The influence of the styrene substituents in the inverse-electron Diels-Alder cycloaddition reaction is discussed. -(BILGIC*, S.; BILGIC, O.; BUEYUEKKIDAN, B.; GUENDUEZ, M.; J. Chem. Res. 2007, 2, 76-79; Dep. Chem., Fac. Arts Sci., Univ. Osmangazi, TR-26480 Eskisehir, Turk.; Eng.) -H. Haber

In this reactions, no dimeric by-products of the naphthol Mannich bases (IV) and (VII) are formed. -(BUEYUEKKIDAN*, B.; CEYLAN, M.; J. Chem. Res., Synop. 2003, 11, 749-751; Dep. Chem., Fac. Sci., Dumlupinar Univ., TR-43210 Kuetahya, Turk.; Eng.) -C. Oppel 23-155

Synthesis of Some Chromans via o-Quinone-Methide Intermediates. -Inverse electron demand Diels-Alder reaction of quinone-methide derived from Mannich bases (I) with styrenes affords substituted chromans (III) (8 examples) in moderate yields. -(BUEYUEKKIDAN, B.; BILGIC, S.; BILGIC, O.; Synth.