Process for the preparation of...

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C - Chemistry, Metallurgy

07

F

260/598.7

C07F 9/22 (2006.01)

Patent

CA 1041120

ABSTRACT OF THE DISCLOSURE This invention relates to N,N',N"-tricyclohexyl-N,N',N"- trimethyl-phosphoric acid triamide which is a valuable intermediate for a new process for the preparation of 2-amino- N-cyclohexyl-3,5-dibromo-N-methyl benzylamine and its acid addition salts. These latter compounds possess valuable pharmacological activity, in particular a good secretolytic activity. The new process comprises the reaction of 2-amino- 3,5-dibromo-benzyl alcohol with N,N',N"-triccyclohexyl- N,N',N"-trimethyl-phosphoric acid triamide at elevated tempera- tures. A process for the preparation og the intermediate N,N',N"-tricyclohexyl-N,N',N"-trimethyl-phosphoric acid triamide which comprises reacting N-methyl-N-cyclohecylamine with a phosphoryl halide is also described. - 2 -

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