-
Pulvinic acids are
natural chemical pigments found in some lichens,
derived biosynthetically from the
aromatic amino acids phenylalanine and tyrosine,...
- lichens. It is a
simple methyl ester derivative of its
parent compound,
pulvinic acid, and a
close relative of pulvinone, both of
which derive from aromatic...
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three classes of
chemical compounds:
pulvinic acid-type family, himanimides, and
polyine acids.
Within the
pulvinic acid-type family, atromentin-derived...
- Many
natural products such as
ascorbic acid (vitamin C),
penicillic acid,
pulvinic acids, and
abyssomicins possess the β-keto-γ-butyrolactone
motif of tetronic...
- He
named the
resulting diacid pulvinic acid. The
German chemist Jacob Volhard elucidated the
constitution of
pulvinic acid by
synthesizing it through...
- acid
methyl ester 3,3',4,4'-Tetra-O-methyl
variegatic acid
methyl ester Pulvinic acid
Pulvinone Vulpinic acid Velíšek J,
Cejpek K (2011). "Pigments of higher...
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methyl variegate, the red variegatorubin, and
several derivatives of
pulvinic acid. The
presence of
these pigments suggests a
chemotaxic relationship...
-
characteristic that was once
considered unique to this genus. Some
species contain pulvinic acid-related pigments; in
these species the
soredia and pseudocyp****ae...
-
frustosus variety is
reported as
causing severe sickness in Europe. The
pulvinic acid
derivatives atromentic acid,
variegatic acid, and
xerocomic acid are...
-
unique chemical substances it contains, such as calycin,
pulvinic and
vulpinic acids, and
pulvinic acid lactone. The
genus Opeltiella was cir****scribed by...
