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The reaction of Grignard compounds with Schiff bases. I. The formation of ethylenediamine derivatives

Thies, Heinrich ; Schönenberger, Helmut


Highly branched RMgX and benzylidenealkylamines give diphenylethylenediamine derivs. in lieu of the expected 1-phenyl-1-alkylaminoalkane type of compds. Adding (2 hrs.) 25 g. PhCH:NEt in 50 cc. Et2O to Me3CMgCl (from 74 g. Me3CCl) in 200 cc. Et2O, refluxing the mixt. 27 hrs., decompg. it with iced NaOH, extg. with Et2O, and fractionally distg. the residue yield 8.6 g. unchanged PhCH:NEt, b12 76-7 ...


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