DK158265C - Fremgangsmaade til fremstilling af en lacton - Google Patents
Fremgangsmaade til fremstilling af en lactonInfo
- Publication number
- DK158265C DK158265C DK217785A DK217785A DK158265C DK 158265 C DK158265 C DK 158265C DK 217785 A DK217785 A DK 217785A DK 217785 A DK217785 A DK 217785A DK 158265 C DK158265 C DK 158265C
- Authority
- DK
- Denmark
- Prior art keywords
- lacton
- procedure
- manufacturing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, 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
- C07D233/30—Oxygen or sulfur atoms
- C07D233/32—One oxygen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH245884 | 1984-05-18 | ||
CH245884 | 1984-05-18 | ||
CH82585 | 1985-02-22 | ||
CH82585 | 1985-02-22 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK217785D0 DK217785D0 (da) | 1985-05-15 |
DK217785A DK217785A (da) | 1985-11-19 |
DK158265B DK158265B (da) | 1990-04-23 |
DK158265C true DK158265C (da) | 1990-10-08 |
Family
ID=25685807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK217785A DK158265C (da) | 1984-05-18 | 1985-05-15 | Fremgangsmaade til fremstilling af en lacton |
Country Status (5)
Country | Link |
---|---|
US (1) | US4687859A (da) |
EP (1) | EP0161580B1 (da) |
JP (1) | JPH0631240B2 (da) |
DE (1) | DE3580390D1 (da) |
DK (1) | DK158265C (da) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH670644A5 (da) * | 1986-12-18 | 1989-06-30 | Lonza Ag | |
CH671227A5 (da) * | 1986-12-02 | 1989-08-15 | Lonza Ag | |
US5162540A (en) * | 1986-12-18 | 1992-11-10 | Lonza Ltd. | Process for the production of (+) biotin |
FI95034C (fi) * | 1989-03-15 | 1995-12-11 | Lonza Ag | Menetelmä 1,3-substituoidun tetrahydro-1H-tieno/3,4-d/-imidatsol-2(3H)-on-4-ylideenipentaanihappoesterin valmistamiseksi |
CA2334746A1 (en) * | 2000-02-09 | 2001-08-09 | Sumitomo Chemical Co., Ltd. | Process for producing optically active hemiesters |
JP2006524204A (ja) * | 2003-04-22 | 2006-10-26 | ディーエスエム アイピー アセッツ ビー.ブイ. | ラクトンの立体選択的な合成方法 |
CN103524514B (zh) * | 2013-10-25 | 2016-03-02 | 东北制药集团股份有限公司 | (3aS,6aR)-1,3-二苯甲基-四氢-1H-呋喃并[3,4-d]咪唑-2,4-二酮的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700659A (en) * | 1970-11-17 | 1972-10-24 | Hoffmann La Roche | (+)-cis - 1,3-dibenzyl-hexahydro-1h-furo-(3,4-d)imidazole - 2,4 - dione,processes and intermediates |
JPS603387B2 (ja) * | 1980-07-10 | 1985-01-28 | 住友化学工業株式会社 | 新規光学活性イミダゾリジン−2−オン誘導体およびその製法 |
US4496739A (en) * | 1982-01-27 | 1985-01-29 | Sumitomo Chemical Company, Limited | Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione |
DE3382001D1 (de) * | 1982-04-16 | 1990-12-20 | Sumitomo Chemical Co | Verfahren zur herstellung optisch aktiver halbester. |
-
1985
- 1985-05-02 EP EP85105310A patent/EP0161580B1/de not_active Expired - Lifetime
- 1985-05-02 DE DE8585105310T patent/DE3580390D1/de not_active Expired - Lifetime
- 1985-05-15 DK DK217785A patent/DK158265C/da not_active IP Right Cessation
- 1985-05-15 US US06/734,307 patent/US4687859A/en not_active Expired - Lifetime
- 1985-05-15 JP JP60101638A patent/JPH0631240B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0161580B1 (de) | 1990-11-07 |
DK217785A (da) | 1985-11-19 |
DK158265B (da) | 1990-04-23 |
EP0161580A2 (de) | 1985-11-21 |
EP0161580A3 (en) | 1987-05-13 |
JPS60255790A (ja) | 1985-12-17 |
DE3580390D1 (de) | 1990-12-13 |
JPH0631240B2 (ja) | 1994-04-27 |
US4687859A (en) | 1987-08-18 |
DK217785D0 (da) | 1985-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment | ||
AHB | Application shelved due to non-payment | ||
PBP | Patent lapsed |