A New Heterometallic [Al III- Bu2SnIV-Bl III]-M-oxoisopropoxide and its Derivatives With B-Diketones: Synthetic, Spectral and Elemental Studies
Rajesh Kumar
Porob Roshan Atma Ram
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Abstract
New heterometallic derivative [AlIII
- Bu2SnIV
- B
III ] - ? – oxoisopropoxide has been prepared by the thermal
condensation of compound Bu2SnIV
- B
III
- ? - oxoisopropoxyacetate (OAc) Bu2SnOB(OPri
)2 with Al(OPri
)3 in 1:1
molar ratio in xylene with continuous liberation of isopropyl acetate formed during the course of reaction. The
Bu2SnIV
- B
III
- ? - oxoisopropoxyacetate was synthesized by reaction of tin diacetate with triisopropyl borate in
1:1 molar ratio in toluene. The reaction of ?-oxoisopropoxide with ?-diketones (HL) in 1:1 and 1:2 molar ratios
yielded Bu2SnO2AlB(OPri
)3L, and Bu2SnO2AlB(OPri
)2L2 respectively. (where L = acetylacetonate/
benzoylacetonate/p-bromo benzoylacetonate anion) respectively. The ?-oxoisopropoxide compound has been
characterized by elemental and spectral (IR, 1H , 13C, 27Al, 119Sn, 11B NMR). The ?- diketonates of
[Bu2SnO2AlB(OPri
)4] have been characterized by elemental, liberated isopropanol and spectral analysis (IR, 1H
,
13C & 27Al NMR).
Keywords: Tin; Aluminium; Boron; alkoxides; β-diketones
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