ES2532982T3 - Proceso de preparación de 3-aminopentanonitrilo - Google Patents

Proceso de preparación de 3-aminopentanonitrilo Download PDF

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Publication number
ES2532982T3
ES2532982T3 ES10190880.4T ES10190880T ES2532982T3 ES 2532982 T3 ES2532982 T3 ES 2532982T3 ES 10190880 T ES10190880 T ES 10190880T ES 2532982 T3 ES2532982 T3 ES 2532982T3
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Prior art keywords
pentenenitrile
ammonia
cis
crude
reaction mixture
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Ronald L. Amey
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Invista Technologies SARL Switzerland
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Invista Technologies SARL Switzerland
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups

Abstract

Un proceso para la preparación de 3-aminopentanonitrilo, que comprende (a) poner en contacto (i) un 2- pentenonitrilo en bruto ("2PN en bruto") que comprende 50 % al 85 % de cis-2-pentenonitrilo; 3 % al 25 % de 2-metil- 2-butenonitrilo y 2-5 metil-3-butenonitrilo; 0,5 % al 10 % de mononitrilos alifáticos lineales; y 0,01 % al 15 % de hidrocarburos, con (ii) un fluido que contiene amoniaco, y (iii) agua, usando un exceso molar de amoniaco con respecto al contenido de 2-pentenonitrilo de 2PN en bruto en el intervalo del 10 % al 20 %, para producir una mezcla de reacción, en el que: el 2-pentenonitrilo es cis-2-pentenonitrilo, o una mezcla de cis-2-pentenonitrilo y trans-2-pentenonitrilo; y el fluido que contiene amoniaco comprende al menos un miembro seleccionado del grupo que consiste en amoniaco, amoniaco acuoso e hidróxido de amonio; y (b) mantener la concentración de agua en la mezcla de reacción en el intervalo del 15 % en peso al 60 % en peso, basado en el peso total de la mezcla de reacción.

Description

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Claims (1)

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ES10190880.4T 2005-10-18 2005-10-18 Proceso de preparación de 3-aminopentanonitrilo Active ES2532982T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2005/037642 WO2007046799A1 (en) 2005-10-18 2005-10-18 Process of making 3-aminopentanenitrile

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ES2532982T3 true ES2532982T3 (es) 2015-04-06

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ES10190880.4T Active ES2532982T3 (es) 2005-10-18 2005-10-18 Proceso de preparación de 3-aminopentanonitrilo

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US (1) US7973174B2 (es)
EP (2) EP1948591A1 (es)
ES (1) ES2532982T3 (es)
TW (1) TWI363051B (es)
WO (1) WO2007046799A1 (es)

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Publication number Priority date Publication date Assignee Title
RU2417985C2 (ru) 2005-05-30 2011-05-10 Баниу Фармасьютикал Ко., Лтд. Новые производные пиперидина
WO2009075692A2 (en) 2007-05-14 2009-06-18 Invista Technologies S.A.R.L. High efficiency reactor and process

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