2-Ethoxy-5-alkyl-3, 4-dihydro-2H-pyrans in organic synthesis: a new convenient route to branched. delta.-ethoxy alcohols

R Menicagli, S Vecchiani, C Malanga…

Index: Menicagli, R.; Vecchiani, S.; Malanga, C.; Lardicci, L. Journal of Organic Chemistry, 1984 , vol. 49, # 2 p. 313 - 317

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Abstract

Compounds la-c were reacted with chlorine in ether at-20" C, and the reaction products were added to ethereal solutions of R'MgX (R'= Me, Et, Pri, But). The products were isolated from the reaction mixtures, and their structures were established by IR,'H and I3C NMR, 8 and mass spectra (see Experimental Section and