Reaction of cyclic acid anhydrides with ethyl cyanoacetate.
D000085:Acetates; D000812:Anhydrides / Q000138:chemical synthesis*; D002254:Carbonates; D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D005971:Glutamates; D009682:Magnetic Resonance Spectroscopy; D009570:Nitriles; D013752:Tetracycline
D000085:Acetates; D000812:Anhydrides; D002254:Carbonates; D005971:Glutamates; D009570:Nitriles; D013752:Tetracycline