1
Joanne J Bronson, Stanley V D Andrea, Shelley E Hoeft, John D Matiskella, Peter F Misco Jr, Bing Y Luh, Dane M Springer, Yasutsugu Ueda, John A Wichtowski: Cephalosporin derviatives. Bristol Myers Squibb Company, David M Morse, April 15, 1997: US05620969 (11 worldwide citation)

Novel cephem derivatives represented by the general formula ##STR1## in which the Acyl substituent is a group of the formula ##STR2## wherein Ar is a lipophilic optionally substituted phenyl, naphthyl or pyridyl group; R.sup.1 represents either the residue of a heterocyclic amino acid or a C.sub.2 - ...


2
Choung U Kim, Muzammil M Mansuri, Peter F Misco Jr, John A Wichtowski, Joanne J Bronson, Stanley V D Andrea, Thomas W Hudyma: Cephalosporin derivatives. Bristol Myers Squibb Company, David M Morse, September 24, 1996: US05559108 (5 worldwide citation)

Novel cephem derivatives represented by the general formula ##STR1## in which the Acyl substituent is a group of the formula ##STR2## where Ar is a substituted phenyl or optionally substituted naphthyl or benzthiazolyl group and A is a substituted-pyridinium group are gram-positive antibiotics, espe ...


3
Choung U Kim, Peter F Misco Jr: Carbapenem antibiotics. Bristol Myers Company, David M Morse, February 3, 1987: US04640799 (4 worldwide citation)

Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or C.sub.2 -C.sub.6 alkylene optionally substituted by one or more C.sub.1 -C.sub.4 alkyl groups; R.sup.5 represents either (a) an optionally substi ...


4
Choung U Kim, Peter F Misco Jr: Carbapenem antibiotics. Bristol Myers Company, David M Morse, November 12, 1985: US04552696 (4 worldwide citation)

Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or C.sub.2 -C.sub.6 alkylene optionally substituted by one or more C.sub.1 -C.sub.4 alkyl groups and ##STR2## represents a quaternized nitrogen-cont ...


5
Choung U Kim, Peter F Misco Jr: Carbapenem antibiotics. Bristol Myers Company, David M Morse, May 12, 1987: US04665170 (3 worldwide citation)

Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or C.sub.2 -C.sub.6 alkylene optionally substituted by one or more C.sub.1 -C.sub.4 alkyl groups; R.sup.5 represents either (a) an optionally substi ...


6
Choung U Kim, Peter F Misco Jr, John A Wichtowski, Yasutsugu Ueda, Thomas W Hudyma, John D Matiskella, Stanley V D Andrea, Shelley E Hoeft, Raymond F Miller, Muzammil M Mansuri, Joanne J Bronson: Pyridinium thiomethyl substituted chepholosporin derivatives. Bristol Myers Squibb Company, David M Morse, October 22, 1996: US05567698 (2 worldwide citation)

Novel cephem derivatives represented by the general formula ##STR1## in which the Acyl substituent is a group of the formula ##STR2## wherein Ar is a lipophilic optionally substituted phenyl, naphthyl, pyridyl or benzthiazolyl group; R.sup.1 is selected from certain optionally substituted aliphatic, ...


7
Choung U Kim, Peter F Misco Jr: Carbapenem antibiotics. Bristol Myers Company, David M Morse, February 10, 1987: US04642341

Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or C.sub.2 -C.sub.6 alkylene optionally substituted by one or more C.sub.1 -C.sub.4 alkyl groups and ##STR2## represents a quaternized nitrogen-cont ...


8
Choung Un Kim, Peter F Misco Jr: Carbapenem antibiotics. Bristol Myers Company, David M Morse, December 1, 1987: US04710568

Disclosed are novel carbapenem derivatives characterized by a 2-substituent of the formula ##STR1## in which A represents cyclopentylene, cyclohexylene or C.sub.2 -C.sub.6 alkylene optionally substituted by one or more C.sub.1 -C.sub.4 alkyl groups and ##STR2## represents a quaternized nitrogen-cont ...


9
Choung U Kim, Peter F Misco Jr, John A Wichtowski, Yasutsugu Ueda, Thomas W Hudyma, John D Matiskella, Stanley V D Andrea, Shelley E Hoeft, Raymond F Miller, Muzammil M Mansuri, Joanne J Bronson: Cephalosporin derivatives. Bristol Myers Squibb Company, David M Morse, September 16, 1997: US05668284

Novel cephem derivatives represented by the general formula ##STR1## in which the Acyl substituent is a group of the formula ##STR2## wherein Ar is a lipophilic optionally substituted phenyl, naphthyl, pyridyl or benzthiazolyl group; R.sup.1 is selected from certain optionally substituted aliphatic, ...


10
Joanne J Bronson, Stanley V D Andrea, Shelley E Hoeft, John D Matiskella, Peter F Misco Jr, Bing Yu Luh, Dane M Springer, Yasutsugu Ueda, John A Wichtowski: Substituted 4-thio pyridones. Bristol Myers Squibb Company, David M Morse, September 16, 1997: US05668290

Novel cephem derivatives represented by the general formula ##STR1## in which the Acyl substituent is a group of the formula ##STR2## wherein Ar is a lipophilic optionally substituted phenyl, naphthyl or pyridyl group; R.sup.1 represents either the residue of a heterocyclic amino acid or a C.sub.2 - ...