Preparation of donor-acceptor-substituted vinylcyclobutanes

2‐Methylen‐1,3‐dioxolane (1) and the methyl acrylates or crotonates 2 form [2+2] cycloadducts 3 which are reduced to give alcohols 6. Oxidation of these alcohols at low temperatures leads to unstable aldehydes 7, which either rearrange to dihydropyrans 5 or react with Wittig(‐Horner) reagents to aff...

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Veröffentlicht in:	Chemische Berichte 1990-09, Vol.123 (9), p.1905-1909
Hauptverfasser:	Gruseck, Ursula, Heuschmann, Manfred
Format:	Artikel
Sprache:	eng
Schlagworte:	[2+2] Cycloaddition Chemistry conformational analysis of Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with o, s, se, te hetero atom and condensed derivatives Organic chemistry Preparations and properties Vinylcyclobutanes Vinylcyclobutanes, conformational analysis of Wittig reaction Wittig-Horner reaction
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