Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion
A series of Schiff base derivatives, namely <i>N</i>-(4-methoxyphenyl)-1-(1-methylbenzimidazol-2-yl)methanimine (L<sup>1</sup>), 4-methoxy-<i>N</i>-[(1-methylbenzimidazol-2-yl)methyl]aniline (L<sup>2</sup>), and 2-[(<i>E</i>)-(1-propylbenzi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-09-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/13/10/1449 |
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| author | Svetlana E. Nikiforova Nadezhda A. Khan Alexey S. Kubasov Yurii V. Koshchienko Anatolii S. Burlov Lyudmila N. Divaeva Lyudmila V. Goeva Varvara V. Avdeeva Elena A. Malinina Nikolay T. Kuznetsov |
| author_facet | Svetlana E. Nikiforova Nadezhda A. Khan Alexey S. Kubasov Yurii V. Koshchienko Anatolii S. Burlov Lyudmila N. Divaeva Lyudmila V. Goeva Varvara V. Avdeeva Elena A. Malinina Nikolay T. Kuznetsov |
| author_sort | Svetlana E. Nikiforova |
| collection | DOAJ |
| description | A series of Schiff base derivatives, namely <i>N</i>-(4-methoxyphenyl)-1-(1-methylbenzimidazol-2-yl)methanimine (L<sup>1</sup>), 4-methoxy-<i>N</i>-[(1-methylbenzimidazol-2-yl)methyl]aniline (L<sup>2</sup>), and 2-[(<i>E</i>)-(1-propylbenzimidazol-2-yl)iminomethyl]phenol (L<sup>3</sup>), were synthesized. These compounds feature different linker groups, including –CH=N–, –CH<sub>2</sub>–NH–, and –N=CH–, respectively. During the process of zinc(II) and cadmium(II) complexation in the presence of the <i>closo</i>-dodecaborate [B<sub>12</sub>H<sub>12</sub>]<sup>2–</sup> anion, it was observed that ligand L<sup>3</sup> underwent degradation. Consequently, two compounds were isolated, [Zn(Bz-NH<sub>2</sub>)<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub>] and (HBz-NH<sub>2</sub>)<sub>2</sub>[B<sub>12</sub>H<sub>12</sub>]∙2CH<sub>3</sub>CN, both containing 1-propyl-2-aminobenzimidazole (Bz-NH<sub>2</sub>), which is a degraded fragment of the ligand. Several new zinc(II) and cadmium(II) coordination compounds were synthesized and characterized using various physicochemical analysis methods, including elemental analysis, IR, and UV spectroscopy. Additionally, X-ray diffraction and Hirshfeld surface analysis were performed for compounds [Cd(L<sup>2</sup>)<sub>2</sub>(CH<sub>3</sub>CN)(H<sub>2</sub>O)][B<sub>12</sub>H<sub>12</sub>], [Zn(Bz-NH<sub>2</sub>)<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub>], and (HBz-NH<sub>2</sub>)<sub>2</sub>[B<sub>12</sub>H<sub>12</sub>]∙2CH<sub>3</sub>CN, as well as for ligand L<sup>2</sup>. |
| first_indexed | 2024-03-10T21:20:13Z |
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| institution | Directory Open Access Journal |
| issn | 2073-4352 |
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| last_indexed | 2024-03-10T21:20:13Z |
| publishDate | 2023-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-faefc9f762314807a2cfe38b3fb505042023-11-19T16:09:23ZengMDPI AGCrystals2073-43522023-09-011310144910.3390/cryst13101449Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate AnionSvetlana E. Nikiforova0Nadezhda A. Khan1Alexey S. Kubasov2Yurii V. Koshchienko3Anatolii S. Burlov4Lyudmila N. Divaeva5Lyudmila V. Goeva6Varvara V. Avdeeva7Elena A. Malinina8Nikolay T. Kuznetsov9Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaInstitute of Physical and Organic Chemistry, Southern Federal University, pr. Stachki 194/2, Rostov-on-Don 344090, RussiaInstitute of Physical and Organic Chemistry, Southern Federal University, pr. Stachki 194/2, Rostov-on-Don 344090, RussiaInstitute of Physical and Organic Chemistry, Southern Federal University, pr. Stachki 194/2, Rostov-on-Don 344090, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaKurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119991, RussiaA series of Schiff base derivatives, namely <i>N</i>-(4-methoxyphenyl)-1-(1-methylbenzimidazol-2-yl)methanimine (L<sup>1</sup>), 4-methoxy-<i>N</i>-[(1-methylbenzimidazol-2-yl)methyl]aniline (L<sup>2</sup>), and 2-[(<i>E</i>)-(1-propylbenzimidazol-2-yl)iminomethyl]phenol (L<sup>3</sup>), were synthesized. These compounds feature different linker groups, including –CH=N–, –CH<sub>2</sub>–NH–, and –N=CH–, respectively. During the process of zinc(II) and cadmium(II) complexation in the presence of the <i>closo</i>-dodecaborate [B<sub>12</sub>H<sub>12</sub>]<sup>2–</sup> anion, it was observed that ligand L<sup>3</sup> underwent degradation. Consequently, two compounds were isolated, [Zn(Bz-NH<sub>2</sub>)<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub>] and (HBz-NH<sub>2</sub>)<sub>2</sub>[B<sub>12</sub>H<sub>12</sub>]∙2CH<sub>3</sub>CN, both containing 1-propyl-2-aminobenzimidazole (Bz-NH<sub>2</sub>), which is a degraded fragment of the ligand. Several new zinc(II) and cadmium(II) coordination compounds were synthesized and characterized using various physicochemical analysis methods, including elemental analysis, IR, and UV spectroscopy. Additionally, X-ray diffraction and Hirshfeld surface analysis were performed for compounds [Cd(L<sup>2</sup>)<sub>2</sub>(CH<sub>3</sub>CN)(H<sub>2</sub>O)][B<sub>12</sub>H<sub>12</sub>], [Zn(Bz-NH<sub>2</sub>)<sub>2</sub>(CH<sub>3</sub>COO)<sub>2</sub>], and (HBz-NH<sub>2</sub>)<sub>2</sub>[B<sub>12</sub>H<sub>12</sub>]∙2CH<sub>3</sub>CN, as well as for ligand L<sup>2</sup>.https://www.mdpi.com/2073-4352/13/10/1449X-ray diffractionbenzimidazole derivativeszinc(II)cadmium(II)Hirshfeld surface analysis |
| spellingShingle | Svetlana E. Nikiforova Nadezhda A. Khan Alexey S. Kubasov Yurii V. Koshchienko Anatolii S. Burlov Lyudmila N. Divaeva Lyudmila V. Goeva Varvara V. Avdeeva Elena A. Malinina Nikolay T. Kuznetsov Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion Crystals X-ray diffraction benzimidazole derivatives zinc(II) cadmium(II) Hirshfeld surface analysis |
| title | Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion |
| title_full | Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion |
| title_fullStr | Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion |
| title_full_unstemmed | Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion |
| title_short | Schiff Base Derivatives in Zinc(II) and Cadmium(II) Complexation with the <i>closo</i>-Dodecaborate Anion |
| title_sort | schiff base derivatives in zinc ii and cadmium ii complexation with the i closo i dodecaborate anion |
| topic | X-ray diffraction benzimidazole derivatives zinc(II) cadmium(II) Hirshfeld surface analysis |
| url | https://www.mdpi.com/2073-4352/13/10/1449 |
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