Experiments on the synthesis of tetracycline. V. Photocyclisation of ring B.
D000080:Acetals / Q000528:radiation effects; D003500:Cyclization; D004988:Ethers, Cyclic; D005663:Furans; D007259:Infrared Rays; D009682:Magnetic Resonance Spectroscopy; D009279:Naphthacenes; D009281:Naphthalenes; D010777:Photochemistry; D010782:Photolysis; D011830:Radiation Effects; D013057:Spectrum Analysis; D013752:Tetracycline / Q000138:chemical synthesis*; D014466:Ultraviolet Rays
D000080:Acetals; D004988:Ethers, Cyclic; D005663:Furans; D009279:Naphthacenes; D009281:Naphthalenes; D013752:Tetracycline