I Will appreciate your help with the article below, form the old Russian JOC.
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Mozhaeva, T. Ya.; Lezina, V. P.; Savel’ev, V. L.; Knyazev, V. N.; Drozd, V. N. J. Org. Chem. USSR (Engl. Transl.) 1991, 27, 163–169; Z. Org. Khim. 1991, 27, 185–191.
Very Thankful!!!