BE759512A - Lactone - Google Patents
LactoneInfo
- Publication number
- BE759512A BE759512A BE759512DA BE759512A BE 759512 A BE759512 A BE 759512A BE 759512D A BE759512D A BE 759512DA BE 759512 A BE759512 A BE 759512A
- Authority
- BE
- Belgium
- Prior art keywords
- lactone
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
- C07J43/003—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton not condensed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Steroid Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1777269A CH565798A5 (fr) | 1969-11-29 | 1969-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE759512A true BE759512A (fr) | 1971-05-27 |
Family
ID=4427992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE759512D BE759512A (fr) | 1969-11-29 | Lactone |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4932551B1 (fr) |
BE (1) | BE759512A (fr) |
CA (1) | CA983938A (fr) |
CH (1) | CH565798A5 (fr) |
DE (1) | DE2058248C3 (fr) |
DK (1) | DK143109C (fr) |
FR (1) | FR2077539B1 (fr) |
GB (1) | GB1287839A (fr) |
NL (1) | NL159385B (fr) |
SE (1) | SE391718B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3268046D1 (en) * | 1981-12-07 | 1986-01-30 | Hoffmann La Roche | Process for the preparation of an optically active lactone, and starting products for the process |
DE3150723A1 (de) * | 1981-12-22 | 1983-06-30 | Basf Ag, 6700 Ludwigshafen | Verbessertes verfahren zur herstellung von 1,3-disubstituierten 4,5-cis-dicarboxy-2-imidazolidonen |
CH670644A5 (fr) * | 1986-12-18 | 1989-06-30 | Lonza Ag | |
CH671227A5 (fr) * | 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 |
FI935609A (fi) * | 1992-12-18 | 1994-06-19 | Lonza Ag | Dihydrofuroimidatsolijohdannaisten asymmetrinen hydraus |
AU6679494A (en) * | 1993-04-20 | 1994-11-08 | Lonza Ltd. | Asymmetric hydrogenation of furoimidazole derivatives |
CA2122511A1 (fr) * | 1993-05-14 | 1994-11-15 | John Mcgarrity | Hydrogenation asymetrique de derives furoimidazoliques |
DE10033284A1 (de) * | 2000-07-07 | 2002-01-17 | Merck Patent Gmbh | Verfahren zur Herstellung von (+)-Biotin |
TW200300676A (en) | 2001-12-04 | 2003-06-16 | Tanabe Seiyaku Co | Biotin intermediate and its production |
CN113121549B (zh) * | 2019-12-31 | 2022-08-26 | 江西天新药业股份有限公司 | 立体选择性合成手性内酯的方法和手性化合物及其应用 |
-
0
- BE BE759512D patent/BE759512A/fr not_active IP Right Cessation
-
1969
- 1969-11-29 CH CH1777269A patent/CH565798A5/xx not_active IP Right Cessation
-
1970
- 1970-10-20 NL NL7015355A patent/NL159385B/xx not_active IP Right Cessation
- 1970-11-18 CA CA098,431A patent/CA983938A/en not_active Expired
- 1970-11-26 FR FR7042500A patent/FR2077539B1/fr not_active Expired
- 1970-11-26 DE DE19702058248 patent/DE2058248C3/de not_active Expired
- 1970-11-27 GB GB5640770A patent/GB1287839A/en not_active Expired
- 1970-11-27 SE SE1613270A patent/SE391718B/xx unknown
- 1970-11-27 DK DK607170A patent/DK143109C/da not_active IP Right Cessation
- 1970-11-28 JP JP10450970A patent/JPS4932551B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2058248C3 (de) | 1980-12-18 |
SE391718B (sv) | 1977-02-28 |
NL7015355A (fr) | 1971-06-02 |
GB1287839A (fr) | 1972-09-06 |
DE2058248B2 (de) | 1980-04-10 |
CA983938A (en) | 1976-02-17 |
CH565798A5 (fr) | 1975-08-29 |
DE2058248A1 (de) | 1971-06-09 |
JPS4932551B1 (fr) | 1974-08-31 |
FR2077539A1 (fr) | 1971-10-29 |
FR2077539B1 (fr) | 1973-02-02 |
DK143109C (da) | 1981-09-21 |
NL159385B (nl) | 1979-02-15 |
DK143109B (da) | 1981-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: F. HOFFMANN-LA ROCHE A.G. Effective date: 19901127 |