A general synthesis of both acridines and acridinium ions is descried from inexpensive and commercially available aliphatic starting materials using iron as catalyst and aerobic oxygen as oxidant in alcoholic solvent to produce water as only by product.
Quinolin-2(1H)-ones are prevalent in natural products and pharmacologically useful compounds. Here we present an unconventional and hitherto unknown photocatalytic approach to their synthesis from easily available quinoline-N-oxides.
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