JPS5719117B2 - - Google Patents
Info
- Publication number
- JPS5719117B2 JPS5719117B2 JP5934380A JP5934380A JPS5719117B2 JP S5719117 B2 JPS5719117 B2 JP S5719117B2 JP 5934380 A JP5934380 A JP 5934380A JP 5934380 A JP5934380 A JP 5934380A JP S5719117 B2 JPS5719117 B2 JP S5719117B2
- Authority
- JP
- Japan
- 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
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
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- 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
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- 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)
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 |
---|---|
JPS55149286A JPS55149286A (en) | 1980-11-20 |
JPS5719117B2 true JPS5719117B2 (en, 2012) | 1982-04-20 |
Family
ID=25185352
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53066593A Expired JPS5845432B2 (ja) | 1977-06-03 | 1978-06-02 | アスコルビン酸の製造方法 |
JP5934380A Granted JPS55149286A (en) | 1977-06-03 | 1980-05-02 | Intermediate for manufacturing ascorbic acid |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53066593A Expired JPS5845432B2 (ja) | 1977-06-03 | 1978-06-02 | アスコルビン酸の製造方法 |
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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (15)
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 |
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 |
-
1977
- 1977-06-03 US US05/803,020 patent/US4111958A/en not_active Expired - Lifetime
-
1978
- 1978-06-01 IE IE1103/78A patent/IE47102B1/en unknown
- 1978-06-02 DK DK248178A patent/DK248178A/da not_active Application Discontinuation
- 1978-06-02 IT IT7824178A patent/IT1098308B/it active
- 1978-06-02 JP JP53066593A patent/JPS5845432B2/ja not_active Expired
- 1978-06-02 EP EP78300014A patent/EP0000092B1/en not_active Expired
- 1978-06-02 DE DE7878300014T patent/DE2860636D1/de not_active Expired
-
1980
- 1980-05-02 JP JP5934380A patent/JPS55149286A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
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 |
IE47102B1 (en) | 1983-12-28 |
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 |