IT1082136B - Processo per la nitrazione del toluene - Google Patents

Processo per la nitrazione del toluene

Info

Publication number
IT1082136B
IT1082136B IT25798/77A IT2579877A IT1082136B IT 1082136 B IT1082136 B IT 1082136B IT 25798/77 A IT25798/77 A IT 25798/77A IT 2579877 A IT2579877 A IT 2579877A IT 1082136 B IT1082136 B IT 1082136B
Authority
IT
Italy
Prior art keywords
nitration
toluene
Prior art date
Application number
IT25798/77A
Other languages
English (en)
Original Assignee
Hoechst Ag
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 by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1082136B publication Critical patent/IT1082136B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT25798/77A 1976-07-17 1977-07-15 Processo per la nitrazione del toluene IT1082136B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2632234A DE2632234C3 (de) 1976-07-17 1976-07-17 Verfahren zur Herstellung von Nitrotoluolgemischen mit einem überwiegenden Gehalt an Nitrotoluol

Publications (1)

Publication Number Publication Date
IT1082136B true IT1082136B (it) 1985-05-21

Family

ID=5983262

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25798/77A IT1082136B (it) 1976-07-17 1977-07-15 Processo per la nitrazione del toluene

Country Status (10)

Country Link
US (1) US4112006A (it)
JP (1) JPS5312823A (it)
BE (1) BE856912A (it)
CA (1) CA1086775A (it)
CH (1) CH628319A5 (it)
DE (1) DE2632234C3 (it)
FR (1) FR2358381A1 (it)
GB (1) GB1560349A (it)
IT (1) IT1082136B (it)
NL (1) NL7707743A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418230A (en) * 1978-06-21 1983-11-29 Aktiebolaget Bofors Method for gaseous phase nitration of aromatics
US4426543A (en) 1980-11-26 1984-01-17 Monsanto Company Vapor phase nitration of aromatic hydrocarbons
DE3166081D1 (en) * 1980-11-26 1984-10-18 Monsanto Co A process for the vapor phase nitration of aromatic compounds
US4347389A (en) * 1980-12-31 1982-08-31 Monsanto Company Vapor phase nitration of aromatic compounds
US4407729A (en) * 1981-10-21 1983-10-04 Monsanto Company Catalysts
US4415744A (en) * 1981-10-21 1983-11-15 Monsanto Company Vapor phase nitration of aromatic compounds
DE3267711D1 (en) * 1981-10-21 1986-01-09 Monsanto Co Process and catalysts for vapor phase nitration of aromatic compounds
JPS58162557A (ja) * 1982-03-19 1983-09-27 Sumitomo Chem Co Ltd ニトロ化方法
JPS58180460A (ja) * 1982-04-16 1983-10-21 Sumitomo Chem Co Ltd ニトロ化方法
US4618733A (en) * 1984-11-14 1986-10-21 Monsanto Company Vapor phase nitration of aromatic compounds
US4600702A (en) * 1984-11-14 1986-07-15 Monsanto Company Vapor phase nitration catalysts
DE3583284D1 (de) * 1984-11-14 1991-07-25 Monsanto Co Gasphasennitrierungskatalysatoren und verfahren zu ihrer herstellung und ihrer verwendung.
US4754083A (en) * 1986-04-24 1988-06-28 Amoco Corporation Para selectivity in catalyzed disubstitutions of monosubstituted benzenes containing meta-directing substituents
JPH0249755A (ja) * 1988-05-18 1990-02-20 Sumitomo Chem Co Ltd ニトロベンゼン類の製造法
FR2645146A1 (fr) * 1989-02-21 1990-10-05 Rhone Poulenc Chimie Procede de preparation de dinitrotoluenes
JPH0311042A (ja) * 1989-06-08 1991-01-18 Sumitomo Chem Co Ltd 接触的ニトロ化方法
FR2658188A1 (fr) * 1990-02-09 1991-08-16 Rhone Poulenc Chimie Procede de preparation de dinitrotoluenes.
DE4410417A1 (de) * 1994-02-14 1995-08-17 Bayer Ag Verfahren zur adiabatischen Herstellung von Mononitrotoluolen
EP1386885A1 (en) * 2002-07-31 2004-02-04 Council of Scientific and Industrial Research Process for preparing microporous crystalline titanium silicate
EP1386907B1 (en) * 2002-07-31 2011-10-05 Council of Scientific and Industrial Research Process for vapor phase nitration of benzene using nitric acid over molybdenum silica catalyst
DE102006033722A1 (de) * 2006-07-21 2008-01-24 Bayer Materialscience Ag Verfahren zur Herstellung von Dinitrotoluol
CN111635318B (zh) * 2020-06-14 2023-07-07 盐城师范学院 二氧化硅基磺酸在提高甲苯一硝化反应p/o值中的应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2109873A (en) * 1938-03-01 Process of nitrating hydrocarbons
DE904046C (de) * 1942-10-06 1954-02-15 Ruhrchemie Ag Verfahren zur Herstellung von Kohlenwasserstoff-Nitroverbindungen
US2431585A (en) * 1944-06-29 1947-11-25 Ici Ltd Nitration of aromatic hydrocarbons
JPS5114499B1 (it) * 1971-07-13 1976-05-10
US3966830A (en) * 1974-03-08 1976-06-29 Teijin Limited Process for the nitration of halogenated benzene derivatives
US3957889A (en) * 1975-05-02 1976-05-18 Air Products And Chemicals, Inc. Selective nitration of aromatic and substituted aromatic compositions

