
Bulletin of the Chemical Society of Japan p. 2897 - 2908 (1988)
Update date:2022-07-29
Topics: Synthesis Ring Opening Acid-Catalyzed
Tsuge, Otohiko
Kanemasa, Shuji
Otsuka, Tatsuya
Suzuki, Toshiro
1-Alkenyl cyclopropyl ketones, when activated by cation-stabilizing substituents at the ring carbon or at the terminal carbon of the enone moiety, undergo polyphosphoric acid-catalyzed ring enlargement producing cyclopentanone or cyclohexenone derivatives
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