IE47102B1 - Method of preparing ascorbic acid and intermediates specially adapted for use therein - Google Patents

Method of preparing ascorbic acid and intermediates specially adapted for use therein

Info

Publication number
IE47102B1
IE47102B1 IE1103/78A IE110378A IE47102B1 IE 47102 B1 IE47102 B1 IE 47102B1 IE 1103/78 A IE1103/78 A IE 1103/78A IE 110378 A IE110378 A IE 110378A IE 47102 B1 IE47102 B1 IE 47102B1
Authority
IE
Ireland
Prior art keywords
lactone
carbon atoms
alkyl
aldehyde
hydroxyl
Prior art date
Application number
IE1103/78A
Other languages
English (en)
Other versions
IE781103L (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25185352&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IE47102(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pfizer filed Critical Pfizer
Publication of IE781103L publication Critical patent/IE781103L/xx
Publication of IE47102B1 publication Critical patent/IE47102B1/en

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
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • 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
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
    • C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
    • C07D407/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • 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
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • 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
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IE1103/78A 1977-06-03 1978-06-01 Method of preparing ascorbic acid and intermediates specially adapted for use therein IE47102B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/803,020 US4111958A (en) 1977-06-03 1977-06-03 Ascorbic acid synthesis

Publications (2)

Publication Number Publication Date
IE781103L IE781103L (en) 1978-12-03
IE47102B1 true IE47102B1 (en) 1983-12-28

Family

ID=25185352

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1103/78A IE47102B1 (en) 1977-06-03 1978-06-01 Method of preparing ascorbic acid and intermediates specially adapted for use therein

Country Status (7)

Country Link
US (1) US4111958A (en, 2012)
EP (1) EP0000092B1 (en, 2012)
JP (2) JPS5845432B2 (en, 2012)
DE (1) DE2860636D1 (en, 2012)
DK (1) DK248178A (en, 2012)
IE (1) IE47102B1 (en, 2012)
IT (1) IT1098308B (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232168A (en) * 1977-06-13 1980-11-04 Pfizer Inc. Preparation of ascorbic acid intermediates
US4283340A (en) * 1977-06-13 1981-08-11 Pfizer Inc. Ascorbic acid intermediates
US4421924A (en) * 1980-05-05 1983-12-20 Pfizer Inc. Ascorbic acid intermediates and their preparation
JPS57501581A (en, 2012) * 1980-08-14 1982-09-02
US4423236A (en) * 1980-08-14 1983-12-27 National Foundation For Cancer Research, Inc. 5,6,-0-Isoalkylidene ascorbic acid derivatives
US4552888A (en) * 1982-01-15 1985-11-12 Eli Lilly And Company Ascorbic acid ethers in angiogene
DK36784A (da) * 1983-02-25 1984-08-26 Hoffmann La Roche Fremgangsmaade til fremstilling af chirale aldehyder
US4931558A (en) * 1983-09-21 1990-06-05 Eli Lilly And Company Processes for preparing intermediates of picenadol
JPS61192907U (en, 2012) * 1985-05-24 1986-12-01
JPS6244712U (en, 2012) * 1985-09-09 1987-03-18
JPS63114705U (en, 2012) * 1987-01-20 1988-07-23
US4845246A (en) * 1987-06-15 1989-07-04 Takeda Chemical Industries, Ltd. Ascorbic acid ester
US5569875A (en) * 1992-03-16 1996-10-29 Legend Products Corporation Methods of making explosive compositions, and the resulting products
US5442079A (en) * 1993-05-10 1995-08-15 Virginia Polytechnic Institute And State University Method for preparing erythruronolactone
FR2761991B1 (fr) 1997-04-11 1999-06-25 Ceca Sa 5-6,o alkylidenes gluconolactones-1(4) et derives, procedes de preparation et utilisations
US6610863B2 (en) 2000-12-22 2003-08-26 Eastman Chemical Company Continuous process for producing L-ascorbic acid
DE10231890B4 (de) * 2002-07-12 2004-07-01 Basf Ag Verfahren zur Abtrennung von Ascorbinsäure aus einem polaren, Ascorbinsäure und 2-Keto-L-gulonsäure enthaltenden Lösungsmittel
KR101630654B1 (ko) * 2012-07-20 2016-06-15 후지필름 가부시키가이샤 에칭방법, 이것을 사용한 반도체 기판 제품 및 반도체 소자의 제조방법

Also Published As

Publication number Publication date
JPS5719117B2 (en, 2012) 1982-04-20
IT7824178A0 (it) 1978-06-02
JPS543058A (en) 1979-01-11
EP0000092B1 (en) 1981-04-29
JPS5845432B2 (ja) 1983-10-08
US4111958A (en) 1978-09-05
JPS55149286A (en) 1980-11-20
IE781103L (en) 1978-12-03
EP0000092A1 (en) 1978-12-20
DE2860636D1 (en) 1981-08-06
IT1098308B (it) 1985-09-07
DK248178A (da) 1978-12-04

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