ATE116978T1 - Selektive veretherung. - Google Patents
Selektive veretherung.Info
- Publication number
- ATE116978T1 ATE116978T1 AT90100972T AT90100972T ATE116978T1 AT E116978 T1 ATE116978 T1 AT E116978T1 AT 90100972 T AT90100972 T AT 90100972T AT 90100972 T AT90100972 T AT 90100972T AT E116978 T1 ATE116978 T1 AT E116978T1
- Authority
- AT
- Austria
- Prior art keywords
- carbon atoms
- chem
- hydrogen
- alkyl
- acetal
- Prior art date
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)
- Cosmetics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1275589 | 1989-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE116978T1 true ATE116978T1 (de) | 1995-01-15 |
Family
ID=11814224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90100972T ATE116978T1 (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)
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)
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 |
-
1990
- 1990-01-11 JP JP2005146A patent/JP2830268B2/ja not_active Expired - Lifetime
- 1990-01-18 AT AT90100972T patent/ATE116978T1/de active
- 1990-01-18 DE DE69015831T patent/DE69015831T2/de not_active Expired - Fee Related
- 1990-01-18 EP EP90100972A patent/EP0379968B1/de not_active Expired - Lifetime
- 1990-01-19 CA CA002008125A patent/CA2008125A1/en not_active Abandoned
- 1990-01-19 KR KR1019900000633A patent/KR900011751A/ko active IP Right Grant
- 1990-01-19 HU HU90204A patent/HU208533B/hu not_active IP Right Cessation
- 1990-01-19 US US07/467,419 patent/US5008405A/en not_active Expired - Fee Related
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 |
EP0379968A3 (de) | 1991-02-06 |
DE69015831D1 (de) | 1995-02-23 |
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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