Complexes of thiophene-2,3-dicarboxaldehyde bis(oxime) (2,3BTCOH2) with nickel(II) and copper(II): Synthesis, characterization, crystal structure of 2,3BTCOH2. Rearrangement reaction with nickel(II) bromide
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Add time:09/09/2019 Source:sciencedirect.com
Reacting with nickel(II) chloride, copper(II) chloride and bromide, thiophene-2,3-dicarboxaldehyde bis(oxime) (2,3BTCOH2) leads to metal complexes formulated as [NiCl2(2,3BTCOH2)], [CuCl2(2,3BTCOH2)] and [CuBr(2,3BTCOH)]2 respectively. In the case of nickel(II) bromide, we have observed the rearrangement of 2,3BTCOH2 into 2-acetamido-3-thiophene carboxaldoxime (ACTOH) instead of the expected complex. The crystal structures of 2,3BTCOH2 and ACTOH have been determined by X-ray diffraction methods and all other structures are proposed using usual spectroscopic techniques.
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