Patent ID: 11958871
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 5:
6. The compound according to claim 5, wherein R7 is represented by the following structure E:, wherein M is selected from Fe2+ and Fe3+ or is absent;
Rc and Rd are independently selected from —H, —CH3, —CH═CH2, —SO3H and —CH(OH)CH2OH; and
X is selected from a covalent bond, an alkylene, aralkylene, heteroalkylene, carbocyclene, heterocyclene, heteroarylene, heteroaralkylene, aminoalkylene, alkylamino and carbonyl-alkylamino group; wherein each of these may have up to 12 carbon atoms and up to 11 heteroatoms in the main chain, and may be substituted by one or more C1-6 alkyl group(s), C1-6 heteroalkyl group(s), C1-6 carbocyclyl group(s), C1-5 heterocyclyl group(s), C1-5 heteroaryl group(s), halogen atom(s), hydroxyl group(s), cyano group(s), primary, secondary or tertiary amino group(s), carboxyl group(s) and side chain(s) derived from proteinogenic or non-proteinogenic aminoacid(s).