- [−(CRR')−(C4H2NH)−]n\. The
desired porphyrinogens (n = 4) can then be separated. Meso-substituted
porphyrinogens with
eight non-hydrogen side chains...
-
Pyrroles are
components of more
complex macrocycles,
including the
porphyrinogens and
products derived therefrom,
including porphyrins of heme, the chlorins...
- with the
formula (Me2C-C4H2NH)4 (Me = CH3. It is one of the
simplest porphyrinogens, a
family of
compounds that
occur as
intermediates in the biosynthesis...
-
vitamin B12, and siroheme. It is a
colorless compound, like
other porphyrinogens. The
molecular structure of
uroporphyrinogen III can be
described as...
-
uroporphyrinogen III
which is
oxidized from the
relatively harmless porphyrinogens into
their oxidized porphyrins form.
Concentrated instances of oxidative...
-
intermediate in the
synthesis of
hexahydroporphine ("unsubstituted
porphyrinogen"), the core of
uroporphyrinogen III,
precursor of many
critically important...
- atoms.
Hexahydroporphine does not
occur in nature, but is the core of
porphyrinogens such as
uroporphyrinogen III (UROGEN),
which are
precursors of many...
- to a
porphine core in
later stages of the heme synthesis. Like most
porphyrinogens, it is colorless.[citation needed] The
compound is
synthesized in most...
- and
aldehyde to give the
porphyrinogen. In this so-called
Lindsey synthesis of meso-substituted porphyrins, the
porphyrinogen is
subsequently oxidized...
- porphyrins. Upon
treatment with aldehydes,
bilanes may
cyclize to give
porphyrinogens and
various open or
closed oligomers and polymers. In
living organisms...
