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Crystal Structures of (2-oxo-2H-Quinaxalin-1-yl)-acetic Acid and its Cobalt and Nickel Complexes and Their Comparison with (1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-acetic Acid

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Abstract

The crystal structures of (2-oxo-2H-quinaxalin-1-yl)-acetic acid and its cobalt and nickel complexes are determined. The (2-oxo-2H-quinaxalin-1-yl)-acetic acid (1) crystallizes in orthorhombic, Pbca, a = 12.8571(11) Å, b = 9.4267(8) Å, c = 15.0095(13) Å, the cobalt complex of (2-oxo-2H-quinaxalin-1-yl)-acetic acid (2) crystallizes as dihydrate in triclinic, P-1 space group with a = 4.81150(10) Å, b = 11.8631(2) Å, c = 12.4867(3) Å, α = 71.7800(10)°, β = 79.2490(10)°, γ = 84.9020(10)° whereas the nickel complex of (2-oxo-2H-quinaxalin-1-yl)-acetic acid (3) crystallizes in monoclinic, P21/c space group with a = 14.9210(5) Å, b = 4.81730(10) Å, c = 15.7672(5) Å. and β = 99.823(2)°. The crystal structure of the ligand and the complexes are compared with structures of (1,3-dioxo-1,3-dihydro-isoindol-2-yl)-acetic acid and its cobalt and nickel complexes.

Index Abstract

The crystal structures of (2-oxo-2H-quinaxalin-1-yl)-acetic acid and its nickel and cobalt complexes are compared with (1,3-dioxo-1,3-dihydro-isoindol-2-yl)-acetic acid and its corresponding complexes with nickel(II) and cobalt(II).

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Acknowledgement

The authors thank Department of Science and Technology, New-Delhi for financial assistance.

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  1. Department of Chemistry, Indian Institute of Technology, Guwahati, 781 039, India

    Anirban Karmakar & Jubaraj B. Baruah

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  1. Anirban Karmakar
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  2. Jubaraj B. Baruah
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Correspondence to Jubaraj B. Baruah.

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Karmakar, A., Baruah, J.B. Crystal Structures of (2-oxo-2H-Quinaxalin-1-yl)-acetic Acid and its Cobalt and Nickel Complexes and Their Comparison with (1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-acetic Acid. J Chem Crystallogr 38, 485–489 (2008). https://doi.org/10.1007/s10870-008-9384-0

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  • DOI: https://doi.org/10.1007/s10870-008-9384-0

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