IT7819788A0 - Procedimento per fabbricazione dicomposti eterociclici e di biotina - Google Patents

Procedimento per fabbricazione dicomposti eterociclici e di biotina

Info

Publication number
IT7819788A0
IT7819788A0 IT7819788A IT1978878A IT7819788A0 IT 7819788 A0 IT7819788 A0 IT 7819788A0 IT 7819788 A IT7819788 A IT 7819788A IT 1978878 A IT1978878 A IT 1978878A IT 7819788 A0 IT7819788 A0 IT 7819788A0
Authority
IT
Italy
Prior art keywords
biotin
procedure
manufacture
heterocyclic compounds
heterocyclic
Prior art date
Application number
IT7819788A
Other languages
English (en)
Other versions
IT1158447B (it
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 IT7819788A0 publication Critical patent/IT7819788A0/it
Application granted granted Critical
Publication of IT1158447B publication Critical patent/IT1158447B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D495/00Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/02Heterocyclic 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
    • C07D495/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/78Heterocyclic 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
    • C07D333/80Seven-membered rings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design 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)
IT19788/78A 1977-02-23 1978-01-30 Procedimento per fabbricazione di composti eterociclici e di biotina IT1158447B (it)

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 (2)

Publication Number Publication Date
IT7819788A0 true IT7819788A0 (it) 1978-01-30
IT1158447B IT1158447B (it) 1987-02-18

Family

ID=25091099

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19788/78A IT1158447B (it) 1977-02-23 1978-01-30 Procedimento per fabbricazione di composti eterociclici e di biotina

Country Status (9)

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

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
NL7802057A (nl) 1978-08-25
ATA128278A (de) 1981-10-15
AT367056B (de) 1982-05-25
JPS53105496A (en) 1978-09-13
IT1158447B (it) 1987-02-18
FR2381771A1 (fr) 1978-09-22
DE2807200A1 (de) 1978-08-31
US4124595A (en) 1978-11-07
BE864180A (fr) 1978-08-22
GB1599785A (en) 1981-10-07
US4062868A (en) 1977-12-13

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