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Benzalacetophenone dibromide

Dibenzoylmcthane has been prepared by the hydrolysis of dibenzoyl acetic acid 1 by the slow spontaneous decomposition of acetyl dibenzoyl methane 2 by the action of metallic sodium,3 sodium ethylate,3 sodium methylate,4 alchoholic potash,4 or sodamide 5 on mixtures of acetophenone and ethyl benzoate and by the action of alcoholic potash,6 sodium methylate,7 or sodium ethylate 8 on benzalacetophenone dibromide. [Pg.62]

The formation of cyano ketones by this method is illustrated by the conversion of phenacyl halides to the corresponding nitriles. Ring closure to cyclopropane derivatives is a side reaction which has been encountered with y-halo ketones. Benzalacetophenone dibromide is converted by alcoholic potassium cyanide to the fi-cyaao ketone, the a-halogen atom being reduced. Several a-chloro ketones have been found to yield a-cyano epoxides. ... [Pg.748]

See other pages where Benzalacetophenone dibromide is mentioned: [Pg.60]    [Pg.130]    [Pg.11]    [Pg.11]    [Pg.99]    [Pg.69]    [Pg.69]    [Pg.31]    [Pg.66]    [Pg.549]    [Pg.52]    [Pg.49]    [Pg.60]    [Pg.130]    [Pg.11]    [Pg.11]    [Pg.99]    [Pg.69]    [Pg.69]    [Pg.31]    [Pg.66]    [Pg.549]    [Pg.52]    [Pg.49]    [Pg.139]    [Pg.139]   
See also in sourсe #XX -- [ Pg.11 , Pg.27 ]

See also in sourсe #XX -- [ Pg.11 , Pg.27 ]

See also in sourсe #XX -- [ Pg.11 , Pg.27 ]



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Dibromide

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