N-Substituted dimeric cyclopeptide derivatives
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United States of America Patent
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Aug 30, 1983
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N/A
app pub date -
Sep 22, 1980
filing date -
Sep 11, 1978
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Abstract
The N-substituted dimeric cyclopeptide derivatives of formula ##STR1## in which A is a peptide residue having one to four amino acid residues; R.sup.1 is lower alkyl, phenyl or phenyl(lower)alkylene; R.sup.2 is lower alkyl, cyclo(lower)alkyl or lower alkoxycarbonyl(lower)alkylene; and R.sup.3 is a neutral amino acid side chain and a method for the preparation of the compounds of formula I are disclosed. The compounds of formula I are useful for treating microbial infections. Pharmaceutical compositions also are disclosed.
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