Drug – bio-affecting and body treating compositions – Conjugate or complex of monoclonal or polyclonal antibody,... – Conjugated via claimed linking group – bond – chelating agent,...
Patent
1977-05-26
1979-10-02
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
041698908
ABSTRACT:
A process for preparing a novel antibiotic, 5"-amino-3',5"-dideoxy-ribostamycin, which comprises subjecting a ribostamycin derivative represented by the formula: ##STR1## to selective sulfonylation to form a 3',5"-O-disulfonyl derivative, SUBJECTING THE THUS PRODUCED DERIVATIVE TO AZIDE-FORMING REACTION WITH SODIUM AZIDE,
REFERENCES:
patent: 3784541 (1974-01-01), Culbertson et al.
patent: 3923783 (1975-12-01), Naito et al.
patent: 3929761 (1975-12-01), Umezawa et al.
patent: 3929762 (1975-12-01), Umezawa et al.
patent: 3940382 (1976-02-01), Umezawa et al.
patent: 4065616 (1977-12-01), Umezawa et al.
Akita Eiichi
Horiuchi Yukio
Miyazawa Takeo
Umezawa Hamao
Umezawa Sumio
Brown Johnnie R.
Meiji Seika Kaisha Ltd.
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