Tertiary amides as solvents in anthrapyridone syntheses
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United States of America Patent
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May 31, 1983
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N/A
app pub date -
Sep 29, 1981
filing date -
Sep 29, 1981
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Expired
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Abstract
Anthrapyridones are prepared in high yields from 1-aminoanthraquinones or 1-alkylaminoanthraquinones and phenylacetyl halides when tertiary amides are employed as reaction media. The phenylacetyl halides can be generated in situ from phenylacetic acid and thionyl halide or phosgene.
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