Abstract:
Process for the production of iron complexes of tetraazaannulenes starting from isoxazole, o-phenylene diamines and iron compounds. The process yields the iron complexes in good yields and a state of high catalytic activity for oxidation processes.
Abstract:
PRODUCTION OF HIGHLY CONCENTRATED STABLE STOCK SOLUTIONS CONTAINING 1:2 METAL COMPLEX DYES IN A SINGLE STEP REACTION COMPRISING CONTACTING THE CORRESPONDING AZO DYES IN OXYGEN CONTAINING WATER-MISCIBLE SOLVENTS WITH A METALLIZING AGENT. THE DYE SOLUTIONS ARE USEFUL FOR DYEING NATURAL OR SYNTHETIC POLYAMIDES.