NL7101137A - 2,4-and 2,6-tolylenediamines prepn - Google Patents

2,4-and 2,6-tolylenediamines prepn

Info

Publication number
NL7101137A
NL7101137A NL7101137A NL7101137A NL7101137A NL 7101137 A NL7101137 A NL 7101137A NL 7101137 A NL7101137 A NL 7101137A NL 7101137 A NL7101137 A NL 7101137A NL 7101137 A NL7101137 A NL 7101137A
Authority
NL
Netherlands
Prior art keywords
tolylenediamines
prepn
wiht
dinitrotoluene
atm
Prior art date
Application number
NL7101137A
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
Priority to NL7101137A priority Critical patent/NL7101137A/en
Publication of NL7101137A publication Critical patent/NL7101137A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32Preparation 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
    • C07C209/36Preparation 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

and 2,6-Tolylenediamines are prepared by the catalytic reduction of 2,4- and 2,6-dinitrotoluene in toluene wiht ammonia synthesis gas, which may be fresh or recycled gas, at 150 degrees C and 50 atm. in the presence of a Raney copper catalyst. Higher yields of the tolylenediamines are obtained, generally in the range 96-99%.
NL7101137A 1971-01-28 1971-01-28 2,4-and 2,6-tolylenediamines prepn NL7101137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7101137A NL7101137A (en) 1971-01-28 1971-01-28 2,4-and 2,6-tolylenediamines prepn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7101137A NL7101137A (en) 1971-01-28 1971-01-28 2,4-and 2,6-tolylenediamines prepn

Publications (1)

Publication Number Publication Date
NL7101137A true NL7101137A (en) 1972-08-01

Family

ID=19812351

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7101137A NL7101137A (en) 1971-01-28 1971-01-28 2,4-and 2,6-tolylenediamines prepn

Country Status (1)

Country Link
NL (1) NL7101137A (en)

Similar Documents

Publication Publication Date Title
NL7607750A (en) REACTION VESSEL WITH RADIAL FLOW FOR THE SYNTHESIS OF AMMONIA.
CA992098A (en) Urea synthesis with improved heat recovery and conversion
ES406183A1 (en) Process for the preparation of urea
CA1008882A (en) Process for preparing acrylonitrile from propylene, ammonia and oxygen, in the presence of catalyst
CA715118A (en) Catalytic synthesis of acrylonitrile from olefins, ammonia and oxygen
FR2123781A5 (en) 2,4-and 2,6-tolylenediamines prepn
NL7101137A (en) 2,4-and 2,6-tolylenediamines prepn
BE762059A (en) 2,4-and 2,6-tolylenediamines prepn
CA715119A (en) Process for preparing acrylonitrile by catalytic synthesis from olefins, ammonia and oxygen
CA977368A (en) Process for preparing methacrylonitrile from isobutene, ammonia and oxygen, in the presence of catalysts
GB1344574A (en) Aromatic amines
GB1304665A (en)
ES414739A1 (en) A procedure with a device for the catalytic synthesis of ammonia. (Machine-translation by Google Translate, not legally binding)
USD151938S (en) Design for a necklace
JPS52105125A (en) Separation and recovery of unreacted material on urea synthesis
USD233564S (en) Sound reducing cover for a typewriter, teleprinter or the like
JPS5273801A (en) Preparation of urea derivatives
ES384875A1 (en) Herbicidal para-tert-butylphenyl urea
GB1546164A (en) Process for preparing n',n'-disubstituted acid hydrazides
CA974545A (en) Catalysts for the ammoxidation and oxidation of olefines, process for their preparation and uses thereof
JPS5353631A (en) Preparatin of diacethylbenzene
GB1257362A (en)
CA787960A (en) Process for the production of urea by synthesis of ammonia and carbon dioxide, with total recycling of the portion which has not been converted into urea
FR2202057A1 (en) Carbonylation with transition metal/halogen catalyst - for prepn of N-cpds such as isocyanates, ureas, urethanes etc.
Gogachev et al. Effect of the Mode of Heating on the Fatique Limit and Structure of Cr Steels 1 Kh 18 N 9 T and 3 Kh 13