Patent ID: 7476740
Filing Date: 2009-01-13
Classification: A61K,A61P,C07D,G01N

Abstract:
1. A compound having the formula: Where: the 2-, 3-, 6-, or 7- positions are α or β; the compounds are racemic or 1R- or 1S- configured; X=O, NR L is a linking moiety comprising a chain of atoms containing 2 to about 6 carbon atoms; Ch is a tridentate or tetradentate chelating ligand that forms a neutral complex with technetium or rhenium; Ar=Phenyl or 1-naphthyl or 2-naphthyl, unsubstituted or substituted with one or more group selected from: —H; —Br; —CI; —I; —F; —OH; —CH W or X W R R R Q=K R R R R COCH R n=0-4; m=0-4; and Z=F, CI, I or Br;