- The α-
ketol rearrangement is the acid-, base-, or heat-induced 1,2-migration of an
alkyl or aryl
group in an α-hydroxy
ketone or
aldehyde to give an isomeric...
- 5-methylthio-5-deoxy-D-ribose-1-phosphate
ketol-isomerase, S-
methyl-5-thio-5-deoxy-D-ribose-1-phosphate
ketol-isomerase, S-
methyl-5-thio-5-deoxy-D-ribose-1-phosphate...
- In enzymology, a
ketol-acid
reductoisomerase (EC 1.1.1.86) is an
enzyme that
catalyzes the
chemical reaction (R)-2,3-dihydroxy-3-methylbutanoate + NADP+...
-
characterization of the
above pictured optically active intermediate bicyclic ketol (in parentheses) has also been described,
because they
worked at ambient...
- (CoA) biosynthesis. It is
produced from 3-hydroxy-3-
methyl-2-oxobutanoic acid by the
enzyme ketol-acid
reductoisomerase (EC 1.1.1.86) and is subsequently...
- of the
reaction is an α-hydroxy–ester or an α-hydroxy-amide. The alpha-
ketol rearrangement is an
interconversion of a
hydroxyl alpha to a
carbonyl to...
-
methyl-2-(3-oxobutyl)-1,3-cyclopentanedione gave the
expected optically active bicyclic ketol (+)-(3aS,7aS)-3a,4,7,7a-tetrahydro-3a-hydroxy-7a-
methyl-1...
- (lithium
aluminium hydride) then gave diol 6, a
dehydration (HCl/water) gave
ketol 7,
deoxygenation of its
acetate by
elemental zinc gave
enone 8, formylation...
-
isolated and
hydrolyzed using aqueous hydrochloric acid to
yield the
ketol (6). The
ketol can then be
cyclized with the use of
acetic acid and pyrrolidine...
- {CH2(CH3)COC(O)Me -> MeC(O)CH2C(O)Me}}} 1,3-****tones
often tautomerize to an enol and
ketol. They
usually exist predominantly in the enol form [citation needed]. The...
