BE864180A - Composes heterocycliques contenant de l'azote et du soufre, utiles dans la preparation de la biotine - Google Patents

Composes heterocycliques contenant de l'azote et du soufre, utiles dans la preparation de la biotine

Info

Publication number
BE864180A
BE864180A BE185357A BE185357A BE864180A BE 864180 A BE864180 A BE 864180A BE 185357 A BE185357 A BE 185357A BE 185357 A BE185357 A BE 185357A BE 864180 A BE864180 A BE 864180A
Authority
BE
Belgium
Prior art keywords
biotin
sulfur
useful
preparation
compounds containing
Prior art date
Application number
BE185357A
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.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of BE864180A publication Critical patent/BE864180A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D495/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/78—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems condensed with rings other than six-membered or with ring systems containing such rings
    • C07D333/80—Seven-membered rings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
BE185357A 1977-02-23 1978-02-22 Composes heterocycliques contenant de l'azote et du soufre, utiles dans la preparation de la biotine BE864180A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/771,218 US4062868A (en) 1977-02-23 1977-02-23 Synthesis of biotin

Publications (1)

Publication Number Publication Date
BE864180A true BE864180A (fr) 1978-08-22

Family

ID=25091099

Family Applications (1)

Application Number Title Priority Date Filing Date
BE185357A BE864180A (fr) 1977-02-23 1978-02-22 Composes heterocycliques contenant de l'azote et du soufre, utiles dans la preparation de la biotine

Country Status (9)

Country Link
US (2) US4062868A (fr)
JP (1) JPS53105496A (fr)
AT (1) AT367056B (fr)
BE (1) BE864180A (fr)
DE (1) DE2807200A1 (fr)
FR (1) FR2381771A1 (fr)
GB (1) GB1599785A (fr)
IT (1) IT1158447B (fr)
NL (1) NL7802057A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228295A (en) * 1977-02-23 1980-10-14 Hoffmann-La Roche Inc. Novel cycloheptathiophene intermediates for the synthesis of biotin
US4337345A (en) * 1977-08-05 1982-06-29 Hoffmann-La Roche Inc. Preparation of biotin via thieno [3,2c] isoxazoles
US4225506A (en) * 1978-05-30 1980-09-30 Hoffmann-La Roche Inc. Process for manufacturing a diketone
US4284557A (en) * 1979-05-29 1981-08-18 Hoffmann-La Roche Inc. Intermediate racemates for the preparation of biotin and a process for their preparation
US4247704A (en) * 1979-05-29 1981-01-27 Hoffmann-La Roche Inc. Hexahydro thieno imadazole intermediates for the synthesis of biotin
US4320056A (en) * 1980-05-15 1982-03-16 Hoffmann-La Roche Inc. Certain thia-diazatricyclo[3,3,3,08,11 ]tridecanes, and their preparation
US4382031A (en) * 1981-03-12 1983-05-03 Hoffmann-La Roche Inc. Intermediates for the preparation of biotin
US4468516A (en) * 1982-05-17 1984-08-28 Pfizer Inc. Process for the preparation of biotin
US4670564A (en) * 1985-03-14 1987-06-02 Pfizer Inc. Preparation of thieno-imidazole derivatives

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979396A (en) * 1973-12-03 1976-09-07 Hoffmann-La Roche Inc. Synthesis of biotin

Also Published As

Publication number Publication date
US4062868A (en) 1977-12-13
NL7802057A (nl) 1978-08-25
AT367056B (de) 1982-05-25
JPS53105496A (en) 1978-09-13
GB1599785A (en) 1981-10-07
ATA128278A (de) 1981-10-15
IT1158447B (it) 1987-02-18
US4124595A (en) 1978-11-07
DE2807200A1 (de) 1978-08-31
IT7819788A0 (it) 1978-01-30
FR2381771A1 (fr) 1978-09-22

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