NL7506186A - Werkwijze voor de selektieve bereiding van macrocyclische polyethers. - Google Patents

Werkwijze voor de selektieve bereiding van macrocyclische polyethers.

Info

Publication number
NL7506186A
NL7506186A NL7506186A NL7506186A NL7506186A NL 7506186 A NL7506186 A NL 7506186A NL 7506186 A NL7506186 A NL 7506186A NL 7506186 A NL7506186 A NL 7506186A NL 7506186 A NL7506186 A NL 7506186A
Authority
NL
Netherlands
Prior art keywords
selective preparation
macrocyclic polyethers
macrocyclic
polyethers
selective
Prior art date
Application number
NL7506186A
Other languages
English (en)
Dutch (nl)
Original Assignee
Johannes Dale Prof
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 Johannes Dale Prof filed Critical Johannes Dale Prof
Publication of NL7506186A publication Critical patent/NL7506186A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645—Metals or compounds thereof, e.g. salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polyethers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
NL7506186A 1974-05-28 1975-05-26 Werkwijze voor de selektieve bereiding van macrocyclische polyethers. NL7506186A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO741930A NO134211C (it) 1974-05-28 1974-05-28

Publications (1)

Publication Number Publication Date
NL7506186A true NL7506186A (nl) 1975-12-02

Family

ID=19881635

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7506186A NL7506186A (nl) 1974-05-28 1975-05-26 Werkwijze voor de selektieve bereiding van macrocyclische polyethers.

Country Status (13)

Country Link
US (1) US3997563A (it)
JP (1) JPS5927351B2 (it)
BE (1) BE829563A (it)
CA (1) CA1039733A (it)
CH (1) CH601284A5 (it)
DE (1) DE2523542A1 (it)
DK (1) DK234575A (it)
FR (1) FR2273004B2 (it)
GB (1) GB1456190A (it)
IT (1) IT1035884B (it)
NL (1) NL7506186A (it)
NO (1) NO134211C (it)
SE (1) SE426068B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127513A (en) * 1977-11-09 1978-11-28 E. I. Du Pont De Nemours And Company Method for preparing polyether glycols
US4257955A (en) * 1978-10-06 1981-03-24 Board Of Trustees, Michigan State University Lanthanide rare earth series cryptate compounds and process for the preparation of metal cryptates in general
CA1131647A (en) * 1978-11-10 1982-09-14 Arie Van Zon Macrocyclic polyether complexes and method for macrocyclic polyether isolation via said complexes
US4228272A (en) * 1979-03-27 1980-10-14 E. I. Du Pont De Nemours And Company Method of catalytically preparing tetrahydrofuran/alkylene oxide polymerizates using a montmorillonite clay as the catalyst
US4329445A (en) * 1979-04-30 1982-05-11 E. I. Du Pont De Nemours And Company Process for preparing a tetrahydrofuran-alkylene oxide copolymer with treated bentonite catalyst
US4392978A (en) * 1979-12-26 1983-07-12 Allied Corporation Selective aromatic nitration
US4562272A (en) * 1981-03-27 1985-12-31 Union Carbide Corporation Process for preparing cyclic polyethers
US4432904A (en) * 1982-09-29 1984-02-21 E. I. Du Pont De Nemours And Company Phosphine azacrown ether compounds
GB8724662D0 (en) * 1987-10-21 1987-11-25 Ass Octel Lewis base complexes of alkali metal salts
US5913446A (en) 1994-06-21 1999-06-22 Von Holdt, Sr.; John W. Plastic bucket and lid
GB2303130A (en) * 1995-07-10 1997-02-12 Secr Defence Cyclic oligomers of substituted cyclic ethers
DE19755415A1 (de) * 1997-12-12 1999-06-17 Basf Ag Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran
US6579997B1 (en) 1999-07-21 2003-06-17 Uab Research Foundation Metallacrown ether catalysts for hydroformylation
DE102006057142A1 (de) * 2006-12-01 2008-06-05 Henkel Kgaa Metallverbindungen als Initiatoren
CN114605374B (zh) * 2022-04-01 2023-06-09 浙江肯特催化材料科技有限公司 一种环氧乙烷连续低聚合成脂肪族冠醚的方法
CN114702472B (zh) * 2022-04-01 2024-03-22 浙江肯特催化材料科技有限公司 一种环氧乙烷低聚合成脂肪族冠醚的制备方法

Also Published As

Publication number Publication date
US3997563A (en) 1976-12-14
CA1039733A (en) 1978-10-03
JPS5123283A (en) 1976-02-24
SE426068B (sv) 1982-12-06
FR2273004B2 (it) 1979-05-18
SE7506050L (sv) 1975-12-01
GB1456190A (en) 1976-11-17
DK234575A (da) 1975-11-29
BE829563A (fr) 1975-09-15
DE2523542A1 (de) 1975-12-04
FR2273004A2 (it) 1975-12-26
NO741930L (it) 1975-12-01
IT1035884B (it) 1979-10-20
CH601284A5 (it) 1978-07-14
NO134211C (it) 1976-09-01
NO134211B (it) 1976-05-24
JPS5927351B2 (ja) 1984-07-05

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed