Über den sterischen Verlauf von Dien‐Synthesen mit acyclischen Dienen. Vergleich der Additionen von trans,trans‐Muconsäure‐dimethylester und von Δ1,3‐Cyclohexadien an Maleinsäure‐anhydrid

Alder, Kurt; Vagt, Hannfried

doi:10.1002/jlac.19515710206

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B Retention Of Configuration Of Diene Substituents1

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1951

1967

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Cited by 9 publications

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“…Indene reacts with maleic anhydride via a quinodimethylene tautomer to yield the endo adduct (XXXIII) (27). 1,3-Cyclohexadiene gives a totally endo adduct with maleic anhydride (46, 53) and a 10:1 ratio of endo to exo adducts with ethyl acrylate ( 106), but only a 1:1 mixture with the poorly orienting acrylonitrile (22). The 1,3-cyclohexadiene systems in -terpinene (XXXIV) (142) and levopimaric acid (XXXV) (66,259) both give endo adducts with XXXIV maleic anhydride, as does the bicyclooctadiene tautomer (XXXVI) of cyclooctatetraene and several of its derivatives (71,243).…”

Section: B Retention Of Configuration Of Diene Substituentsmentioning

confidence: 99%