Dioxopiperazine derivatives suitable for use as medicaments and

Details Dioxopiperazine derivatives suitable for use as medicaments and Dioxopiperazine derivatives suitable for use as medicaments and

1977-12-16

1980-01-08

Demers, Arthur P.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

542420, 542425, 544382, 544385, C07D24102, C07D40502, C07D40902

Patent

active

041827627

ABSTRACT:
New dioxo-piperazine derivatives suitable for use as medicaments and .beta.-lactam antibiotic intermediates of the formula ##STR1## in which Z is ##STR2## and, R.sup.1 and R.sup.2 each independently is hydrogen or various optionally substituted aliphatic, aromatic or heterocyclic radicals or together form an optionally substituted ring,
are formed by reacting

REFERENCES:
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patent: 3803136 (1974-04-01), Schwan et al.
patent: 3830805 (1974-08-01), Pilgram
patent: 3903081 (1975-09-01), Winkelmann
patent: 3978068 (1976-08-01), Dickore et al.
patent: 4049650 (1977-09-01), White
Saikawa et al., Chem Abst. 87, (1977), #102380 #53376 and #53377.
Knobloch et al., Chem. Abstracts 58, col. 2504(b).

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