Appeal No. 94-3007
Application 07/809,039
fragment in the otherwise identical cyclic peptide ring, and
(2) an aminoacyl or N-alkanoylaminoacyl cyclic peptide ring
substituent which is characteristic of Debono’s derivatives.
However, the examiner does not cite Debono for its description
of the A-21978C cyclic peptide derivatives Debono describes
and claims which carry a aminoacyl or N-alkanoyl-aminoacyl
ring substituent, but for its description of the A-21978C
cyclic peptides from which Debono’s A-21978C derivatives
were derived. The old A-21978C cyclic peptides appear to
differ from the cyclic peptide compounds
of appellants’ Claim 31 by a single amino acid fragment in
their cyclic peptide rings. The new A-21978C cyclic peptide
derivatives of Claim 31 include the following fragment in
their
cyclic peptide rings:
\
C=O
/
HN
\
CH
/ \
O=C CH2
/ \
HO C=O
/
- NH CH - NH
2
- 3 -
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