1,3-dipolar cycloaddition of nitrones to free and coordinated nitriles: Routes to control the synthesis of 2,3-dihydro-1,2,4-oxadiazoles |
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Authors: | N A Bokach V Yu Kukushkin |
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Institution: | (1) Department of Chemistry, St. Petersburg State University, 26 Universitetsky prosp., 198504 Stary Petergof, Russian Federation |
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Abstract: | Data on 1,3-dipolar cycloaddition of nitrones to free and coordinated nitriles producing 2,3-dihydro-1,2,4-oxadiazoles (or
Δ4-1,2,4-oxadiazolines) are summarized. The latter compounds belong to the virtually unknown class of heterocyclic systems.
The main factors responsible for the cycloaddition reactions are discussed. Particular attention is given to the role of metal
centers in controlling the synthesis of 2,3-dihydro-1,2,4-oxadiazoles.
Dedicated to Academician O. M. Nefedov on the occasion of his 75th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 1803–1815, November, 2006. |
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Keywords: | 1 3-dipolar cycloaddition nitriles nitrile complexes nitrones reactivity |
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