Process for preparing new thymopentin retro-inverso analogs and fragments thereof and the intermediates obtained therein

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United States of America Patent

PATENT NO 5200506
SERIAL NO

07648977

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Abstract

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New retro-inverso analogs of thymopentin (TP5) and of its tripeptide fragment (TP5.sup.1-3) of general formula (I) ##STR1## are described wherein R is hydrogen or an acyl radical, and R.sup.1 is --OR.sup.2 or ##STR2## wherein R.sup.2 is hydrogen or a hydrocarbyl radical, and the corresponding pharmaceutically acceptable acid- or base-addition salts. A process of preparing the tripeptide fragment of formula I is also described. The new compounds are enzyme-resistant immunomodulatory peptides.

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ENIRICERCHE S P AVIA F MARITANO 26 S DONATO MIL SE (MI)-

International Classification(s)

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  • 1991 Application Filing Year
  • A61K Class
  • 3434 Applications Filed
  • 1462 Patents Issued To-Date
  • 42.58 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220130255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sisto, Alessandro Rome, IT 15 125
Verdini, Antonio S Monterotondo, IT 34 276

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  • 1 Citation Count
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