-
react with
aldehydes and
ketones to give
hydrazones.
Phenylhydrazine reacts with
reducing sugars to form
hydrazones known as osazones,
which was developed...
- systems.
Hydrazones are
usually very
stable towards solvolysis, and
conversion to the
ketone can
require vigorous conditions. Also,
aldehydic hydrazones often...
-
procedure by
refluxing carbonyl hydrazones and pot****ium tert-butoxide in dry toluene. Slow
addition of the
hydrazone is not
necessary and it was found...
-
roots with the 1911
discovery by
Wieland and
Roseeu that the
reaction of
hydrazones with
iodine alone (without base)
results in the
azine dimer (structure...
-
Acetone hydrazone (isopropylidenehydrazine) is the
product of
condensation of
acetone and hydrazine, as
typical for
hydrazone formation. It is an intermediate...
-
aldehyde into a
methyl group) via a
hydrazone intermediate. Upon the
catalysis with transition-metals, the
hydrazones are used as
organometallic reagent...
- Reutov, O. A. (May 1966). "Reactions of
hydrazones and
azines with
metal salts Communication 5.
Reactions of
hydrazones and
azines with
mercuric halides"....
-
convert C-Cl to C-H. With
ketones and aldehydes, it
condenses to give the
hydrazones: CH3C6H4SO2NHNH2 + R2C=O → CH3C6H4SO2NHN=CR2 + H2O Upon
heating in solution...
- Bamford–Stevens reaction,
which also
involves the
basic decomposition of
tosyl hydrazones. In a
prelude to the
actual Shapiro reaction, a
ketone or an aldehyde...
- 2-diazopropane [fr] from
acetone hydrazone.
Other oxidizing reagents are lead tetraacetate,
manganese dioxide and the
Swern reagent.
Tosyl hydrazones RRC=N-NHTs are reacted...
