- Formation and reactivity of 2-styryl-1,4-benzoquinones
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The 2-styryl-1,4-benzoquinones 7a,b, generated by the oxidation of the corresponding hydroquinones 6a,b, dimerize at room temperature in a Diels-Alder reaction. The strictly chemo-, regio- and stereoselective process can be rationalized by means of frontier orbital interactions. The polycyclic adducts 8a,b undergo a further intramolecular cycloaddition (8a,b → 10a,b) after oxidation on silica gel.
- Brehm, Isabella,Meier, Herbert
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- Synthesis and photo-physical properties of methoxy-substituted π-conjugated-2,2′-bipyridines
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4,4′-Bis-vinyl-2,2′ bipyridines have been known in the area of materials chemistry since last few decades. Bipyridine molecules bearing donor substituents in their π backbone are examples of 'push-pull' molecules. Emissive properties of such ligands depen
- Chatterjee, Tanmay,Sarma, Monima,Das, Samar K.
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supporting information; experimental part
p. 1985 - 1988
(2010/06/21)
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