GB1561324A - Reduction of 2,5 - diketogluconic acid - Google Patents

Reduction of 2,5 - diketogluconic acid Download PDF

Info

Publication number
GB1561324A
GB1561324A GB51415/77A GB5141577A GB1561324A GB 1561324 A GB1561324 A GB 1561324A GB 51415/77 A GB51415/77 A GB 51415/77A GB 5141577 A GB5141577 A GB 5141577A GB 1561324 A GB1561324 A GB 1561324A
Authority
GB
United Kingdom
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
GB51415/77A
Other languages
English (en)
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
Publication of GB1561324A publication Critical patent/GB1561324A/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)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (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)
GB51415/77A 1976-12-10 1977-12-09 Reduction of 2,5 - diketogluconic acid Expired GB1561324A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
GB1561324A true GB1561324A (en) 1980-02-20

Family

ID=27115134

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51415/77A Expired GB1561324A (en) 1976-12-10 1977-12-09 Reduction of 2,5 - diketogluconic acid

Country Status (29)

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

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
JPS569495B2 (de) 1981-03-02
DK157139B (da) 1989-11-13
NZ185917A (en) 1980-03-05
PL114409B1 (en) 1981-01-31
PT67381B (en) 1979-05-18
SE7713979L (sv) 1978-06-11
DK549477A (da) 1978-06-11
BR7708220A (pt) 1978-08-15
JPS5384916A (en) 1978-07-26
AR218278A1 (es) 1980-05-30
ES464780A1 (es) 1979-06-01
MX4533E (es) 1982-06-03
DK157139C (da) 1990-04-16
LU78666A1 (fr) 1979-06-13
NL170288B (nl) 1982-05-17
ATA882177A (de) 1979-06-15
PT67381A (en) 1978-01-01
NL170288C (nl) 1982-10-18
AT354470B (de) 1979-01-10
DE2754719C3 (de) 1980-11-20
IE46106L (en) 1978-06-10
DE2754719B2 (de) 1980-03-27
DD135204A5 (de) 1979-04-18
NO774233L (no) 1978-06-13
FI773722A (fi) 1978-06-11
HU178688B (en) 1982-06-28
IT1192212B (it) 1988-03-31
PL202800A1 (pl) 1978-08-28
PH13701A (en) 1980-09-08
NL7713365A (nl) 1978-06-13
TR19706A (tr) 1979-10-11
DE2754719A1 (de) 1978-06-15
AU498866B1 (en) 1979-03-29
FR2373511B1 (de) 1980-06-06
IE46106B1 (en) 1983-02-23
CH629470A5 (en) 1982-04-30
FR2373511A1 (fr) 1978-07-07
YU285077A (en) 1982-08-31
CA1110637A (en) 1981-10-13
CS208738B2 (en) 1981-09-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921209