Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2008-03-11
2008-03-11
Shameem, Golam M. M. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S486000, C548S484000, C514S412000, C514S415000
Reexamination Certificate
active
07342040
ABSTRACT:
A 5-fluorooxindole-3-carboxylic acid ester represented by a formula (2):wherein R1is a group selected from the group consisting of an unsubstituted or substituted alkyl group having 1 to 10 carbon atoms, an unsubstituted or substituted cycloalkyl group having 3 to 7 carbon atoms, an aralkyl group having 7 to 10 carbon atoms or an aryl group having 6 to 14 carbon atoms.
REFERENCES:
patent: 4678802 (1987-07-01), Kadin
patent: 4725616 (1988-02-01), Kadin
patent: 4791129 (1988-12-01), Kadin
patent: 6900335 (2005-05-01), Harada et al.
patent: 0 032 620 (1981-07-01), None
patent: 0 208 510 (1987-01-01), None
patent: 55-40616 (1980-03-01), None
patent: 2-223542 (1990-09-01), None
patent: 7-500837 (1995-01-01), None
patent: 10-513183 (1998-12-01), None
patent: 11-228500 (1999-08-01), None
patent: WO 93/09077 (1993-05-01), None
patent: WO 96/23770 (1996-08-01), None
Kadin et al (1989): STN International HCAPLUS database, Columbus (OH), accession No. 1989: 23728.
E.A. Kraynack et al., “An Improved Procedure for the Regiospecific Synthesis of Electron Deficient 4- and 6-Substituted Isatins”,Tetrahedron Letters, 39(42), pp. 7679-7682 (1998).
G.J. Quallich et al., “A General Oxindole Synthesis”,SYNTHESIS, pp. 51-53, (Jan. 1993).
Kazumi Okuro et al., “Copper-Catalyzed Reaction of Aryl Iodides with Active Methylene Compounds,”J. Org. Chem., (1993), 58(26), pp. 7606-7607.
Harada Katsumasa
Hirotsu Kenji
Nishino Shigeyoshi
Oda Hiroyuki
Takahashi Takeshi
Frishauf Holtz Goodman & Chick P.C.
Shameem Golam M. M.
Ube Industries Ltd.
LandOfFree
5-fluorooxindole-3-carboxylic acid ester does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with 5-fluorooxindole-3-carboxylic acid ester, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 5-fluorooxindole-3-carboxylic acid ester will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2791258