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Syntheses of Heterocycles by Intramolecular Acylation of Nitrile-Hydrogen Halide Adducts (1973)

Simchen, Gerhard ; Entenmann, Günther

Weinheim : Wiley-Blackwell

Angewandte Chemie International Edition in English 12 (1973), S. 119-126

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ISSN: 0570-0833

Keywords: Heterocycles ; Intramolecular reactions ; Acylation ; Nitrile hydrogen halide adducts ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Five-membered, six-membered, and seven-membered aza-, diaza-, and thiazaheterocycles can be prepared by cyclization of. ω-cyano carboxylic acid halides in the presence of hydrogen halides in aprotic solvents. Nitrile-hydrogen halide adducts occur as intermediates in this novel heterocycle synthesis of wide application. The acylating cyclizations of nitriles in protonic media, which proceed via imidic esters or amides, are not discussed.

Additional Material: 9 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/anie.197301191

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