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Acyl cyanides Claisen condensation

The thenyl cyanides are of great importance for the preparation of thiophene derivatives. Because of the acidifying effects of both the thienyl and of the cyano groups, carbanions are easily obtained through the reaction with sodamide or sodium ethoxide, which can be alkylated with halides, carbethoxylated with ethyl carbonate, or acylated by Claisen condensation with ethyl... [Pg.93]

The acylation of RLi or RMgBr by nitriles (cyanides) is an effective way to make ketones (Chapr and here we see the cyanide version of an intramolecular Claisen ester condensation. One cy-makes an enolate , which attacks the other. The resulting imine tautomerizes to the coni. . enamino nitrile. [Pg.226]

See other pages where Acyl cyanides Claisen condensation is mentioned: [Pg.801]    [Pg.801]    [Pg.316]   
See also in sourсe #XX -- [ Pg.801 ]

See also in sourсe #XX -- [ Pg.801 ]

See also in sourсe #XX -- [ Pg.801 ]



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Claisen condensation

Cyanides, acyl

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