METHOD FOR OBTAINING 5-CARBAMOYL-5H-DIBENZO (B,F) AZEPINE

METHOD FOR OBTAINING 5-CARBAMOYL-5H-DIBENZO (B,F) AZEPINE

The invention relates to a process for the preparation of 5-(carbamoyl)-5H-dibenz[b,f]azepine of the formula by chlorocarbonylation of 5H-dibenz[b,f]azepine of the formula and ammonolysis of the resulting 5-(chlorocarbonyl)- 5H-dibenz[b,f]azepine of the formula with gaseous ammonia, in which the chl...

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Hauptverfasser: TIBOR TIMAR, VILMOSH GALAMB, PIROSHKA KORIK, KATALIN KHORVAT, ZOLTAN SABO, LASLO FRANK, FERENTS BARTA, ZOLTAN TSIAKI
Format: Patent
Sprache:eng ; rus
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CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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creator TIBOR TIMAR
VILMOSH GALAMB
PIROSHKA KORIK
KATALIN KHORVAT
ZOLTAN SABO
LASLO FRANK
FERENTS BARTA
ZOLTAN TSIAKI
description The invention relates to a process for the preparation of 5-(carbamoyl)-5H-dibenz[b,f]azepine of the formula by chlorocarbonylation of 5H-dibenz[b,f]azepine of the formula and ammonolysis of the resulting 5-(chlorocarbonyl)- 5H-dibenz[b,f]azepine of the formula with gaseous ammonia, in which the chlorocarbonylation of the 5H-dibenz[b,f]azepine of the formula II is carried out using trichloromethyl chloroformate in an apolar aromatic solvent, and the ammonolysis is carried out in the same device without separation and purification of the 5-(chlorocarbonyl)-5H-dibenz[b,f]azepine of the formula III in the unchanged reaction medium.
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VILMOSH GALAMB ; PIROSHKA KORIK ; KATALIN KHORVAT ; ZOLTAN SABO ; LASLO FRANK ; FERENTS BARTA ; ZOLTAN TSIAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_RU1836352C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; rus</language><creationdate>1993</creationdate><topic>CHEMISTRY</topic><topic>HETEROCYCLIC COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>TIBOR TIMAR</creatorcontrib><creatorcontrib>VILMOSH GALAMB</creatorcontrib><creatorcontrib>PIROSHKA KORIK</creatorcontrib><creatorcontrib>KATALIN KHORVAT</creatorcontrib><creatorcontrib>ZOLTAN SABO</creatorcontrib><creatorcontrib>LASLO FRANK</creatorcontrib><creatorcontrib>FERENTS BARTA</creatorcontrib><creatorcontrib>ZOLTAN TSIAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TIBOR TIMAR</au><au>VILMOSH GALAMB</au><au>PIROSHKA KORIK</au><au>KATALIN KHORVAT</au><au>ZOLTAN SABO</au><au>LASLO FRANK</au><au>FERENTS BARTA</au><au>ZOLTAN TSIAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR OBTAINING 5-CARBAMOYL-5H-DIBENZO (B,F) AZEPINE</title><date>1993-08-23</date><risdate>1993</risdate><abstract>The invention relates to a process for the preparation of 5-(carbamoyl)-5H-dibenz[b,f]azepine of the formula by chlorocarbonylation of 5H-dibenz[b,f]azepine of the formula and ammonolysis of the resulting 5-(chlorocarbonyl)- 5H-dibenz[b,f]azepine of the formula with gaseous ammonia, in which the chlorocarbonylation of the 5H-dibenz[b,f]azepine of the formula II is carried out using trichloromethyl chloroformate in an apolar aromatic solvent, and the ammonolysis is carried out in the same device without separation and purification of the 5-(chlorocarbonyl)-5H-dibenz[b,f]azepine of the formula III in the unchanged reaction medium.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
title METHOD FOR OBTAINING 5-CARBAMOYL-5H-DIBENZO (B,F) AZEPINE
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