Gem-diamino derivatives and their use in the synthesis of retro-inverso peptides
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United States of America Patent
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Jun 15, 1993
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N/A
app pub date -
Feb 21, 1990
filing date -
Feb 22, 1989
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Expired
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Abstract
This invention relates to new gem-diamino derivatives of general formula (I) ##STR1## where R is the side chain of an amino acid, of which any functional groups are suitably protected, and X is an acyl group chosen from the group consisting of 2-nitrobenzoyl, 4-chloro-butyryl, acetoacetyl, 4-bromo-butyryl, (2-nitrophenoxy)-acetyl and 2-methyl-2-(2'-nitro-phenoxy)propionyl, of use in introducing gem-diamino residues into retro-inverso peptides. The invention further relates to a method for the synthesis of retro-inverso peptides in which the gem-diamino residue or residues are introduced using the new compound (I).
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