2001
Heinrich Nöth, Andreas Schlegel and Susana Rojas-Lima. Synthesis and Structures of some Lithium and Sodium (Aminoalcoholato)hydrido Aluminates. Z. Anorg. Allg. Chem, 627, 1793-1800 (2001) . DOI: 10.1002/1521-3749(200108)627:8<1793::AID-ZAAC1793>3.0.CO;2-M
Abstract
LiAlH4 and NaAlH4 were allowed to react in a 1?:?1, 1?:?2 and 1?:?3 ratio with 2-dimethylaminoethanol, 1-dimethylamino-2-propanol, and ()-N-methylephedrine. Reactions in the 1?:?1 ratio leads to mixtures of M(AlH4n(OR?NMe2)n) in thf solution showing a temperature dependent composition. From the solutions obtained in a 1?:?2 or 1?:?3 ratio the following compounds were isolated as single crystals: (thf)NaAlH2? (OCH2CH2NMe2)2 (2), LiAlH2(OCHMeCH2NMe2)2 (3), LiAlH2(OCHPhCHMeNMe2)2 (4), LiAlH(OCH2CH2NMe2)3 (5), NaAlH(OCH2CH2NMe2)3 (6). All compounds are dimers in the solid state and their Al atoms are pentacoordinated. MHAl bridges were found only in the dihydridoaluminate 2.
Synthesis and Structures of some Lithium and Sodium (Aminoalcoholato)hydrido Aluminates
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