Abstract
Diastereoisomeric couples of (1R,5R,6RS)-2,6-dimethyl-7-oxabicyclo[3.2.1]oct-2-en-6-ylmethanols and their epoxide precursors, (5R,2′RS)-2-methyl-5-(2-methyloxiran-2-yl)cyclohex-2-en-1-ols, in the presence of triethylsilyl trifluoromethanesulfonate underwent [3.2.1]→[3.3.1] skeletal rearrangement with formation of scalemic mixtures of (1R,5R,6R)- and (1R,5R,6S)-2,6-dimethyl-6-triethylsiloxy-8-oxabicyclo[3.3.1]non-2-enes; the (6R)-stereoisomer was isolated as individual substance.
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Original Russian Text © S.A. Torosyan, F.A. Gimalova, A.A. Fatykhov, M.R. Talipov, R.F. Valeev, M.S. Miftakhov, 2011, published in Zhurnal Organicheskoi Khimii, 2011, Vol. 47, No. 7, pp. 975–979.
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Torosyan, S.A., Gimalova, F.A., Fatykhov, A.A. et al. Skeletal rearrangements of cis-(-)-7,8-epoxycarveol derivatives promoted by triethylsilyl trifluoromethanesulfonate. Russ J Org Chem 47, 989–993 (2011). https://doi.org/10.1134/S1070428011070049
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DOI: https://doi.org/10.1134/S1070428011070049