Diels–Alder cycloaddition reactions of methyl 2-methylthiopenta-2,4-dienoate: a gem- captodative diene reacting as dienophile by its terminal double bond
作者:Jean-Luc Boucher、Lucien Stella
DOI:10.1039/c39890000187
日期:——
The captodativedienemethyl2-methylthiopenta-2,4-dienoate (1) reacts cleanly as a dienophile, at the less substituted double-bond, in Diels–Aldercycloadditionreactions with unactivated conjugated dienes.
Synthesis of dienes with 1,1-Captodative substitution
作者:N Stévenart-De Mesmaeker、R Merényi、H.G Viehe
DOI:10.1016/s0040-4039(00)96155-0
日期:1987.1
1,1-Captodative butadienes carrying amino, thioether or methoxy groups combined with nitrile and ester substituents were synthesized via a [3,2] sigmatropic rearrangement, an alkylation-halogenation-dehydrohalogenation sequence or via the Wittig-Horner reaction.