IT987144B - Procedimento per l isomerizza zione della isopropilnaftalina - Google Patents

Procedimento per l isomerizza zione della isopropilnaftalina

Info

Publication number
IT987144B
IT987144B IT23738/73A IT2373873A IT987144B IT 987144 B IT987144 B IT 987144B IT 23738/73 A IT23738/73 A IT 23738/73A IT 2373873 A IT2373873 A IT 2373873A IT 987144 B IT987144 B IT 987144B
Authority
IT
Italy
Prior art keywords
isopropylnaphaline
isomerization
procedure
Prior art date
Application number
IT23738/73A
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 IT987144B publication Critical patent/IT987144B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2729Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732Catalytic processes
    • C07C5/274Catalytic processes with inorganic acids; with salts or anhydrides of acids
    • C07C5/2748Acids of halogen; Salts thereof
    • C07C5/2751Metal halides; Complexes thereof with organic compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2729Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732Catalytic processes
    • C07C5/2756Catalytic processes with hydrides or organic compounds
    • C07C5/2759Catalytic processes with hydrides or organic compounds containing metal-to-carbon bond; Metal hydrides
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00Chemistry of hydrocarbon compounds
    • Y10S585/949Miscellaneous considerations
    • Y10S585/954Exploiting mass-action phenomenon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT23738/73A 1972-05-06 1973-05-04 Procedimento per l isomerizza zione della isopropilnaftalina IT987144B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2222342A DE2222342C3 (de) 1972-05-06 1972-05-06 Verfahren zur Isomerisierung von α -Isopropylnaphthalin zu β -Isopropylnaphthalin

Publications (1)

Publication Number Publication Date
IT987144B true IT987144B (it) 1975-02-20

Family

ID=5844270

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23738/73A IT987144B (it) 1972-05-06 1973-05-04 Procedimento per l isomerizza zione della isopropilnaftalina

Country Status (10)

Country Link
US (1) US3845149A (it)
JP (1) JPS4961146A (it)
BE (1) BE799196A (it)
CA (1) CA997377A (it)
CH (1) CH583670A5 (it)
DE (1) DE2222342C3 (it)
FR (1) FR2183816B1 (it)
GB (1) GB1437716A (it)
IT (1) IT987144B (it)
NL (1) NL7306041A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886223A (en) * 1974-05-01 1975-05-27 American Cyanamid Co Isomerization of isopropylnaphthalene alkylate mixtures
JPS52106852A (en) * 1976-03-03 1977-09-07 Agency Of Ind Science & Technol Beta-secondary-butylnaphthalenes
US4026959A (en) * 1976-05-07 1977-05-31 American Cyanamid Company Low temperature isomerization process for isopropylnaphthalene (100 percent sieve catalyst)
US4288646A (en) * 1979-10-05 1981-09-08 Pcuk Produits Chimiques Ugine Kuhlmann Regioselective preparation of β-isopropylnaphthalene over superacidic solid or supported perfluorinated sulfonic acid catalysts

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE936089C (de) * 1953-06-29 1955-12-07 Hercules Powder Co Ltd Verfahren zur Herstellung von Isopropylnaphthalin
US3076856A (en) * 1959-08-27 1963-02-05 Continental Oil Co Process for preparing dialkyl-naphthalene
GB1152532A (en) * 1966-10-13 1969-05-21 American Cyanamid Co Isomerization of alkyl aromatic hydrocarbons.
GB1209495A (en) * 1966-11-01 1970-10-21 Ashland Oil Inc The preparation of alkylpolycyclic compounds and their oxidised products
DE1922845B2 (de) * 1969-05-05 1978-01-12 American Cyanamid Co, Wayne, N.J. (V.St.A.) Verfahren zur erhoehung des verhaeltnisses von beta-isomerem zu alphaisomerem in einem gemisch aus alpha- und beta-isopropylnaphtalin

Also Published As

Publication number Publication date
NL7306041A (it) 1973-11-08
DE2222342A1 (de) 1973-11-22
CA997377A (en) 1976-09-21
JPS4961146A (it) 1974-06-13
FR2183816A1 (it) 1973-12-21
US3845149A (en) 1974-10-29
BE799196A (fr) 1973-11-07
GB1437716A (en) 1976-06-03
DE2222342C3 (de) 1981-07-09
CH583670A5 (it) 1977-01-14
DE2222342B2 (de) 1980-09-04
FR2183816B1 (it) 1976-11-12

Similar Documents

Publication Publication Date Title
SE407579B (sv) Forfarande for framstellning av n-fosfonometylglycin
IT975971B (it) Procedimento per la preparazione di clorosilani
NO140731C (no) Fremgangsmaate for fremstilling av dimetyleter
BE806056A (fr) Construction de supports
SE382053B (sv) Forfarande for framstellning av bifenylylalkanoylaminopyridiner
IT1011506B (it) Procedimento per la preparazione della l fenilalanina
TR17483A (tr) Isoparafin-olefin alkilendirme usulue
IT1048405B (it) Procedimento per la fabbricazione della birra
SE383151B (sv) Forfarande for framstellning av 1-hydroxi-2-pyridoner
SE393111B (sv) Forfarande for framstellning av d-2-halogen-6-metyl-8-substituerad - ergolin
SE380272B (sv) Forfarande for framstellning av n-fosfonmetylglycin
AR209264A1 (es) Procedimiento para la isomerizacion de enzimas
BE800684A (fr) Preparation de dimethylnaphtalenes
FI56830B (fi) Foerfarande foer framstaellning av asparaginylgrupper innehaollande biologiskt aktiva polypeptider
SE393808B (sv) Forfarande for framstellning av isomaltit
SE415355B (sv) Forfarande for framstellning av fosfonotioureider
AR197040A1 (es) Procedimiento de preparacion de nuevas bifenilacetamidas
IT987144B (it) Procedimento per l isomerizza zione della isopropilnaftalina
IT995837B (it) Procedimento per la preparazione di uree sostituite
FI56670B (fi) Foerfarande foer framstaellning av 5-cyklohexyl-6-halogenindan-1-karboxylsyraderivat
IT954339B (it) Procedimento di isomerizzazione
SE391717B (sv) Forfarande for framstellning av 4-aryl-5-aminoalkyl-4-oxazolin-2-oner
IT996099B (it) Procedimento di preparazione di amminoantrachinone
IT996574B (it) Procedimento per la preparazione della bipra
IT977792B (it) Procedimento per la preparazione di cianidrine