p -Amidobenzylethers in drug delivery agents

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C530S331000, C514S018700, C514S717000

Reexamination Certificate

active

07091186

ABSTRACT:
Compounds of the formulaein-line-formulae description="In-line Formulae" end="lead"?LAn-Z-X—WwD and BZ-X—WwDin-line-formulae description="In-line Formulae" end="tail"?wherein: D is a drug moiety; L is a ligand; B is a blocking group; A is an optional acyl unit; Z is an amino acid or a peptide residue; X is an aminobenzyl ether self-immolative spacer group; W is an optional second self-immolative group; n is an integer of 0 or 1; and w is an integer of 0 or 1, and compositions of said compounds with pharmaceutically acceptable carrier, diluent and/or excipient, and methods of delivery the drug D via the compounds.

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