Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1990-05-25
1991-10-29
Ivy, C. Warren
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
5142298, 514294, 514312, 546100, 546123, 546155, 546156, 544 32, 544101, A61K 3147, C07D22704, C07D22706
Patent
active
050617125
ABSTRACT:
Process for the preparation of antibacterial compounds of the formula ##STR1## comprises condensing an oxo compound of the formula ##STR2## with an amino compound of the formula ##STR3## to produce a compound of the formula ##STR4## reacting the compound of the formula (III) with a compound of the formula ##STR5## to give a compound of the formula ##STR6## and then eliminating the amino-protective group ##STR7##
REFERENCES:
patent: 4556658 (1985-12-01), Grohe et al.
patent: 4666920 (1987-05-01), Grohe et al.
patent: 4762845 (1988-08-01), Chu et al.
Chemical Abstracts, vol. 105, No. 23, Abstract 208,850w Dec. 8, 1986, p. 593.
Chemical Abstracts, vol. 107, No. 9, Abstract 77,777u, Aug. 31, 1987, p. 703.
Endermann Rainer
Grohe Klaus
Haller Ingo
Krebs Andreas
Metzger Karl G.
Bayer Aktiengesellschaft
Ivy C. Warren
Northington-Davis Zinna
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