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Synthesis of Several 2‐Azafluorenones and 5H[1]Benzopyrano[3,4‐c]Py Riding‐Ones
Author(s) -
Shiao MinJen,
Peng ChinJen,
Wang JyShib,
Ma YingTsun
Publication year - 1992
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.199200028
Subject(s) - chemistry , intramolecular force , permanganate , stereochemistry , potassium permanganate , medicinal chemistry , combinatorial chemistry , organic chemistry
Convenient syntheses of 2‐azafluorenones 5a‐f and 5H[1]benzopyrano[3,4‐c]pyridin‐5‐ones 6a‐b were performed by using intramolecular cyclization of 4‐arylnicotinic acids 4a‐F. 4a‐f were obtained via permanganate oxidation from the corresponding of 4‐arylpyridines 3a‐f in good yields.

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