C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/101, 167/187
C07D 501/18 (2006.01) A61K 31/545 (2006.01) C07C 45/79 (2006.01) C07D 285/08 (2006.01) C07D 501/24 (2006.01)
Patent
CA 1276929
Abstract of the Disclosure 7-[2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(substituted)- iminoacetamido]-3-[3-(quaternaryammonio)-1-propen-1-yl]-3-cephem- 4-carboxylates of the formula Image I in which R1 and R2 are as defined herein and -N?Q is a quater- nary ammonio group as defined herein, and salts, solvates, hydrates and esters thereof, are potent antibacterial agents. Processes for their preparation and intermediates in such pro- cesses are described.
474260
Naito Takayuki
Oka Masahisa
Okumura Jun
Yamashita Haruhiro
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
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