Amide complexes

Details Amide complexes Amide complexes

C - Chemistry, Metallurgy

07

F

167/119, 260/426

C07F 5/00 (2006.01) A61K 49/06 (2006.01) A61K 51/00 (2006.01) A61K 51/04 (2006.01) C07C 237/22 (2006.01) C07D 211/22 (2006.01) C07D 265/32 (2006.01) C07D 265/33 (2006.01) C07D 295/18 (2006.01) C07D 295/185 (2006.01)

Patent

CA 1341289

Compounds of general Formula I (see formula I) wherein R3 is a saturated, unsaturated, straight- or branched-chain or cyclic aliphatic hydrocarbon residue of up to 16 carbon atoms or, if R4 is a hydrogen atom, a cycloalkyl group or an aryl or aralkyl group optionally substituted by one or several C1-C6-dialkylamino groups or by one or several C1-C6-alkoxy groups, R4 is a hydrogen atom, a saturated, unsaturated, straight- or branched-chain or cyclic hydrocarbon residue of up to 16 carbon atoms, or R3 and R4 jointly mean a saturated or unsaturated 5- or 6-membered ring optionally substituted or containing an O, S, N atom or oxo substituent, and Y is COOX or CONR3R4, are valuable complexing agents, complexes or complex salts, e.g., for use as NMR or X-ray diagnostic image- enhancement agents or radioactive diagnostic agents.

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