3-substituted cephalosporins, and their use as medicaments

Details 3-substituted cephalosporins, and their use as medicaments 3-substituted cephalosporins, and their use as medicaments

1991-11-21

1994-01-04

Rizzo, Nicholas S.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540222, 540226, 540227, 514206, C07D50122, A61K 31545

Patent

active

052760243

ABSTRACT:
The invention relates to new 3-substituted cephalosporins, to a process for their preparation and to their use as medicaments, in particular as medicaments having antibacterial activity.
The invention relates to compounds of the general formula (I) ##STR1## in which X, Y, R.sup.1 and R.sup.2 have the meaning indicated in the description.

REFERENCES:
patent: 3947413 (1976-03-01), Christensen et al.
patent: 4060687 (1977-11-01), Christensen et al.
patent: 4258040 (1981-03-01), Christensen et al.
patent: 4496560 (1985-01-01), Fayl et al.
patent: 4870168 (1989-09-01), Baker et al.
patent: 5043439 (1991-08-01), Kant et al.
patent: 5081116 (1992-01-01), Nagane et al.
J. Org. Chem. 1989, 54, 4962-4966.
Tetrahedron Letters, vol. 29, No. 47, pp. 6043-6046 (1988).
Tetrahedron vol. 34, pp. 2233-2243, 1978.

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