Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 17, Pages 3508-3512Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.200400062
Keywords
aluminum; catalysis; chalcogens; phosphanes; reaction mechanisms
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Addition of catalytic amounts of a phosphane to a reaction mixture containing LAlH2 [2; L = HC{C(Me)N(Ar)}(2), Ar = 2,6-iPr(2)C(6)H(3)] and elemental Se or Te resulted in the formation of poorly soluble [LAl(mu-Se)(2)AiL] (3) and [LAl(mu-Te)(2)AlL] (4), respectively. The sulfur analogue [LAl(mu-S)(2)AlL] (5) could not be obtained from the direct reaction of 2 with elemental sulfur; consequently, its synthesis was successfully achieved from the reaction of [LAlH2] and [LAl(SH)(2)]. A possible mechanism for the formation of [LAl(mu-Se)(2)AlL] and [LAl(mu-Te)(2)AlL] is discussed. The molecular structures of compounds 3-5 were determined by X-ray structure analyses. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004).
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