Diaza-(4 + 3) cycloadditions of putative diaza-oxyallyl cationic intermediates and cyclic dienes are reported as a method for the 1,4-diamination of cyclic dienes. This reaction was entirely selective for diamination and provided cycloadducts in good to excellent yield.
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http://dx.doi.org/10.1021/ol302771z | DOI Listing |
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