Online Encyclopedia

KETONES

Online Encyclopedia
Originally appearing in Volume V15, Page 762 of the 1911 Encyclopedia Britannica.
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KETONES  , in

chemistry, organic compounds of the type R • CO • R', where R, R' = alkyl or aryl groups . If the groups, R and R' are identical, the ketone is called a
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simple ketone, if unlike, a mixed ketone . They may be prepared by the oxidation of secondary alcohols; by the addition of the elements of
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water to
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hydrocarbons of the
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acetylene type RC CH ; by oxidation of
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primary alcohols of the type RR'•CH•CH2OH:RR'•CH•CH2OH -~ R•CO•R'+H2O+H2CO2; by distillation of the calcium salts of the fatty acids, CnH23102; by
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heating the sodium salts of these acids C.H2n02 with the corresponding acid anhydride to 19o° C . (W . H . Perkin, Jour . Chem .
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Soc., 1886, 49, p . 322); by the
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action of anhydrous ferric Chloride on acid chlorides (J . Hamonet, Bull. de la soc . chim., 1888, 50, p . 357), 2C2HSO001 C2H6• CO .

End of Article: KETONES
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BARON VON WILHELM EMMANUEL KETTELER (1811-1877)

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