Peptides, process for preparing the same and psychodepressant compositions containing the same
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United States of America
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Oct 27, 1987
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N/A
app pub date -
Jan 3, 1986
filing date -
Oct 27, 1982
priority date (Note) -
Expired
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Abstract
This invention provides a peptide represented by the formula R--Tyr(SO.sub.3 H)--Met--Gly--Trp--Met--Asp--W--NH.sub.2 wherein R is HOOC--A--CO--Asp-- (wherein A is lower alkylene), pGlu--Asp--, HOOC--A--CO-- (wherein A is lower alkylene) or ##STR1## and W is Phe or N.sup..alpha. -lower alkyl-Phe, or a salt thereof, process for preparing the peptide and psychodepressant composition containing the peptide. The peptides of the invention are useful as psychodepressant drug, and especially effective for curing schizophrenia.
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