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1,3-Dipolar Cycloaddition of 5-Substituted-1-Methyl-3-Oxidopyridiniums |
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| Authors: | Ling-Ching Chen Eng-Chi Wang Jen-Hom Lin |
| Abstract: | 5-Methoxy- and 5-dimethylamino-1-methyl-3-oxidopyridiniums were shown to give the 1,3-dipolar cycloadducts widely with methyl acrylate, acrylonitrile, N-phenylmaleimide, styrene, phenylacetylene, cyclopentadiene, cyclopentene, diethyl azodicarboxylate and singlet oxygen. |
| Keywords: | 1,3-Dipolar cycloaddition betaine sinlet oxygen |