Synthesis,spectroscopic and X-ray structural study of 4-p-methoxy-phenylimino-3-hydroxyimino-2-pentanone |
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| Authors: | Raj P Sharma Paramjit Singh Kuldip K Bhasin Miguel Quirós Juan M Salas J F Hansen |
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| Institution: | (1) Department of Chemistry, Panjab University, 160014 Chandigarh, India;(2) Departmento de Química Inorgánica, Universidad de Granada, 18071 Granada, Spain;(3) Department of Chemistry, Illinois State University, 61790-4160 Normal, Illinois |
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| Abstract: | 4-p-Methoxy-phenylimino-3-hydroxyimino-2-pentanone has been synthesized, characterized by elemental analysis. IR, NMR and mass spectroscopies and its structure determined by single crystal X-ray diffraction. It crystallizes in the orthorhombic space group P212121, witha=7.2294(7),b=11.540(1),c=14.670(2) Å. Spectroscopic and X-ray data clearly indicate that the oxime tautomer is present. In the solid state, the geometrical isomer is the EZ, which is also the main species in solution according to NMR data. The two C=N bonds are not conjugated to each other. |
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| Keywords: | Oxime tautomer geometrical isomer isonitrosoketones |
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