-
Cyclopropene is an
organic compound with the
formula C3H4. It is the
simplest cycloalkene.
Because the ring is
highly strained,
cyclopropene is difficult...
- ring C–C
distances range from 1.374(2) to 1.392(2) Å.
Salts of many
cyclopropenyl cations have been characterized.
Their stability varies according to...
- properties, and the
study of
these properties.
Examples include the
cyclopropenyl cation, the
simplest aromatic system and the
first aromatic compound...
- counting)
Electrons contributed (ionic counting) η1-allyl 1 2 η3-allyl
cyclopropenyl 3 4 η2-butadiene 2 2 η4-butadiene 4 4 η1-cyclopentadienyl 1 2 η3-cyclopentadienyl...
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particularly acidic (pKa 37) and the
anion is
considered nonaromatic. The
cyclopropenyl cation (C 3H+ 3) and the
triboracyclopropenyl dianion (B 3H2– 3) are...
- categorization.
Another example of a non-benzylic
monocyclic arene is the
cyclopropenyl (cyclopropenium cation),
which satisfies Hückel's rule with an n equal...
- and the
nucleotides of DNA.
Aromaticity is
found in ions as well: the
cyclopropenyl cation (2e system), the
cyclopentadienyl anion (6e system), the tropylium...
- concentrations. N-[(1R,2S)-2-hydroxy-1-hydroxymethyl-2-(2-tridecyl-1-
cyclopropenyl)ethyl]octanamide (GT11), is the
inhibitor DDase activity. Rahmaniyan...
- can be
delocalized across three carbons instead of two. However, the
cyclopropenyl anion has 4 π
electrons in a
cyclic system and in fact has a substantially...
-
destabilized by some 40 kcal/mol.
Another aromatic carbenium ion is the
cyclopropenyl or
cyclopropenium ion, C 3H+ 3.
Although less
stable than the tropylium...
