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General
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Synonym of
1,3 Cyclohexanedione is Dihydroresorcinol. Molecular formula for 1,3
Cyclohexanedione is C6H8O2. It is a light yellow to yellow coloured,
crystalline material. Melting point of 1,3 Cyclohexanedione is
103.0-105.0°C.
Preparation
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Dihydroresorcinol has been prepared by the reduction of resorcinol with
sodium amalgam, by reduction of hydroxyhydroquinone or its carboxylic acid
with sodium amalgam, by hydrolysis of its dioxime, or by cyclization of
ethyl γ-acetylbutyrate. The present method of preparation is essentially
that of Klingenfuss.
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Dihydroresorcinol is unstable; it can be stored only a short time. If it is
not used immediately, it should be stored under an inert gas in a brown
bottle in a refrigerator.
Functions
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Aliphatic
aldehydes can be converted to fluorescent decahydroacridine derivatives by
reaction with 1,3-cyclohexanedione (CHD) in the presence of ammonium sulfate
or ammonium acetate. These derivatives have good chromatographic properties
and excellent fluorescence yields.
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Cyclohexanedione treatment of VLDL(very low density) prior to its injection
into the volunteers substantially altered the metabolic behavior of its
apolipoprotein B moiety.
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Maize
genotypes with tolerance to weed-controlling rates of cyclohexanedione
and/or aryloxyphenoxypropionate herbicides would allow selective
postemergence control of grass weeds in maize.
Applications
- Cyclohexanedione and
aryloxyphenoxypropionate herbicides are mutually exclusive noncompetitive
inhibitors of maize ACCase, suggesting that both herbicides bind the
enzyme at the same site.
- The product
1,3-cyclohexanedione (CHD) and substituted derivatives thereof are useful
for making a variety of pharmaceutical and agricultural chemical products.
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General, Preparation,
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