Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-10-19
2008-05-27
Habte, Kahsay T (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C544S090000
Reexamination Certificate
active
07378416
ABSTRACT:
3,4-dihydro-benzo[e][1,3]oxazin-2-ones which are substituted at the nitrogen atom by unsubstituted or substituted (C3-8)cycloalkyl, (C1-4)alkyl(C3-8)cycloalkyl, (C6-18)aryl or (C6-18)aryl(C1-4)alkyl and their use as pharmaceuticals.
REFERENCES:
C. Cimarelli: “A facile synthesis of 3,4-dialkyl-3, 4-2H-1, 3-benzoxazin-2-ones and naphthoxazin-2ones and their reactions with organolithium and grignard reagents—prepraration of N-′1-(2′-hydroxyphenyl) alkyl amides”, Canadian Journal of Chemistry, vol. 82, No. 8, pp. 1314-1321, (2004).
O. Masaya et al., “Coumarain and chromen-4-one analogues as tautomerase inhibitors of macrophage migration inhibitors of macrophage migration inhibitory factor: discovery and x-ray crystallography”, Journal Med. Chem, vol. 44, pp. 540-547, (2001).
Billich Andreas
Gstach Hubert
Lehr Philipp
Alexander John B.
Habte Kahsay T
Novartis
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