DE3361577D1 - Process for preparing biotin - Google Patents

Process for preparing biotin

Info

Publication number
DE3361577D1
DE3361577D1 DE8383100397T DE3361577T DE3361577D1 DE 3361577 D1 DE3361577 D1 DE 3361577D1 DE 8383100397 T DE8383100397 T DE 8383100397T DE 3361577 T DE3361577 T DE 3361577T DE 3361577 D1 DE3361577 D1 DE 3361577D1
Authority
DE
Germany
Prior art keywords
preparing biotin
biotin
preparing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8383100397T
Other languages
German (de)
English (en)
Inventor
Naohito Ohashi
Takaharu Ikeda
Kozo Shimago
Takeo Takahashi
Kikuo Ishizumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Application granted granted Critical
Publication of DE3361577D1 publication Critical patent/DE3361577D1/de
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE8383100397T 1982-01-19 1983-01-18 Process for preparing biotin Expired DE3361577D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP725382A JPS58124791A (ja) 1982-01-19 1982-01-19 ビオチンの製造法

Publications (1)

Publication Number Publication Date
DE3361577D1 true DE3361577D1 (en) 1986-02-06

Family

ID=11660858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383100397T Expired DE3361577D1 (en) 1982-01-19 1983-01-18 Process for preparing biotin

Country Status (3)

Country Link
EP (1) EP0084377B1 (enExample)
JP (1) JPS58124791A (enExample)
DE (1) DE3361577D1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK43985A (da) * 1984-03-09 1985-09-10 Hoffmann La Roche Fremgangsmaade til fremstilling af heterocycliske forbindelser
CH670644A5 (enExample) * 1986-12-18 1989-06-30 Lonza Ag
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
DE4107121C1 (enExample) * 1991-03-06 1992-06-11 Merck Patent Gmbh, 6100 Darmstadt, De
CA2125820C (en) * 1993-07-08 2006-05-02 Masahiko Mizuno Process for producing thiophene derivative
DE4411101C2 (de) * 1994-03-30 1996-02-01 Merck Patent Gmbh Verfahren zur Herstellung eines D-(+)-Biotin-Zwischenproduktes
DE19712952A1 (de) * 1997-03-27 1998-10-01 Merck Patent Gmbh Verfahren zur Entbenzylierung von Dibenzylbiotin
DE19962661B4 (de) * 1998-12-24 2009-07-09 Sumitomo Chemical Co. Ltd. Verfahren zur Herstellung von Hexahydro-2-oxo-1H-thieno[3,4-d]-imidazol-4-pentansäure
US10138720B2 (en) 2017-03-17 2018-11-27 Energy Technology Group Method and system for perforating and fragmenting sediments using blasting material

Also Published As

Publication number Publication date
JPH0345077B2 (enExample) 1991-07-09
JPS58124791A (ja) 1983-07-25
EP0084377B1 (en) 1985-12-27
EP0084377A2 (en) 1983-07-27
EP0084377A3 (en) 1983-08-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee