C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 501/16 (2006.01) C07D 501/00 (2006.01) C07D 519/00 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2157870
A cephalosporin derivative represented by the following general formula Image (I) (R1: a hydrogen atom, a lower alkenyl group, a lower alkynyl group, a cycloalkyl group, an protective group for the hydroxyl group or a substituted or unsubstituted lower alkyl group, R2: a hydrogen atom, an ester residue or a negative charge, R3: (1) a group represented by the following formula Image R4, R5: the same or different from each other and each represents a lower alkoxy group or a substituted or unsubstituted amino group, or R4 and R5 may be combined together with the neighboring tetrahydropyridazine ring to form a substituted or unsubstituted condensed five- or six- membered cyclic group, or (2) a group represented by the following formula Image or Image R6, R7: the same or different from each other and each represents a hydrogen atom, a halogen atom, an amino group, an azide group, a carbamoyl group, an unsubstituted or amino-, azide-, carbamoyl- or halogen-substituted lower alkyl group, a carbamoyl group or a substituted or unsubstituted five- or six-membered heterocyclic group (nitrogen atom of the hetero ring may be substituted to form a quaternary amine together with substituent groups), X: a methine group (-CH=) or a nitrogen atom, and A ring: a four- or five-membered nitrogen-containing hetero ring which may contain an oxygen atom), or a salt thereof.
Hara Ryuichiro
Hisamichi Hiroyuki
Itahana Hirotsune
Nagano Noriaki
Sakamoto Kenichiro
Dennison Associates
Yamanouchi Pharmaceutical Co. Ltd.
LandOfFree
Cephalosporin derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cephalosporin derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cephalosporin derivatives will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1534174