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Intramolecular cycloaddition of fluorinated 1,3,4-oxadiazoles to dienes |
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| Authors: | NV Vasil’ev DV Romanov AA Bazhenov KA Lyssenko GV Zatonsky |
| Institution: | a Moscow State Regional University, 107005 Moscow, Russian Federation b State Scientific Center “State Research Institute of Biological Engineering”, 123424, Volocolamskoe sh. 75/1, Moscow, Russian Federation4 c A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilova str. 28, 117813 Moscow, Russian Federation d N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky prospect 47, 117913 Moscow, Russian Federation |
| Abstract: | Cycloaddition reactions of fluorinated 1,3,4-oxadiazoles with conjugated and unconjugated dienes was studied. The reactions resulted in the formation of products of double cycloaddition (7-oxabicycloheptane type compounds), along with products of intramolecular cycloaddition (oxatricyclic and oxatetracyclic compounds). The structure of 4-(trifluoromethyl)-2-ethoxycarbonyl-1,6-dimethyl-3-oxatricyclo2.2.1.02,6]heptane was confirmed by single crystal X-ray diffraction analysis. |
| Keywords: | Fluorinated 1 3 4-oxadiazoles Diene [2 + 4]-Cycloaddition [2 + 3]-Cycloaddition |
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