GB1303562A - - Google Patents

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Publication number
GB1303562A
GB1303562A GB1303562DA GB1303562A GB 1303562 A GB1303562 A GB 1303562A GB 1303562D A GB1303562D A GB 1303562DA GB 1303562 A GB1303562 A GB 1303562A
Authority
GB
United Kingdom
Prior art keywords
toluylenediamine
vol
pressure
ingrasaminte
industriala
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1303562A publication Critical patent/GB1303562A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1303562 2,4- and 2,6-Toluylenediamine CENTRALA INDUSTRIALA DE INGRASAMINTE CHIMICE 12 March 1971 6717/71 Heading C2C 2,4- or 2,6-Toluylenediamine is prepared by the catalytic reduction of 2,4- or 2,6-dinitrotoluene respectively, the reaction being carried out in toluene using ammonia synthesis gas (containing H 2 75%, N 2 25% by vol.) or purge gas (containing 60% H 2 ,40% N 2 by vol.), at a temperature of about 150‹ C. and a pressure of about 50 atmospheres pressure and in the presence of a Raney copper catalyst.
GB1303562D 1971-03-12 1971-03-12 Expired GB1303562A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB671771 1971-03-12

Publications (1)

Publication Number Publication Date
GB1303562A true GB1303562A (en) 1973-01-17

Family

ID=9819504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303562D Expired GB1303562A (en) 1971-03-12 1971-03-12

Country Status (1)

Country Link
GB (1) GB1303562A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005066113A1 (en) * 2004-01-08 2005-07-21 Basf Aktiengesellschaft Method for the distillative recovery of toluylenediamine
EP2213649A1 (en) * 2007-11-27 2010-08-04 Mitsui Chemicals, Inc. Method of dehydrating tolylenediamine and dehydrator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005066113A1 (en) * 2004-01-08 2005-07-21 Basf Aktiengesellschaft Method for the distillative recovery of toluylenediamine
US7342134B2 (en) 2004-01-08 2008-03-11 Basf Aktiengesellschaft Method for the distillative recovery of toluylenediamine
CN100406429C (en) * 2004-01-08 2008-07-30 巴斯福股份公司 Method for the distillative recovery of toluylenediamine
EP2213649A1 (en) * 2007-11-27 2010-08-04 Mitsui Chemicals, Inc. Method of dehydrating tolylenediamine and dehydrator
EP2213649A4 (en) * 2007-11-27 2011-07-13 Mitsui Chemicals Inc Method of dehydrating tolylenediamine and dehydrator
US8524047B2 (en) 2007-11-27 2013-09-03 Mitsui Chemicals Inc. Method of dehydrating tolylenediamine and dehydrator

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees