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Novel multitopic diphos-type ligands


Kunz, P C; Wetzel, C; Bongartz, M; Noffke, A L; Spingler, B (2010). Novel multitopic diphos-type ligands. Journal of Organometallic Chemistry, 695(15-16):1891-1897.

Abstract

Seven novel imidazole and thiazole derivatives of diphos-type ligands are presented. They are of the general structure R2P(CH2)(2)PR2, where R is imidazol-2-yl (1), 1-methylimidazol-2-yl (2), 1-methyl-benzimidazol-2-yl (3), 1-methylimidazol-5-yl (4), 2-isopropylimidazol-4(5)-yl (5), thiazol-2-yl (6), benzothiazol-2-yl (7), thiazol-4-yl (8) or thiazol-5-yl (9). Syntheses involved direct metallation or halogen-metal exchange reactions. Their solubility, especially in aqueous solution, is strongly dependent on the nature of the substituents as is their partition coefficient log D. The crystal structures of compounds 2, 3, 7a and 9 as well as the structure of the rhodium complex (2)(2)Rh2Cl2]Cl-2 (10) have been determined. (C) 2010 Elsevier B. V. All rights reserved.

Seven novel imidazole and thiazole derivatives of diphos-type ligands are presented. They are of the general structure R2P(CH2)(2)PR2, where R is imidazol-2-yl (1), 1-methylimidazol-2-yl (2), 1-methyl-benzimidazol-2-yl (3), 1-methylimidazol-5-yl (4), 2-isopropylimidazol-4(5)-yl (5), thiazol-2-yl (6), benzothiazol-2-yl (7), thiazol-4-yl (8) or thiazol-5-yl (9). Syntheses involved direct metallation or halogen-metal exchange reactions. Their solubility, especially in aqueous solution, is strongly dependent on the nature of the substituents as is their partition coefficient log D. The crystal structures of compounds 2, 3, 7a and 9 as well as the structure of the rhodium complex (2)(2)Rh2Cl2]Cl-2 (10) have been determined. (C) 2010 Elsevier B. V. All rights reserved.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Uncontrolled Keywords:Phosphane ligands; Nitrogen heterocycles; Imidazoles; Thiazoles
Language:English
Date:2010
Deposited On:08 Feb 2011 14:04
Last Modified:05 Apr 2016 14:44
Publisher:Elsevier
ISSN:0022-328X
Publisher DOI:10.1016/j.jorganchem.2010.04.028
Other Identification Number:ISI:000279590700010
Permanent URL: http://doi.org/10.5167/uzh-44990

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