Indan derivatives Q 1050Palladium-Catalyzed Pathways to Aryl-Substituted Indenes: Efficient Synthesis of Ligands and the Respective ansa-Zirconocenes. -A detailed study into synthetic methodology towards aryl-substituted indenes and cyclopenta[b]thiophenes is presented. Addressed fields are the preparation of halogenated indene derivatives, their arylation based on Suzuki-Miyaura, Negishi and Murahashi protocols and the synthesis of chiral ansa-zirconocenes. The latter are required for studies on structure-activity relationship of Brintzinger-type olefin polymerization catalysts. -(IZMER, V. V.; LEBEDEV, A. Y.; NIKULIN, M. V.; RYABOV, A. N.; ASACHENKO, A. F.; LYGIN, A. V.; SOROKIN, D. A.; VOSKOBOYNIKOV*, A. Z.; Organometallics 25 (2006) 5, 1217-1229; Dep. Chem., Lomonosov Moscow State Univ., Moscow 119899, Russia; Eng.) -Nuesgen 24-100
[a]naphthalene: Synthesis and Reactivity. -A new, simple and efficient approach to otherwise not easily accessible 8-methoxycyclopentanaphthalenes of types (III) is developed. The behavior of compound (III) and some of its derivatives in hydrolytic ether cleavage, oxidation and bromination reactions is studied. -(ASACHENKO, A. F.; IZMER, V. V.; BABKIN, A. V.; BELETSKAYA, I. P.; VOSKOBOYNIKOV*,
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