DIENONE PHENOL REARRANGEMENT PDF

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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Dienone-phenol rearrangement

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Dienone – Wikipedia

Dienoje 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. Fetching data from CrossRef.

Back to tab navigation. For reproduction of material from NJC: The results are rationalized in terms rearrangdment the formation of acylated intermediate cations and schematic representation is provided.

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The effects of sulphuric and acetic acids are also investigated. Dienone—phenol rearrangement of 8,8-dimethyl- and 6,8,8-trimethyl-naphthalene-1,4,5 8 H -triones 1 and 2 in acetic anhydride dienkne solvent is the subject of a kinetic study. Go to our Instructions for using Copyright Clearance Center page for details.

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Both substrates show limiting [H 2 SO 4 ] dependence and an inhibiting effect with acetic acid. Back to tab navigation Fetching data from CrossRef. For reproduction of material from PPS: 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.