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The first metal complexes bearing ligated 3-iminoisoindolin-1-ones |
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| Authors: | Maximilian N. Kopylovich Vadim Yu. Kukushkin Matti Haukka |
| Affiliation: | a Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, TU Lisbon, Av. Rovisco Pais, 1049-001 Lisbon, Portugal b Department of Chemistry, St. Petersburg State University, 198504 Stary Petergof, Russian Federation c Institute of Macromolecular Compounds of the Russian Academy of Sciences, Bolshoii Pr. 31, 199004 St. Petersburg, Russian Federation d Department of Chemistry, University of Joensuu, P.O. Box 111, FI-80101 Joensuu, Finland |
| Abstract: | The reaction between Zn(OAc)2 · 2H2O (1) and the 3-iminoisoindolin-1-ones H2N CNC(O)C6R1R2R3R4 (R1-R4 = H 2; R1, R4 = H, R2, R3 = Cl 3; R1, R3, R4 = H, R2 = Me 4) in EtCN at 70 °C for ca. 12 h affords the novel family of complexes [Zn{H2NCNC(O)C6R1R2R3R4}2(OAc)2] (R1-R4 = H 5; R1, R4 = H, R2, R3 = Cl 6; R1, R3, R4 = H, R2 = Me 7) in excellent (90% and 93% for 5 and 6, correspondingly) to good (64% for 7) yields. The isolated compounds were characterized by elemental analyses (C, H, N), IR, NMR and ESI+-MS. X-ray diffraction data for 2 and 5 indicate that both free (2) and ligated (5) 3-iminoisoindolin-1-ones exist in the zwitterionic form. |
| Keywords: | Zinc(II) complexes Iminoisoindolin-1-ones Zwitterion Acetate ligands X-ray structure |
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