Stereoselective [2π+4π]-Type Addition Reactions of Benzocyclobutadiene with 2-Substituted Tropones and 8, 8-Dicyanoheptafulvene

Thermal addition reactions of 2-substituted tropones and 8, 8-dicyanoheptafulvene with benzocyclobutadiene proceeded stereoselectively to produce endo-[2π+4π]-type cyclo adducts, where the troponoid compounds acted as 4π components. Molecular orbital calculations were employed to explain the selecti...

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Veröffentlicht in:	Chemical & pharmaceutical bulletin 1992/10/25, Vol.40(10), pp.2831-2833
Hauptverfasser:	SAITO, Katsuhiro, WATANABE, Hiroyuki, TAKAHASHI, Kensuke
Format:	Artikel
Sprache:	eng
Schlagworte:	2-substituted tropone 8, 8-dicyanoheptafulvene [2π+4π]-type cycloaddition Alicyclic compounds Alicyclic compounds, terpenoids, prostaglandins, steroids benzocyclobutadiene Chemistry Exact sciences and technology Organic chemistry Preparations and properties stereoselective
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Beschreibung
Zusammenfassung:	Thermal addition reactions of 2-substituted tropones and 8, 8-dicyanoheptafulvene with benzocyclobutadiene proceeded stereoselectively to produce endo-[2π+4π]-type cyclo adducts, where the troponoid compounds acted as 4π components. Molecular orbital calculations were employed to explain the selectivity.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.40.2831