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Molecules 2003, 8(12), 894-900; doi:10.3390/81200894
Article

Synthesis and Characterization of Benzo-15-Crown-5 Ethers with Appended N2O Schiff Bases

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Received: 14 July 2003 / Revised: 30 October 2003 / Accepted: 3 November 2003 / Published: 31 December 2003
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Abstract

New derivatives of benzo-15-crown-5 with flexible appended N2O unsymmetrical Schiff bases were prepared by a two step procedure which involves: (i) preparation of N2O Schiff bases by condensation of hydrazine with salicylaldehyde, 3-methoxysalicylaldehyde or 2-hydroxy-1-naphtaldehyde and (ii) reaction of the resulting NH2 functionalized compounds with 4’-formyl-benzo-15-crown-5.
Keywords: Schiff base ligands; crown ethers; hetero-binucleating ligands; hydrazine; salicylaldehyde Schiff base ligands; crown ethers; hetero-binucleating ligands; hydrazine; salicylaldehyde
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Sousa, C.; Freire, C.; De Castro, B. Synthesis and Characterization of Benzo-15-Crown-5 Ethers with Appended N2O Schiff Bases. Molecules 2003, 8, 894-900.

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