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Hydrogenated naphthalene derivatives Q 1010Reductive Cyclization of Morita-Baylis-Hillman Adducts. A Simple Approach Towards Substituted Hydrindanones and Decalones. -It is demonstrated that a connective synthesis of title compounds can be achieved by a two-step methodology involving a Morita-Baylis-Hillman condensation and an intramolecular reductive cyclization using lithium in liquid ammonia. Addition of isoprene at the end of the reaction is necessary to avoid formation of overreduced products. The utility of the method is shown by the preparation of decalones of type (VIII) and (IX), related to the middle core of the clerodane family. -(WASNAIRE, P.; WIAUX, M.; TOUILLAUX, R.; MARKO*, I. E.; Tetrahedron Lett. 47 (2006) 6, 985-989; Dep. Chim., Univ. Cathol. Louvain, B-1348 Louvain-la-Neuve, Belg.; Eng.) -Mais 19-082

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