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Electrophilic addition to 2-formyl-2,5-dialkoxy-2, 3-dihydro-γ-pyrans
Authors:N. A. Keiko  L. G. Stepanova  I. D. Kalikhman  G. I. Kirillova  M. G. Voronkov
Affiliation:1. Irkutsk Institute of Organic Chemistry, Siberian Branch of the Academy of Sciences of the USSR, USSR
Abstract:It is shown that polarization of the endocyclic double bond in the electrophilic addition of alcohols and water to 2-formyl-2,5-dialkoxy-2,3-dihydro-γ-pyrans is directed toward the carbon atom in the 6 position.
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