DIENONE PHENOL REARRANGEMENT PDF

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Re2O7 Catalyzed Dienone-Phenol Rearrangement. Zilei Xia,a,b,ǁ Jiadong Hu,a, b,ǁ Zhigao Shen,a,b Qizheng Yao*,a and Weiqing Xie*,b,c a Department of. Dienone–phenol rearrangement of 8,8-dimethyl- and 6,8,8-trimethyl-naphthalene -1,4,5(8H)-triones (1) and (2) in acetic anhydride as solvent is the subject of a. The experiment is based on the dienone-phenol rearrangement reaction of the sesquiterpene santonin to give -desmotroposantonin acetate. It challenges.

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Both substrates show limiting [H 2 SO 4 ] dependence and an inhibiting effect with acetic acid. For reproduction of material from PPS: Journal of the Chemical Society, Perkin Transactions 2. The effects of sulphuric and acetic acids are also investigated.

Dienone – Wikipedia

The results are rationalized in terms of the formation of acylated intermediate cations and schematic representation is provided. You do not have JavaScript enabled. Dienone—phenol rearrangement mechanism of 8,8-dimethyl- and 6,8,8-trimethyl-naphthalene-1,4,5 8 H -triones in acetic anhydride solution C.

Duenone rearrangement of 8,8-dimethyl- and 6,8,8-trimethyl-naphthalene-1,4,5 8 H -triones 1 and 2 in acetic anhydride as solvent is the subject of a kinetic study. XX is the XXth reference in the list of references.

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Back to tab navigation Download options Please wait For reproduction of material from NJC: Dienone—phenol rearrangement mechanism of 8,8-dimethyl- and 6,8,8-trimethyl-naphthalene-1,4,5 8 H -triones in acetic anhydride solution. The effect of temperature in the reaction of 1 and that of the C-6 methyl group of 2 are discussed.

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Dienone-phenol rearrangement

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