Novel polycyclic hydrazones of rifamycins, their manufacture, an

Details Novel polycyclic hydrazones of rifamycins, their manufacture, an Novel polycyclic hydrazones of rifamycins, their manufacture, an

1985-08-08

1987-07-21

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

514920, 544349, C07D51900, A61K 31495, A61K 31395

Patent

active

046819380

ABSTRACT:
Novel hydrazones derived from 3-formylrifamycin S or SV as the aldehydo component and a bi- or tri-cyclic N-aminopiperazine as the hydrazino component and having the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, independently of one another, each represents a hydrogen atom or C.sub.1-4 -alkyl,

REFERENCES:
patent: 3342810 (1967-09-01), Maggi
patent: 4002752 (1977-01-01), Cricchio
patent: 4002754 (1977-01-01), Cricchio
patent: 4551450 (1985-11-01), Traxler

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