AR222347A1 - Procedimiento mejorado para la preparacion de acidos ascorbico y eritorzico - Google Patents

Procedimiento mejorado para la preparacion de acidos ascorbico y eritorzico

Info

Publication number
AR222347A1
AR222347A1 AR278161A AR27816179A AR222347A1 AR 222347 A1 AR222347 A1 AR 222347A1 AR 278161 A AR278161 A AR 278161A AR 27816179 A AR27816179 A AR 27816179A AR 222347 A1 AR222347 A1 AR 222347A1
Authority
AR
Argentina
Prior art keywords
eritorzic
ascorbic
acids
preparation
improved procedure
Prior art date
Application number
AR278161A
Other languages
English (en)
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of AR222347A1 publication Critical patent/AR222347A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic 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
    • C07D307/56Heterocyclic 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
    • C07D307/62Three oxygen atoms, e.g. ascorbic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AR278161A 1978-09-22 1979-09-21 Procedimiento mejorado para la preparacion de acidos ascorbico y eritorzico AR222347A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/945,034 US4180511A (en) 1978-09-22 1978-09-22 Ascorbic acid process

Publications (1)

Publication Number Publication Date
AR222347A1 true AR222347A1 (es) 1981-05-15

Family

ID=25482512

Family Applications (1)

Application Number Title Priority Date Filing Date
AR278161A AR222347A1 (es) 1978-09-22 1979-09-21 Procedimiento mejorado para la preparacion de acidos ascorbico y eritorzico

Country Status (16)

Country Link
US (1) US4180511A (es)
JP (1) JPS5545689A (es)
AR (1) AR222347A1 (es)
AU (1) AU514670B2 (es)
BE (1) BE878930A (es)
DE (1) DE2937517A1 (es)
DK (1) DK303779A (es)
ES (1) ES484339A1 (es)
FR (1) FR2436784A1 (es)
GB (1) GB2030145A (es)
IT (1) IT1123732B (es)
LU (1) LU81707A1 (es)
NL (1) NL7907041A (es)
PL (1) PL117376B1 (es)
SE (1) SE7907807L (es)
ZA (1) ZA795027B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276219A (en) * 1979-07-20 1981-06-30 Pfizer Inc. 5-Keto-L-ascorbic acid-5,5-dimethyl ketal, derivatives thereof and its use as an antioxidant and intermediate
CH678057A5 (de) * 1989-06-26 1991-07-31 Enco Eng Ag Verfahren zur herstellung von natrium- oder kalium-l-ascorbat.
DE19938980A1 (de) * 1999-08-19 2001-02-22 Basf Ag Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721663A (en) * 1970-03-02 1973-03-20 Merck & Co Inc Novel method for preparing ascorbic acid compounds and novel intermediates for preparing same

Also Published As

Publication number Publication date
PL218371A1 (es) 1980-05-05
DE2937517A1 (de) 1980-03-27
GB2030145A (en) 1980-04-02
IT7925884A0 (it) 1979-09-20
ES484339A1 (es) 1980-05-16
US4180511A (en) 1979-12-25
LU81707A1 (fr) 1980-04-21
IT1123732B (it) 1986-04-30
NL7907041A (nl) 1980-03-25
BE878930A (fr) 1980-03-21
AU5103379A (en) 1980-03-27
PL117376B1 (en) 1981-07-31
SE7907807L (sv) 1980-03-23
AU514670B2 (en) 1981-02-19
ZA795027B (en) 1980-09-24
FR2436784A1 (fr) 1980-04-18
DK303779A (da) 1980-03-23
JPS5545689A (en) 1980-03-31

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