Stereoselective syntheses of alkenyl substituted 1, 3-dioxolanes or 4, 7-dihydro-1, 3-dioxepins or an (E)-. alpha.,. beta.-unsaturated aldehyde from (Z)-2-butene-1, 4- …
G Zweifel, T Leung, MR Najafi…
文献索引：Zweifel, George; Leung, Teresa; Najafi, M. Ramin; Najdi, Samir Journal of Organic Chemistry, 1985 , vol. 50, # 11 p. 2004 - 2006
Summary: Treatment of (Z)-2-butene-1, 4-diols with boron trifluoride etherate in acetone solvent affords stereodefined alkenyl-substituted 1, 3-dioxolanes or 4, 7-dihydro-1, 3- dioxepins or an (E)-a,@-unsaturated aldehyde, depending on the reaction temperature and time.
