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Full-Text Articles in Physical Sciences and Mathematics
Synthesis And Spectroscopic Properties Of (N/O) Mono- Anddispirocyclotriphosphazene Derivatives With Benzyl Pendant Arms: Study Ofbiological Activity?, Özlem İşcan, Reşi̇t Cemaloğlu, Nuran Asmafi̇li̇z, Zeynel Kiliç, Leyla Açik, Peli̇n Özbeden, Tuncer Hökelek
Synthesis And Spectroscopic Properties Of (N/O) Mono- Anddispirocyclotriphosphazene Derivatives With Benzyl Pendant Arms: Study Ofbiological Activity?, Özlem İşcan, Reşi̇t Cemaloğlu, Nuran Asmafi̇li̇z, Zeynel Kiliç, Leyla Açik, Peli̇n Özbeden, Tuncer Hökelek
Turkish Journal of Chemistry
The Cl replacement reactions of hexachlorocyclotriphosphazene (trimer; N3 P3 Cl6) with sodium (N-benzyl)- aminopropanoxides (1 and 2) produced monospiro- (3 and 4), cis-, and trans-dispirocyclotriphosphazenes (13-16). The monospiro tetrakis-aminocyclotriphosphazenes (5-12) were obtained by the Cl substitutions of 3 and 4 with different secondary amines. The cis- (13 and 14) and trans-dispirophosphazenes (15 and 16) possessed 2 chiral P centers, and they were able to present meso and racemic forms, respectively. Moreover, the structures of compounds 5 and 14 were designated using X-ray data. The absolute configuration of compound 14 was found as SR in the solid state. Analytical and spectroscopic …
Synthesis, Characterization And Crystal Structures Of Platinum(Ii) Saccharinate Complexes With 1,5-Cyclooctadiene, Ceyda İçsel
Synthesis, Characterization And Crystal Structures Of Platinum(Ii) Saccharinate Complexes With 1,5-Cyclooctadiene, Ceyda İçsel
Turkish Journal of Chemistry
Two new platinum(II) complexes, namely [PtCl(sac)(COD)] (1) and [Pt(sac)$_{2}$(COD)] (2) (sac $=$ saccharinate and COD $=$ 1,5-cyclooctadiene), were synthesized and characterized by elemental analysis, IR, NMR, ESI-MS spectroscopic and thermal analysis (TG/DTA) methods. The platinum(II) complexes were prepared from the reaction of [PtCl$_{2}$(COD)] with Na(sac) • 2H$_{2}$O. The addition of the sac ligand resulted in the replacement of 1 and 2 chlorido ligands in [PtCl$_{2}$(COD)] to yield 1 and 2, respectively. The structures of the complexes were determined by single crystal X-ray diffraction and showed a distorted square planar coordination geometry around platinum(II). COD acted as a $\pi $-donor ligand, …