BE759512A - Lactone - Google Patents

Lactone

Info

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
Application number
Other languages
English (en)
Original Assignee
Hoffmann La Roche
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.)
Publication date
Publication of BE759512A publication Critical patent/BE759512A/fr

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)
BE759512D 1969-11-29 Lactone BE759512A (fr)

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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
BE751784R (fr) Draaiknop
BE745669A (fr) Pulserend verbrandingssysteem
BE752294A (fr) Supraconducteurs
BE744024A (fr) Manipulateur-synthetiseur
BE753402A (fr) Tapstang
BE749371A (fr) Spectrofotometer
BE751497A (fr) Rejeteaux
AT306980B (de) Aeroionisator
BE748247A (fr) Electrocardiometre
BE759512A (fr) Lactone
BE748852A (fr) Audio-moniteur
BE750203A (fr) Roterend perforeerapparaat
BE752029A (fr) Bleekmiddel
BE747871A (fr) Weefmachine
BE750202A (de) Zelfklevend sluitetiket
BE747783R (fr) Elektrofotografisch
BE747731A (fr) Afhankelijk stroom-tijdrelais
BE747903A (fr) Spectraal gesensibiliseerd lichtgevoelig materiaal
BE750756A (fr) Photocomposeuse
BE752854A (fr) Beta-mercapto-gesubstitueerde alifatische nitrillen
RO59868A2 (fr) Machine pour cuieillir le foin
BE747782A (fr) Fotografisch veellagenkleurenmateriaal
BE752151A (fr) Filmcassette
BE749878A (fr) Volumemeters
BE749943A (fr) Zuurkast

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: F. HOFFMANN-LA ROCHE A.G.

Effective date: 19901127