On phenanthrene-4, 5-quinones: a synthesis of morphenol

FR Hewgill, JM Stewart

Index: Hewgill, Frank R.; Stewart, Jeffery M. Journal of the Chemical Society, Chemical Communications, 1984 , # 21 p. 1419 - 1420

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Abstract

1, 3, 6, 8-Tetra-t-butyphenanthrene-4, 5-quinone (10) has been prepared as a short-lived species in solution, and rapidly rearranges to a dienone (12) which on debutylation yields morphenol (14): the corresponding 9, 10-dihydroquinone (6) crystallises as its oxepine valence isomer (7).