- A
dianion is an
anion with a net
charge of −2.
While there exist many
stable molecular dianions, such as BeF42− and MgF42−, thus far no
stable atomic...
- In
organic chemistry, a
diethynylbenzene dianion is an
anion consisting of two
ethynyl anions as
substituents on a
benzene ring. With the
chemical formula...
- ethanedioate) is an
anion with the
chemical formula formula C2O2−4. This
dianion is colorless. It
occurs naturally,
including in some foods. It
forms a...
- phase: Ortho-diethynylbenzene
dianion (C6H4(C2)2)2− (the
strongest superbase ever synthesized) Meta-diethynylbenzene
dianion (C6H4(C2)2)2− (second strongest...
- nonaromatic. The
cyclopropenyl cation (C 3H+ 3) and the
triboracyclopropenyl dianion (B 3H2– 3) are
considered examples of a two π
electron system,
which are...
- the
reactivity of Fe2(μ-S2)(CO)6
proceeds through its sulfur-centered
dianion, [Fe2(μ-S)2(CO)2]2-. The
synthesis of Fe2(μ-S2)(CO)6 was
first reported...
- condensation. A
subsequent thermal decarboxylation is also possible. The
dianion of
ethylacetoacetate is also a
useful building block,
except that the electrophile...
- deprotonation. The
endoperoxide dianion,
however can give the retro-Diels-Alder product: 1,2-dioxane-3,6-dione
dianion. And
after chemiexcitation by two...
-
other structural analogues like
pyrrole or furan. Once
reduced to the
dianion, the
borolediide complex gains aromaticity and can then parti****te in...
-
species with a
formula of [C8H8]2− and
abbreviated as COT2−. It is the
dianion of cyclooctatetraene.
Salts of the
cyclooctatetraenide anion can be stable...