-
called hemiketals. Most
sugars are hemiacetals.
According to the
IUPAC definition, in R1R2C(OH)OR R1 and R2 may or may not be a hydrogen. In a
hemiketal, neither...
- stereodescriptors. The
anomeric centre in
hemiacetals is the
anomeric carbon C-1; in
hemiketals, it is the
carbon derived from the
carbonyl of the
ketone (e.g. C-2 in...
-
another carbohydrate. A
glycosidic bond is
formed between the
hemiacetal or
hemiketal group of a
saccharide (or a
molecule derived from a saccharide) and the...
- The
furanose ring is a
cyclic hemiacetal of an
aldopentose or a
cyclic hemiketal of a ketohexose. A
furanose ring
structure consists of four
carbon and...
- six-membered structure,
called β-d-fructopyranose,
owing to the
stability of its
hemiketal and
internal hydrogen-bonding. In solution,
fructose exists as an equilibrium...
- R2CH(OR1)(OH)
alkoxy -ol -al
alkyl hemiacetal Hemiketal Hemiketal RC(ORʺ)(OH)R'
alkoxy -ol -one
alkyl hemiketal Acetal Acetal RCH(OR')(OR") dialkoxy- -al...
- 3730420523. Dewick, Paul M. (2013). "Oxygen as a Nucleophile: Hemicetals,
Hemiketals,
Acetals and Ketals".
Essentials of
Organic Chemistry: For
Students of...
- workup, a
tertiary alcohol With an
alcohols or
alkoxides to
gives the
hemiketal or its
conjugate base. With a diol to the ketal. This
reaction is emplo****...
- the
hydroxyl group of another. The
cyclic molecule has a
hemiacetal or
hemiketal group,
depending on
whether the
linear form was an
aldose or a ketose...
- the
fictitious aldehyde form Ball-and-stick
model of the 18-acetal-20-
hemiketal form
based on
crystallography Names IUPAC name 11β,21-Dihydroxy-3...
