Reactions of Aryliminodimagnesium with Some<i>N</i>,<i>N</i>-Dimethylcarboxamides and Benzonitriles Affording Various Types of Amidines. Correction of Previous Results on Formamidine Formation from<i>N</i>,<i>N</i>-Dimethylformamide
Some symmetrical and unsymmetrical form- and benzamidines were prepared by the reaction of ArN(MgBr)2 with Ar’CN, HCONMe2 and related compounds in tetrahydrofurn.