketene cycloadditions are the
reactions of the pi
system of
ketenes with
unsaturated compounds to
provide four-membered or
larger rings. [2+2], [3+2],...
-
Trimethylenemethane cycloaddition is the
formal (3+2)
annulation of
trimethylenemethane (TMM)
derivatives to two-atom pi systems.
Although TMM itself...
- In
organic chemistry, enone–alkene
cycloadditions are a
version of the [2+2]
cycloaddition. This
reaction involves an
enone and
alkene as substrates....
-
formidable (up to ca. 5 eV or 480 kJ/mol in the case of a
forbidden [2+2]
cycloaddition), the
prohibition is not absolute, and symmetry-forbidden reactions...
-
fulfill the
requirements of bioorthogonality,
including the 1,3-dipolar
cycloaddition between azides and
cyclooctynes (also
termed copper-free
click chemistry)...
- of an
iminium ion next to a carbanion. They are used in 1,3-dipolar
cycloaddition reactions to form five-membered heterocycles,
including pyrrolidines...
