Experiments on the synthesis of tetracycline. Part XIV. Closure of ring B by base-catalysed photocyclisation.
D002384:Catalysis; D003500:Cyclization; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010777:Photochemistry; D013752:Tetracycline / Q000138:chemical synthesis*
D013752:Tetracycline