- In
organic chemistry, a
methine group or
methine bridge is a
trivalent functional group =CH−,
derived formally from methane. It
consists of a
carbon atom...
-
Methine dyes (polymethine dyes) are dyes
whose chromophoric system consists of
conjugated double bonds (polyenes)
flanked by two end groups: an electron...
-
chemical formula C5H5N. It is
structurally related to benzene, with one
methine group (=CH−)
replaced by a
nitrogen atom (=N−). It is a
highly flammable...
- the bilin's
parent compound was
protoporphyrin IX
cleaved at the alpha-
methine bridge (see
protoporphyrin IX nomenclature).
Origins pertaining to the...
- four
modified pyrrole subunits interconnected at
their α
carbon atoms via
methine bridges (=CH−). In vertebrates, an
essential member of the
porphyrin group...
-
easily be
deprotonated to form a
methylene group.
Carbene Methyl group Methine "methylene (preferred
IUPAC name" (PDF). "methylidene (preferred IUPAC...
- flat macrocycle,
consisting of four pyrrole-like
rings joined by four
methine bridges,
which makes it the
simplest of the tetrapyrroles. The nonpolar...
- odd
number of
methine groups (CH)
bound together by
alternating single and
double bonds.
Compounds made up from an even
number of
methine groups are known...
- (a carbyne); CH• (or •CH), CH3• (or ⫶CH) The
methylidyne group ≡CH The
methine group (methanylylidene, methylylidene) =CH−
Chomsky hierarchy, in computer...
- 1021/jm00367a001. ISSN 0022-2623. PMID 6317859. Berneth,
Horst (2008), "
Methine Dyes and Pigments", Ullmann's
Encyclopedia of
Industrial Chemistry, doi:10...
