Synthesis and Structure of an Aluminum Bis(3-chloropentanedionate) Isopropoxide: [Al(μ-OiPr)(3-Clacac)2]2

Author:

Gupta Kiran1,Mayer Peter2,Pandey Ashutosh1

Affiliation:

1. Department of Chemistry, Motilal Nehru National Institute of Technology, Allahabad, 211004, India

2. Department of Chemistry and Biochemistry, University of Munich, Butenandtstr. 5–13, 81377 Munich, Germany

Abstract

1A [Al(OiPr)3]4 was reacted at ambient temperature with 3-chloropentanedione (3-ClacacH) in 1 : 1 molar ratio in toluene, to obtain the mono-substituted product. However, the bis-substituted dinuclear tetrakis(3-chloropentanedionato)-di-m-isopropoxy-dialuminum(III) [Al(μ-OiPr)(3-Clacac)2]2 () was isolated in 46% yield upon aging of the reaction mixture at −10 °C. The supernatant upon aging yielded a crop of tris-3-chloroacetylacetonate Al(3-Clacac)3·H2O (1) in 13% yield. Complexes 1A (monoclinic, space group P21/c with Z = 2) and 1(cubic, space group P43n with Z = 8) were characterized by elemental analyses, NMR and IR spectroscopy and single-crystal X-ray crystallography.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

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