Chemistry: natural resins or derivatives; peptides or proteins; – Peptides of 3 to 100 amino acid residues – Cyclic peptides
Patent
1992-03-16
1993-11-02
Chan, Y. Christina
Chemistry: natural resins or derivatives; peptides or proteins;
Peptides of 3 to 100 amino acid residues
Cyclic peptides
930270, 930DIG536, C07K 754
Patent
active
052584933
ABSTRACT:
Disclosed herein are cyclic peptide derivatives of the formula ##STR1## wherein A is absent or the tripeptide radical Thr.rarw.Gly.rarw.Ala, R.sup.1 is benzyl or benzyl monosubstituted at position 4 of the aromatic ring with halo, hydroxy, lower alkyl or lower alkoxy, R.sup.2 and R.sup.4 each independently is hydrogen or lower alkyl, R.sup.3 is lower alkyl or lower alkyl monosubstituted with a hydroxy, R.sup.5 is lower alkyl, Y is oxo or thioxo and Z is hydroxy or NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 each independently is hydrogen or lower alkyl. The derivatives are useful for treating herpes infections.
REFERENCES:
patent: 4814432 (1989-03-01), Freidinger et al.
Adams Julian
DiMaio John
Plante Raymond
Bio-Mega Boehringer Ingelheim Research Inc.
Chan Y. Christina
Frankhouser D. E.
Reitenbach D.
Timbers M-E. M.
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