DE69015831D1 - Selektive Veretherung. - Google Patents

Selektive Veretherung.

Info

Publication number
DE69015831D1
DE69015831D1 DE69015831T DE69015831T DE69015831D1 DE 69015831 D1 DE69015831 D1 DE 69015831D1 DE 69015831 T DE69015831 T DE 69015831T DE 69015831 T DE69015831 T DE 69015831T DE 69015831 D1 DE69015831 D1 DE 69015831D1
Authority
DE
Germany
Prior art keywords
carbon atoms
chem
hydrogen
alkyl
acetal
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 - Fee Related
Application number
DE69015831T
Other languages
English (en)
Other versions
DE69015831T2 (de
Inventor
Chitoshi Hatanaka
Satoru Oi
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.)
Takeda Pharmaceutical Co Ltd
Original Assignee
Takeda Chemical Industries Ltd
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 Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd
Application granted granted Critical
Publication of DE69015831D1 publication Critical patent/DE69015831D1/de
Publication of DE69015831T2 publication Critical patent/DE69015831T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69015831T 1989-01-21 1990-01-18 Selektive Veretherung. Expired - Fee Related DE69015831T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1275589 1989-01-21

Publications (2)

Publication Number Publication Date
DE69015831D1 true DE69015831D1 (de) 1995-02-23
DE69015831T2 DE69015831T2 (de) 1995-07-27

Family

ID=11814224

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015831T Expired - Fee Related DE69015831T2 (de) 1989-01-21 1990-01-18 Selektive Veretherung.

Country Status (8)

Country Link
US (1) US5008405A (de)
EP (1) EP0379968B1 (de)
JP (1) JP2830268B2 (de)
KR (1) KR900011751A (de)
AT (1) ATE116978T1 (de)
CA (1) CA2008125A1 (de)
DE (1) DE69015831T2 (de)
HU (1) HU208533B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5399721A (en) * 1990-01-12 1995-03-21 The Ohio State University Research Foundation Synthesis of optically pure 4-aryl-2-hydroxytetronic acids
US5504108A (en) * 1990-01-12 1996-04-02 The Ohio State University Research Foundation Optically pure 4-aryl-2-hydroxytetronic acids
US5656662A (en) * 1990-01-12 1997-08-12 The Ohio State University Research Foundation Synthesis of optically pure 4-alkenyl- or 4-alkanyl-2-hydroxytetronic acids
US5504107A (en) * 1990-01-12 1996-04-02 The Ohio State University Research Foundation Optically pure 4-alkenyl- or 4-alkanyl-2-hydroxytetronic acids and pharmaceutical use thereof
US5399717A (en) * 1993-09-29 1995-03-21 Merck & Co., Inc. Glycosidation route to 4"-epi-methylamino-4"-deoxyavermectin B1
JPH08134055A (ja) * 1994-11-08 1996-05-28 Nippon High Potsukusu:Kk ３−ｏ−置換アスコルビン酸の製造方法
CN1295567A (zh) * 1998-03-27 2001-05-16 株式会社Lg化学 作为新型抗氧剂的聚乙氧基化抗坏血酸衍生物及其制备方法
KR100500503B1 (ko) * 2001-05-30 2005-07-14 (주)코스몰 결정성 3-0-알킬아스코르빈산의 제조방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552888A (en) * 1982-01-15 1985-11-12 Eli Lilly And Company Ascorbic acid ethers in angiogene
JPS60130582A (ja) * 1983-12-19 1985-07-12 Takeda Chem Ind Ltd 食品用酸化防止剤，アスコルビン酸誘導体およびその製造法
ZA852614B (en) * 1985-05-17 1986-10-09 Takeda Chemical Industries, Ltd. Ascorbic acid ethers and their production
JP2515556B2 (ja) * 1986-08-29 1996-07-10 武田薬品工業株式会社 ヒドロキシブテノライド誘導体およびその製造法

Also Published As

Publication number Publication date
DE69015831T2 (de) 1995-07-27
CA2008125A1 (en) 1990-07-21
HU900204D0 (en) 1990-03-28
KR900011751A (ko) 1990-08-02
ATE116978T1 (de) 1995-01-15
EP0379968A3 (de) 1991-02-06
EP0379968B1 (de) 1995-01-11
EP0379968A2 (de) 1990-08-01
JP2830268B2 (ja) 1998-12-02
JPH02275874A (ja) 1990-11-09
HUT53628A (en) 1990-11-28
US5008405A (en) 1991-04-16
HU208533B (en) 1993-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee