- 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...
-
acceptor A and an
electron donor D.
Structural of
methine dyes
Methine dyes
comprise an odd
number of
methine groups. The end
groups can also be part of a...
- (a carbyne); CH• (or •CH), CH3• (or ⫶CH) The
methylidyne group ≡CH The
methine group (methanylylidene, methylylidene) =CH−
Chomsky hierarchy, in computer...
- anhydride.
Michael reaction of
maleic anhydride with
active methylene or
methine compounds such as
malonate or
acetoacetate esters in the
presence of sodium...
- 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...
- 1021/jm00367a001. ISSN 0022-2623. PMID 6317859. Berneth,
Horst (2008), "
Methine Dyes and Pigments", Ullmann's
Encyclopedia of
Industrial Chemistry, doi:10...
- dearomatization.
Heteroarenes are
aromatic compounds,
where at
least one
methine or
vinylene (-C= or -CH=CH-)
group is
replaced by a heteroatom: oxygen...
-
easily be
deprotonated to form a
methylene group.
Carbene Methyl group Methine "methylene (preferred
IUPAC name" (PDF). "methylidene (preferred IUPAC...
- as
early as 1949. Akin to HMOX,
coupled oxidation occurs at the alpha-
methine bridge and
leads to
formation of
biliverdin although the reaction's stoichiometry...
