The acylamidinium complex MoOCl(4)[MeC(O)N(Ph)C(Me)═NHPh] (2) was obtained by selective self-condensation of MeC(O)NHPh promoted by MoCl(5). Otherwise, the stable chloroiminium salt [MoOCl(4){HC(O)NMe(2)}][CH(Cl)═NMe(2)] (3) was isolated from HC(O)NMe(2)/MoCl(5).
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