CA1110637A - Reduction of 2,5-diketogluconic acid - Google Patents

Reduction of 2,5-diketogluconic acid

Info

Publication number
CA1110637A
CA1110637A CA292,668A CA292668A CA1110637A CA 1110637 A CA1110637 A CA 1110637A CA 292668 A CA292668 A CA 292668A CA 1110637 A CA1110637 A CA 1110637A
Authority
CA
Canada
Prior art keywords
acid
diketogluconate
mixture
sodium
alkali metal
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
CA292,668A
Other languages
English (en)
French (fr)
Inventor
Glenn C. Andrews
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.)
Pfizer Inc
Original Assignee
Pfizer 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
Priority claimed from US05/843,946 external-priority patent/US4159990A/en
Application filed by Pfizer Inc filed Critical Pfizer Inc
Application granted granted Critical
Publication of CA1110637A publication Critical patent/CA1110637A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three 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
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H7/00—Compounds containing non-saccharide radicals linked to saccharide radicals by a carbon-to-carbon bond
    • C07H7/02—Acyclic radicals
    • C07H7/027—Keto-aldonic acids
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Seasonings (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
CA292,668A 1976-12-10 1977-12-08 Reduction of 2,5-diketogluconic acid Expired CA1110637A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US74950976A 1976-12-10 1976-12-10
US749,509 1976-12-10
US05/843,946 US4159990A (en) 1976-12-10 1977-10-20 Reduction of 2,5-diketogluconic acid
US843,946 1977-10-20

Publications (1)

Publication Number Publication Date
CA1110637A true CA1110637A (en) 1981-10-13

Family

ID=27115134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292,668A Expired CA1110637A (en) 1976-12-10 1977-12-08 Reduction of 2,5-diketogluconic acid

Country Status (29)

Country Link
JP (1) JPS5384916A (pl)
AR (1) AR218278A1 (pl)
AT (1) AT354470B (pl)
AU (1) AU498866B1 (pl)
BR (1) BR7708220A (pl)
CA (1) CA1110637A (pl)
CH (1) CH629470A5 (pl)
CS (1) CS208738B2 (pl)
DD (1) DD135204A5 (pl)
DE (1) DE2754719C3 (pl)
DK (1) DK157139C (pl)
ES (1) ES464780A1 (pl)
FI (1) FI773722A (pl)
FR (1) FR2373511A1 (pl)
GB (1) GB1561324A (pl)
HU (1) HU178688B (pl)
IE (1) IE46106B1 (pl)
IT (1) IT1192212B (pl)
LU (1) LU78666A1 (pl)
MX (1) MX4533E (pl)
NL (1) NL170288C (pl)
NO (1) NO774233L (pl)
NZ (1) NZ185917A (pl)
PH (1) PH13701A (pl)
PL (1) PL114409B1 (pl)
PT (1) PT67381B (pl)
SE (1) SE7713979L (pl)
TR (1) TR19706A (pl)
YU (1) YU285077A (pl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154649C (da) * 1978-12-01 1989-05-08 Pfizer Fremgangsmaade til fremstilling af 2-ketogulonsyre

Also Published As

Publication number Publication date
DE2754719B2 (de) 1980-03-27
SE7713979L (sv) 1978-06-11
GB1561324A (en) 1980-02-20
IE46106B1 (en) 1983-02-23
TR19706A (tr) 1979-10-11
PH13701A (en) 1980-09-08
ATA882177A (de) 1979-06-15
JPS569495B2 (pl) 1981-03-02
DD135204A5 (de) 1979-04-18
IT1192212B (it) 1988-03-31
AU498866B1 (en) 1979-03-29
NL170288B (nl) 1982-05-17
NL170288C (nl) 1982-10-18
FI773722A (fi) 1978-06-11
NL7713365A (nl) 1978-06-13
FR2373511A1 (fr) 1978-07-07
CS208738B2 (en) 1981-09-15
AT354470B (de) 1979-01-10
NZ185917A (en) 1980-03-05
PT67381B (en) 1979-05-18
YU285077A (en) 1982-08-31
DK549477A (da) 1978-06-11
CH629470A5 (en) 1982-04-30
DK157139C (da) 1990-04-16
AR218278A1 (es) 1980-05-30
JPS5384916A (en) 1978-07-26
HU178688B (en) 1982-06-28
DE2754719C3 (de) 1980-11-20
MX4533E (es) 1982-06-03
PT67381A (en) 1978-01-01
ES464780A1 (es) 1979-06-01
IE46106L (en) 1978-06-10
PL202800A1 (pl) 1978-08-28
PL114409B1 (en) 1981-01-31
LU78666A1 (fr) 1979-06-13
DE2754719A1 (de) 1978-06-15
BR7708220A (pt) 1978-08-15
DK157139B (da) 1989-11-13
FR2373511B1 (pl) 1980-06-06
NO774233L (no) 1978-06-13

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