DE2960716D1 - Process for the preparation of isocyanates from nitro compounds - Google Patents

Process for the preparation of isocyanates from nitro compounds

Info

Publication number
DE2960716D1
DE2960716D1 DE7979400118T DE2960716T DE2960716D1 DE 2960716 D1 DE2960716 D1 DE 2960716D1 DE 7979400118 T DE7979400118 T DE 7979400118T DE 2960716 T DE2960716 T DE 2960716T DE 2960716 D1 DE2960716 D1 DE 2960716D1
Authority
DE
Germany
Prior art keywords
isocyanates
preparation
nitro compounds
nitro
compounds
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
DE7979400118T
Other languages
English (en)
Inventor
Jean-Marie Cognion
Jacques Kervennal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Poulenc Chimie de Base SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Application granted granted Critical
Publication of DE2960716D1 publication Critical patent/DE2960716D1/de
Expired legal-status Critical Current

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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1805—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing nitrogen
    • B01J31/181—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine
    • B01J31/1815—Cyclic ligands, including e.g. non-condensed polycyclic ligands, comprising at least one complexing nitrogen atom as ring member, e.g. pyridine with more than one complexing nitrogen atom, e.g. bipyridyl, 2-aminopyridine
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • B01J2531/0241—Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
    • B01J2531/025—Ligands with a porphyrin ring system or analogues thereof, e.g. phthalocyanines, corroles
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82—Metals of the platinum group
    • B01J2531/824—Palladium
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84—Metals of the iron group
    • B01J2531/842—Iron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (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)
DE7979400118T 1978-03-10 1979-02-27 Process for the preparation of isocyanates from nitro compounds Expired DE2960716D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7806927A FR2419280A1 (fr) 1978-03-10 1978-03-10 Procede de preparation des isocyanates organiques a partir des derives nitres

Publications (1)

Publication Number Publication Date
DE2960716D1 true DE2960716D1 (en) 1981-11-26

Family

ID=9205612

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979400118T Expired DE2960716D1 (en) 1978-03-10 1979-02-27 Process for the preparation of isocyanates from nitro compounds

Country Status (6)

Country Link
EP (1) EP0004224B1 (de)
JP (1) JPS54128545A (de)
DE (1) DE2960716D1 (de)
DK (1) DK98779A (de)
FR (1) FR2419280A1 (de)
NO (1) NO149632C (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966453A (en) * 1959-03-13 1960-12-27 Universal Oil Prod Co Oxidation of mercapto compounds
US3585231A (en) * 1968-06-21 1971-06-15 Olin Mathieson Preparation of aromatic isocyanates
US3632827A (en) * 1968-11-21 1972-01-04 Olin Mathieson Preparation of aromatic isocyanates
BE787638A (nl) * 1971-08-26 1973-02-19 Shell Int Research Werkwijze voor de bereiding van isocyanaten
US4072630A (en) * 1976-02-17 1978-02-07 Uop Inc. Metal phthalocyanine catalyst preparation
US4070307A (en) * 1976-08-12 1978-01-24 Uop Inc. Method of catalyst manufacture

Also Published As

Publication number Publication date
NO149632C (no) 1984-05-23
JPS54128545A (en) 1979-10-05
EP0004224A1 (de) 1979-09-19
EP0004224B1 (de) 1981-09-02
FR2419280B1 (de) 1983-03-18
DK98779A (da) 1979-09-11
FR2419280A1 (fr) 1979-10-05
NO149632B (no) 1984-02-13
NO790801L (no) 1979-09-11

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: RHONE-POULENC CHIMIE DE BASE, COURBEVOIE, HAUTS-DE

8328 Change in the person/name/address of the agent

Free format text: SCHWABE, H., DIPL.-ING. SANDMAIR, K., DIPL.-CHEM. DR.JUR. DR.RER.NAT. MARX, L., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee