Preparation of [5 + 6]-, [6 + 6]-, and [6 + 7]Bicyclic Guanidines fromC,C'Bis(iminophosphoranes

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Transcript of Preparation of [5 + 6]-, [6 + 6]-, and [6 + 7]Bicyclic Guanidines fromC,C'Bis(iminophosphoranes