INDUSTRIAL PROCESS FOR THE SYNTHESIS OF PYRIMIDINYL-PIPERAZINE DERIVATIVES
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Nov 20, 2013
filing date -
Nov 21, 2012
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Abandoned
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Abstract
Our invention relates to trans-(4-{4-[2-(4-amino-cyclohexyl)-ethyl]-piperazin-1-yl}-5,6-dichloro-pyrimidin-2-yl)-methylamine dihydrochloride monohydrate, the process for the synthesis of this compound, the new (4,5-dichloro-6-piperazin-1-yl-pyirimidin-2-yl)-methylamine monohydrochlorid used as starting material in this synthesis, as well as the industrial process for the synthesis of trans-N-(4- {2-[4-(5,6-dichloro-2-methyl-amino-pyirimidin-4-yl-)piperazin-1-yl]-ethly}cyclohexyl-propionamide starting from trans-(4-{4-[2-(4-amino-cyclohexyl)-ethyl]-piperazin-1-yl}-5,6-dichloro-pyrimidin-2-yl)-methylamine dihydrochloride monohydrate.
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