Producción Científica Profesorado

Synthesis and Structures of some Lithium and Sodium (Aminoalcoholato)hydrido Aluminates



Rojas Lima, Susana

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.



Producto de Investigación




Artículos relacionados

Addition reaction of benzylbenzylidenenamine to lithium enolates of1,3-dioxolan-4-one: synthesis of ...

Diastereoselective Synthesis of Spiro-?-lactams via Staudinger Reactio

Structure-Activity Relationships for Inhibition of Cysteine Protease Activity and Development of Pla...

Synthesis and Study of Monomeric and Dimeric Boronates by Spectroscopic Methods and X-ray Crystallog...

Phenylmethyl 2,3,4-tri-O-acetyl--D-fucopyranoside

An efficient potassium cyanide-promoted synthesis of 2-arylbenzoxazoles from [4.3.0]boron heterobicy...

Furocoumarins of three species of the genus Dorstenia

Facile synthesis of 1,3,6-oxadiazepines from 2,2?-(1,2-ethanediyldiimino)bisphenols

Study of the reactivity of squarylferrocenes. Addition of amines and aminoesters

Ylidaddukte der Penteltrichloride