FI813442L - FOER FARING FOR FRAMSTAELLNING AV POLYOLER MED MINST EN OXACYKLOPENTANRING - Google Patents

FOER FARING FOR FRAMSTAELLNING AV POLYOLER MED MINST EN OXACYKLOPENTANRING

Info

Publication number
FI813442L
FI813442L FI813442A FI813442A FI813442L FI 813442 L FI813442 L FI 813442L FI 813442 A FI813442 A FI 813442A FI 813442 A FI813442 A FI 813442A FI 813442 L FI813442 L FI 813442L
Authority
FI
Finland
Prior art keywords
polyoler
oxacyklopentanring
framstaellning
foer faring
minst
Prior art date
Application number
FI813442A
Other languages
Finnish (fi)
Other versions
FI79306B (en
FI79306C (en
Inventor
John Feldmann
Hubert Koebernik
Hans-Ulrich Woek
Original Assignee
Cpc International Inc
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 Cpc International Inc filed Critical Cpc International Inc
Publication of FI813442L publication Critical patent/FI813442L/en
Publication of FI79306B publication Critical patent/FI79306B/en
Application granted granted Critical
Publication of FI79306C publication Critical patent/FI79306C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/20—Oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
FI813442A 1980-11-05 1981-11-02 Process for the preparation of 1,4-anhydrotetritols, 1,4-anhydropent itols or 1,4; 3,6-dianhydrohexitols FI79306C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3041673 1980-11-05
DE3041673A DE3041673C2 (en) 1980-11-05 1980-11-05 Process for the preparation of 1,4-anhydrotetrites, 1,4-anhydropentites or 1,4; 3,6-dianhydrohexites

Publications (3)

Publication Number Publication Date
FI813442L true FI813442L (en) 1982-05-06
FI79306B FI79306B (en) 1989-08-31
FI79306C FI79306C (en) 1989-12-11

Family

ID=6115990

Family Applications (1)

Application Number Title Priority Date Filing Date
FI813442A FI79306C (en) 1980-11-05 1981-11-02 Process for the preparation of 1,4-anhydrotetritols, 1,4-anhydropent itols or 1,4; 3,6-dianhydrohexitols

Country Status (8)

Country Link
EP (1) EP0052295B1 (en)
BR (1) BR8107183A (en)
DE (2) DE3041673C2 (en)
DK (1) DK452581A (en)
ES (1) ES8302039A1 (en)
FI (1) FI79306C (en)
YU (1) YU42591B (en)
ZA (1) ZA817113B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111092A1 (en) 1981-03-20 1982-09-30 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING 1.4-3.6-DIANHYDRO-HEXITOLS
DE3229412A1 (en) * 1982-08-06 1984-02-09 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING DIANHYDROHEXITOL MIXTURES FROM HEXITOLS, DIANHYDRO-HEXITOL MIXTURES CONTAINING DIANHYDRO IDITES AND THE USE THEREOF FOR PRODUCING POLYMERS
DE3230349A1 (en) * 1982-08-14 1984-02-16 Maizena Gmbh, 2000 Hamburg METHOD FOR OBTAINING PURE CRYSTALLINE ANHYDROPENTITE, MONO- AND / OR DIANHYDROHEXITE
DE3233086A1 (en) * 1982-09-07 1984-03-08 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING POLYURETHANE ELASTOMERS USING DIOLES OF THE DIANHYDRO-HEXIT SERIES IN CONNECTION WITH POLYOXYALKYLENE-POLYDIALKYLSILOXANE COPOLYMERS
DE3302603A1 (en) * 1983-01-27 1984-08-02 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING POLYURETHANE ELASTOMERS USING DIOLS OF THE ANHYDRO-TETRITE SERIES
FR2617846B1 (en) * 1987-07-07 1992-07-17 Beghin Say Sa PROCESS FOR THE PREPARATION OF ANHYDRIDES OF HEXITOLS, HEXONOLACTONES AND HEXOSIDES
NL1015119C2 (en) * 2000-05-04 2001-11-06 Inst Agrotechnologisch Onderzoek Ato Dlo Improved synthesis of anhydroglycitol esters with improved color.
FR2810040B1 (en) * 2000-06-09 2004-04-09 Roquette Freres PROCESS FOR PURIFYING A COMPOSITION CONTAINING AT LEAST ONE PRODUCT OF INTERNAL DEHYDRATION OF A HYDROGENIC SUGAR

Also Published As

Publication number Publication date
FI79306B (en) 1989-08-31
ES506841A0 (en) 1983-01-16
ES8302039A1 (en) 1983-01-16
YU262381A (en) 1983-06-30
BR8107183A (en) 1982-07-20
DE3170424D1 (en) 1985-06-13
EP0052295A2 (en) 1982-05-26
DE3041673C2 (en) 1983-12-08
DK452581A (en) 1982-05-06
EP0052295B1 (en) 1985-05-08
DE3041673A1 (en) 1982-06-03
EP0052295A3 (en) 1982-08-25
ZA817113B (en) 1982-09-29
YU42591B (en) 1988-10-31
FI79306C (en) 1989-12-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: CPC INTERNATIONAL INC.