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Coupling of C-amino aza-substituted heterocycles with an isocyanide ligand in palladium(ii) complex |
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| Authors: | M. A. Kinzhalov K. V. Luzyanin V. P. Boyarskiy M. Haukka V. Yu. Kukushkin |
| Affiliation: | 1. Department of Chemistry, St. Petersburg State University, 26 Universitetsky prosp., 198504, Stary Petergof, Russian Federation 2. Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK 3. University of Jyv?skyl?, PL 35, Jyv?skyl?, 40014, Finland 4. Institute of Macromolecular Compounds, Russian Academy of Sciences, 31 Bolshoii prosp., 199004, St. Petersburg, Russian Federation |
| Abstract: | The reaction of cis-dichlorobis(2,6-xylylisocyanide)palladium(ii) with 2-aminopyrazine affords a binuclear palladium complex, in which one of the metal atoms is involved in the palladacyclic ligand. In the contrast, the coupling of isocyanide ligands in cis-dichlorobis-(2,6-xylylisocyanide)palladium(ii) with another C-amino aza-substituted heterocycle, viz.,4-acetyl-3-amino-5-methylpyrazole, gives a mononuclear cationic palladium diaminocarbene complex. Both compounds were characterized by elemental analysis, IR spectroscopy, 1H, 13C{1H}, DEPT90/DEPT135, and 1H,13C-HSQC/1H,13C-HMBC NMR spectroscopy, high-resolution electrospray ionization mass spectrometry, and X-ray diffraction. |
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