1,3-Dipolar cycloaddition in the synthesis of pyrazolyl-substituted nitronyl nitroxides |
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| Authors: | E V Tretyakov S E Tolstikov G V Romanenko Yu G Shvedenkov R Z Sagdeev V I Ovcharenko |
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| Institution: | (1) International Tomography Center, Siberian Branch of the Russian Academy of Sciences, 3a ul. Institutskaya, 630090 Novosibirsk, Russian Federation;(2) Novosibirsk State University, 2 ul. Pirogova, 630090 Novosibirsk, Russian Federation |
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| Abstract: | A new approach to the synthesis of polyfunctional pyrazolyl-substituted nitronyl nitroxides was developed based on the presynthesized
pyrazole derivatives prepared by 1,3-dipolar cycloaddition. The structures of the resulting mono-and biradicals were confirmed
by X-ray diffraction.
Dedicated to Academician A. L. Buchachenko on the occasion of his 70th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 2105–2116, September, 2005. |
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| Keywords: | nitronyl nitroxide radicals 1 3-dipolar cycloaddition pyrazole X-ray diffraction analysis |
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