Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2009-07-27
2010-11-02
Shameem, Golam M (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S215000, C548S235000
Reexamination Certificate
active
07825144
ABSTRACT:
The invention is related to a process for preparing compounds of the formula IV by means of conversion of aromatic aldehydes of the formula I using α-ketoximes of the formula II via N-oxides of the formula III to halomethyloxazoles of the formula IV,wherein R1, R2, R3, R4, R5, R6, R7, R8, X1, X2, X3, o, n1 and n2 are as defined herein.
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patent: 7544809 (2009-06-01), Holla et al.
patent: WO 02/16332 (2002-02-01), None
patent: WO 02/100403 (2002-12-01), None
patent: WO 2004/075815 (2004-09-01), None
patent: WO 2004/076426 (2004-09-01), None
Bodendorf et al (1965): STN International HCAPLUS database, Columbus (OH), accession No. 1965: 431655.
Palmer, D. C., et. al., Synthesis and Reactions of Oxazoles, The Chemistry of Heterocyclic Compounds, vol. 60, Oxazoles: Synthesis, Reactions, and Spectroscopy, Part A, (2003), pp. 1-390.
Hoerlein Rolf-Ludwig
Holla Wolfgang
Kulitzscher Berndt
Laux Wolfgang
Scheffer Robert J. H.
Lin Jiang
Sanofi-Aventis Deutschland GmbH
Shameem Golam M
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