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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The results are rationalized in terms of the formation of acylated intermediate cations and schematic representation is provided. Previous Article Next Article.
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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 NJC: In all cases the Ref. 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.
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Dienone – Wikipedia
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 as solvent is the subject of a kinetic study. If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using Copyright Clearance Center.
If the material has been adapted instead of reproduced from the original RSC publication “Reproduced from” can be substituted with “Adapted from”. The effects of sulphuric and acetic acids are also investigated. dlenone