IL80525A0 - Preparation of indolines - Google Patents

Preparation of indolines

Info

Publication number
IL80525A0
IL80525A0 IL80525A IL8052586A IL80525A0 IL 80525 A0 IL80525 A0 IL 80525A0 IL 80525 A IL80525 A IL 80525A IL 8052586 A IL8052586 A IL 8052586A IL 80525 A0 IL80525 A0 IL 80525A0
Authority
IL
Israel
Prior art keywords
indolines
formula
preparation
alkyl
image
Prior art date
Application number
IL80525A
Other versions
IL80525A (en
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of IL80525A0 publication Critical patent/IL80525A0/en
Publication of IL80525A publication Critical patent/IL80525A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Catalysts (AREA)

Abstract

Indolines of the formula <IMAGE> in which R1 represents hydrogen or C1-C4-alkyl and R2 and R3 independently of one another in each case represent hydrogen, C1-C4-alkyl or phenyl, are prepared by cyclodehydratation of a 2-(2'-aminophenyl)ethanol of the formula <IMAGE> in which R1, R2 and R3 are as defined above, at 150-350 DEG C, in the presence of an amorphous alumosilicate. The indolines of the above formula are valuable intermediates for the preparation of crop protection agents.
IL80525A 1985-11-08 1986-11-06 Preparation of indolines by cyclodehydrating 2-(2'-aminoethylphenyl)-ethanol in the presence of amorphous aluminium silicate catalyst IL80525A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79635885A 1985-11-08 1985-11-08
US88483686A 1986-07-11 1986-07-11

Publications (2)

Publication Number Publication Date
IL80525A0 true IL80525A0 (en) 1987-02-27
IL80525A IL80525A (en) 1991-12-12

Family

ID=27121725

Family Applications (1)

Application Number Title Priority Date Filing Date
IL80525A IL80525A (en) 1985-11-08 1986-11-06 Preparation of indolines by cyclodehydrating 2-(2'-aminoethylphenyl)-ethanol in the presence of amorphous aluminium silicate catalyst

Country Status (7)

Country Link
EP (1) EP0221854B1 (en)
JP (1) JPS62114959A (en)
AT (1) ATE71367T1 (en)
DE (1) DE3683352D1 (en)
ES (1) ES2037667T3 (en)
GR (1) GR3003577T3 (en)
IL (1) IL80525A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8250894B2 (en) * 2006-10-30 2012-08-28 Aida Engineering, Ltd. Releasing mechanism and leveling apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE606027C (en) * 1933-11-16 1934-11-23 I G Farbenindustrie Akt Ges Process for the production of indolines and indoles

Also Published As

Publication number Publication date
EP0221854B1 (en) 1992-01-08
IL80525A (en) 1991-12-12
ATE71367T1 (en) 1992-01-15
ES2037667T3 (en) 1993-07-01
GR3003577T3 (en) 1993-03-16
JPS62114959A (en) 1987-05-26
JPH0588706B2 (en) 1993-12-24
EP0221854A1 (en) 1987-05-13
DE3683352D1 (en) 1992-02-20

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