FR2358407A1 - Procede pour la preparation de derives de thiophene - Google Patents

Procede pour la preparation de derives de thiophene

Info

Publication number
FR2358407A1
FR2358407A1 FR7721148A FR7721148A FR2358407A1 FR 2358407 A1 FR2358407 A1 FR 2358407A1 FR 7721148 A FR7721148 A FR 7721148A FR 7721148 A FR7721148 A FR 7721148A FR 2358407 A1 FR2358407 A1 FR 2358407A1
Authority
FR
France
Prior art keywords
biotin
preparation
thiophene derivatives
hydrogenation
catalytic
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.)
Granted
Application number
FR7721148A
Other languages
English (en)
French (fr)
Other versions
FR2358407B1 (enExample
Inventor
Janis Vasilevskis
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of FR2358407A1 publication Critical patent/FR2358407A1/fr
Application granted granted Critical
Publication of FR2358407B1 publication Critical patent/FR2358407B1/fr
Granted 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)
FR7721148A 1976-07-12 1977-07-08 Procede pour la preparation de derives de thiophene Granted FR2358407A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70415776A 1976-07-12 1976-07-12

Publications (2)

Publication Number Publication Date
FR2358407A1 true FR2358407A1 (fr) 1978-02-10
FR2358407B1 FR2358407B1 (enExample) 1981-07-03

Family

ID=24828321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7721148A Granted FR2358407A1 (fr) 1976-07-12 1977-07-08 Procede pour la preparation de derives de thiophene

Country Status (10)

Country Link
US (1) US4130712A (enExample)
JP (1) JPS539790A (enExample)
AT (1) AT368503B (enExample)
BE (1) BE856676A (enExample)
CH (1) CH629495A5 (enExample)
DE (1) DE2730341A1 (enExample)
FR (1) FR2358407A1 (enExample)
GB (2) GB1582466A (enExample)
IT (1) IT1143742B (enExample)
NL (1) NL7707737A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633263A3 (en) * 1993-07-08 1995-02-22 Sumitomo Chemical Co Process for the preparation of thiophene derivatives.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070278453A1 (en) * 2006-06-02 2007-12-06 Steffen Zahn Electrically conductive polymers and method of making electrically conductive polymers
EP4495123A1 (en) * 2023-07-19 2025-01-22 DSM IP Assets B.V. An improved process for producing d-biotin intermediates

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502422A (en) * 1945-02-09 1950-04-04 Parke Davis & Co 2'-keto-3, 4-imidazolido-2-omega-substituted alkyl thiophenes and process for obtaining same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2487051A (en) * 1945-12-15 1949-11-08 Merck & Co Inc Biotin intermediate and hydrogenating thiophenes
US4054740A (en) * 1974-12-24 1977-10-18 Hoffmann-La Roche Inc. Hydroxybiotin

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502422A (en) * 1945-02-09 1950-04-04 Parke Davis & Co 2'-keto-3, 4-imidazolido-2-omega-substituted alkyl thiophenes and process for obtaining same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1975 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0633263A3 (en) * 1993-07-08 1995-02-22 Sumitomo Chemical Co Process for the preparation of thiophene derivatives.
US5498721A (en) * 1993-07-08 1996-03-12 Sumitomo Chemical Company, Limited Process for producing thiophene derivatives

Also Published As

Publication number Publication date
GB1582467A (en) 1981-01-07
FR2358407B1 (enExample) 1981-07-03
DE2730341A1 (de) 1978-01-26
IT1143742B (it) 1986-10-22
BE856676A (fr) 1978-01-11
GB1582466A (en) 1981-01-07
CH629495A5 (de) 1982-04-30
US4130712A (en) 1978-12-19
NL7707737A (nl) 1978-01-16
JPS539790A (en) 1978-01-28
ATA495277A (de) 1982-02-15
AT368503B (de) 1982-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse