-
Cholestane is a
saturated tetracyclic steroid biosynthetically derived from triterpenoids. This 27-carbon
biomarker is
produced by
diagenesis of cholesterol...
- acetoxy, and carboalkoxy.
Yamamura et al.
effectively reduced cholestane-3-one to
cholestane using the
modified Clemmensen condition and gave the product...
-
steroids with a
hydroxy group at
position three and a
skeleton derived from
cholestane.:â1785fâ
Steroids can also be more
radically modified, such as by changes...
- 5-beta-
cholestane-3-alpha, 7-alpha, 12-alpha, 26-tetraol to 5-beta-
cholestane-3-alpha, 7-alpha, 12-alpha-triol-26-oic acid via 5-beta-
cholestane-3-alpha...
-
reaction 5beta-
cholestane-3alpha,7alpha,12alpha-triol +
NADPH + H+ + O2 â {\displaystyle \rightleftharpoons } (25R)-5beta-
cholestane-3alpha,7alpha,12alpha...
- 24-isopropyl
cholestane is an
organic molecule produced by
specific sponges,
protists and
marine algae. The
identification of this
molecule at high abundances...
- a 5beta-
cholestane-3alpha,7alpha-diol 12alpha-hydroxylase (EC 1.14.13.96) is an
enzyme that
catalyzes the
chemical reaction 5beta-
cholestane-3alpha,7alpha-diol...
- 24-isopropyl
cholestane could only have been
produced by demosponges.
Although a
previous publication reported traces of the
chemical 24-isopropyl
cholestane in...
-
eastern tent
caterpillar has not yet been determined, but the
chemical 5β-
cholestane-3-one has been
shown to be
fully competitive with it.
Caterpillars readily...
- (24R-methylcholestane).
Along with
cholestane and stigmastane, this
sterane is used as a
biomarker for
early eukaryotes.
Cholane Cholestane Lanostane Glotter, E. (1991)...
