Tyrosine derivatives

Details Tyrosine derivatives Tyrosine derivatives

1998-05-29

2000-07-25

Russel, Jeffrey E.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Peptide containing doai

514365, 548200, 548201, A61K 31425, A61K 3805, C07D27706, C07K 5078

Patent

active

060936967

ABSTRACT:
Tyrosine derivatives of formula (1) are described: ##STR1## in which R is (1) a group R.sup.1 X.sup.1 -- where R.sup.1 is an optionally substituted alkyl or aromatic group, and X.sup.1 is a covalent bond or a --(CH.sub.2).sub.n -- [where n is an integer 1 or 2], --C(O)--, --CH.sub.2 C(O)--, --NHC(O)--, --CH.sub.2 NHC(O)--, or --SO.sub.2 -- group, or (2) a group (Hal.sup.1).sub.3 CSO.sub.2 --, where Hal.sup.1 is a fluorine or chlorine atom;

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