-
geminal (from
Latin gemini 'twins')
refers to the
relationship between two
atoms or
functional groups that are
attached to the same atom. A
geminal diol...
- A
geminal diol (or gem-diol for short) is any
organic compound having two
hydroxyl functional groups (-OH)
bound to the same
carbon atom.
Geminal diols...
- and propylene-1,3-diol, or beta
propylene glycol, HO−CH2−CH2−CH2−OH. A
geminal diol has two
hydroxyl groups bonded to the same atom.
These species arise...
- alkylimino-de-oxo-bisubstitution.
Hemiaminals can be
viewed as a
blend of
aminals and
geminal diol. They are a
special case of
amino alcohols.
Hemiaminals form from...
-
Geminal halide hydrolysis is an
organic reaction. The
reactants are
geminal dihalides with a
water molecule or a
hydroxide ion. The
reaction yields ketones...
- groups) vs.
geminal (between the
atoms in a
single methyl group)
interactions to hyperconjugation. In
separate experiments, the
geminal and
vicinal interactions...
-
catalyst to give
geminal diacetates. A
former industrial route to
vinyl acetate involved the
intermediate ethylidene diacetate, the
geminal diacetate obtained...
- methods. Many
other methods have been developed,
examples include: By
geminal halide hydrolysis. By
hydration of alkynes. Such
processes occur via enols...
-
chloride and HCl to form an aldehyde.
Geminal halide hydrolysis Geminal dihalides Hydrolysis of
primary geminal dihalides to
yield aldehydes.
Meyers synthesis...
- 2-Butanediol 1,3-Butanediol 1,4-Butanediol 2,3-Butanediol
There are also two
geminal diols (gem-diols),
which are less stable: 1,1-Butanediol,
hydrate of butanal...