Also Published As

Publication number Publication date
FR2358381A1 (fr) 1978-02-10
DE2632234A1 (de) 1978-01-19
US4112006A (en) 1978-09-05
NL7707743A (nl) 1978-01-19
DE2632234C3 (de) 1978-12-21
GB1560349A (en) 1980-02-06
BE856912A (fr) 1978-01-18
CH628319A5 (de) 1982-02-26
JPS5312823A (en) 1978-02-04
DE2632234B2 (de) 1978-05-03
CA1086775A (en) 1980-09-30

Similar Documents

Publication Publication Date Title
IT1082136B (it) Processo per la nitrazione del toluene
BR7704895A (pt) Processo de telomerizacao de dienos
BR7704322A (pt) Processo para a preparacao de metil-tercio-butileter
BR7705457A (pt) Processo para a preparacao de poliuretanoureias
IT1080581B (it) Processo di idroformilazione
BR7603333A (pt) Processo para a fabricacao de policarbonatos
BR7608158A (pt) Processo para a fabricacao de o-hidroxi-aril-aldeidos
IT1075381B (it) Processo per la produzione di acilcianuri
BR7601472A (pt) Processo de reacao integrada
IT1058596B (it) Processo di nichelatura
IT1075382B (it) Processo per la produzione di acilcianuri
BR7702207A (pt) Processo para a preparacao de alquiltiometilfenois
BR7600029A (pt) Processo para fabricacao de fosgenio
IT1067286B (it) Processo per la polimerizzazione di eta-caprolattame
IT1075383B (it) Processo per la produzione di acilcianuri
BR7702008A (pt) Processo para producao de rodas formadoras de centelhas
BR7603871A (pt) Processo para producao de polimisturas polimericas
IT1080379B (it) Processo di decaffeinizzazione
BR7600167A (pt) Processo para obtencao de tiometil-aril-ureias
IT1124782B (it) Processo di ammossidazione
IT1114162B (it) Processo per la fabbricazione di dispositivi semiconduttori
BR7704821A (pt) Processo para a fabricacao de diamino-alcoxi-benzenos
IT1075258B (it) Processo per la produzione di diarilammine
BR7606079A (pt) Processo para a polimerizacao de 2-pirrolidona
BR7702163A (pt) Processo para a preparacao de aminonitrofenois