New Pt(II) complexes containing hemilabile thioether-pyrazole ligands. Structural analysis by 1H, 13C{1H} and 195Pt{1H} NMR spectroscopy and crystal structure of [PtCl(bdtp)](BPh4) [bdtp=1,5-bis(3,5-dimethyl-1-pyrazolyl)-3-thiapentane]

Polyhedron ◽  
2007 ◽  
Vol 26 (12) ◽  
pp. 2498-2506 ◽  
Author(s):  
Antonio de Leon ◽  
Josefina Pons ◽  
Jordi García-Antón ◽  
Xavier Solans ◽  
Mercè Font-Bardia ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Nmr Spectroscopy ◽  
Structural Analysis ◽  
1H Nmr ◽  
1H Nmr Spectroscopy ◽  
Pyrazole Ligands

Synthesis of new platinum(II) complexes containing hybrid thioether–pyrazole ligands: Structural analysis by 1H and 13C{1H} NMR spectroscopy and X-ray crystal structures

2007 ◽  
Vol 360 (6) ◽  
pp. 2071-2082 ◽  
Author(s):  
Antonio de Leon ◽  
Josefina Pons ◽  
Jordi García-Antón ◽  
Xavier Solans ◽  
Mercè Font-Bardia ◽  
...  
Keyword(s):  
Nmr Spectroscopy ◽  
Structural Analysis ◽  
Crystal Structures ◽  
1H Nmr ◽  
1H Nmr Spectroscopy ◽  
X Ray ◽  
Pyrazole Ligands

scholarly journals Synthesis of new 3-(2-aminothiazol-4-yl)-4-hydroxy-2H-chromen-2-one derivatives

2006 ◽  
Vol 71 (6) ◽  
pp. 581-585 ◽  
Author(s):  
S. Sukdolak ◽  
N. Vukovic ◽  
S. Solujic ◽  
M. Milosev ◽  
N. Manojlovic ◽  
...  
Keyword(s):  
Biological Activity ◽  
Nmr Spectroscopy ◽  
Structural Analysis ◽  
1H Nmr ◽  
1H Nmr Spectroscopy ◽  
Chemical Structure ◽  
High Yield ◽  
Thiourea Derivatives ◽  
Starting Compound ◽  
Derivatives Of

Aminothiazole derivatives of 4-hydroxy-2H-chromen-2-one were prepared by the Hantzsch reaction1 using 3-(2-bromoacetyl)-4-hydroxy-2H-chromen-2-one and thiourea derivatives. Starting compound for this synthesis 3-(2-bromoacetyl)-4-hydroxy- 2H-chromen-2-one (1) was prepared previously.2 Also, for this synthesis we used thiourea derivatives (2a-j) as compounds which possess groups with biological activity. Reactions are carried out in refluxing ethanol for a period of 30 - 45 min. Final products (3a-j) are obtained in a high yield. Chemical structure of the obtained compounds was confirmed by elemental and structural analysis (IR and 1H NMR spectroscopy).

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