5-Deoxyfortimicin A, 2,5-dideoxyfortimicin A and the correspondi

Details 5-Deoxyfortimicin A, 2,5-dideoxyfortimicin A and the correspondi 5-Deoxyfortimicin A, 2,5-dideoxyfortimicin A and the correspondi

1979-02-05

1980-06-17

Brown, Johnnie R.

Drug, bio-affecting and body treating compositions

Conjugate or complex of monoclonal or polyclonal antibody,...

Conjugated via claimed linking group, bond, chelating agent,...

536 17R, A61K 3171, C07H 1522

Patent

active

042084075

ABSTRACT:
5-Deoxyfortimicin A, 2,5-dideoxyfortimicin A and the corresponding 4-N-acyl and alkyl fortimicin B derivatives thereof, pharmaceutically acceptable salts thereof, intermediates therefor, and pharmaceutical compositions containing the compounds of this invention. The fortimicin derivatives are represented by the formula: ##STR1## wherein R is selected from the group consisting of acyl, hydroxyacyl, aminoacyl, N-monoloweralkylaminoacyl, N,N-diloweralkylaminoacyl, hydroxyacyl, hydroxy-substituted aminoacyl or an amino acid residue other than glycyl, loweralkyl, aminoloweralkyl, hydroxyloweralkyl, N-monoloweralkylaminoloweralkyl, N-N-diloweralkylaminoloweralkyl or hydroxy-substituted aminoloweralkyl; R.sub.1 is hydrogen or hydroxy; and R.sub.2 is hydrogen or hydroxy with the limitation that either R.sub.1 and R.sub.2 each are hydrogen or when only one of R.sub.1 or R.sub.2 are hydrogen, R.sub.2 is hydrogen and R.sub.1 is hydroxy and R.sub.1 and R.sub.2 both cannot be hydroxy.

REFERENCES:
patent: 3931400 (1976-01-01), Nara et al.
patent: 3976768 (1976-08-01), Nara et al.
patent: 4091032 (1978-05-01), Tadanier et al.

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