Tetrahedron Letters

Synthesis of 2-substituted quinones, vitamin K 3, and vitamin K 1 from p-cresol. BF 3· OEt 2-catalyzed methyl migration of 4-tert-butyldioxycyclohexadienones

SI Murahashi, A Fujii, Y Inubushi, N Komiya

Index: Murahashi, Shun-Ichi; Fujii, Akiko; Inubushi, Yasutaka; Komiya, Naruyoshi Tetrahedron Letters, 2010 , vol. 51, # 17 p. 2339 - 2341

Full Text: HTML

Citation Number: 13

Abstract

BF3· OEt2-catalyzed methyl group migration of 4-methyl-4-tert-butyldioxycyclohexadienone, which is obtained by ruthenium-catalyzed oxidation of p-cresol with tert-butyl hydroperoxide, in hexafluoro-2-propanol/toluene gave toluquinone efficiently. The reaction can be ...