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-diols
Effect of a proximal oxygen substituent on the efficacy of ruthenium-catalyzed cross-metathesis and RCM
作者:Tarun K Maishal、Dilip K Sinha-Mahapatra、Kavita Paranjape、Amitabha Sarkar
DOI:10.1016/s0040-4039(02)00111-9
日期:2002.3
Ruthenium-catalyzed cross-metathesis of various derivatives of 1,2-dihydroxy-3-butene reveals that cyclic acetals are best suited as substrates compared to acyclic diethers or diacetates, while RCM is relatively insensitive to the presence of allylic or homoallylic hydroxy or acetoxy groups. (C) 2002 Elsevier Science Ltd. All rights reserved.
ZWEIFEL, G.;LEUNG, T.;NAJAFI, M. R.;NAJDI, S., J. ORG. CHEM., 1985, 50, N 11, 2004-2006