Peptide derivatives and antidemetia agents
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United States of America Patent
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May 17, 1994
Grant Date -
N/A
app pub date -
Aug 14, 1989
filing date -
Aug 12, 1988
priority date (Note) -
Expired
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Abstract
A novel peptide derivative having the formula: ##STR1## wherein A between Pro and Q.sup.2 is Arg or Lys: Q.sup.1 is pGlu or H; Q.sup.2 is --Gly--OH or OH; Y.sup.1 is H or --CO--T and Y.sup.2 is OH or T; wherein T is a thiamine derivative group is disclosed. The peptide derivative shows a remarkable nootropic effect.
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