UV-mediated decomposition of diazomalonates in benzene: Unexpected access to functionalized bicyclo[3.2.0]heptane skeleton |
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| Authors: | Yi-Jung Chiang Jia-Liang Zhu |
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| Institution: | Department of Chemistry, National Dong Hwa University, No.1 Sec. 2 Da Hsueh Rd., Shuo-Feng, Hualien 97401, Taiwan, ROC |
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| Abstract: | Upon irradiation with 300-nm UV light, the photolysis of diazomalonates in benzene unexpectedly affords 2,6-dicarboxylate bicyclo3.2.0]hepta-2,6-dienes in low yields. These products are proven to be derived from cyclohepta-1,3,5-triene intermediates presumably via a tandem 1,5-carboxylate migration/2+2] cycloaddition sequence. |
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| Keywords: | Diazomalonates Benzene UV-mediated decomposition Cycloheptatriene Bicyclo[3 2 0]heptanes |
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