ES451290A1 - A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES451290A1
ES451290A1 ES451290A ES451290A ES451290A1 ES 451290 A1 ES451290 A1 ES 451290A1 ES 451290 A ES451290 A ES 451290A ES 451290 A ES451290 A ES 451290A ES 451290 A1 ES451290 A1 ES 451290A1
Authority
ES
Spain
Prior art keywords
lower alkyl
group
translation
procedure
preparation
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
ES451290A
Other languages
Spanish (es)
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 ES451290A1 publication Critical patent/ES451290A1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom 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
    • C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

A procedure for the preparation of thienothiazine derivatives of the general formula **(See formula)** in which A together with the two carbon atoms to which it is attached forms the group **(See formula)** and the dashed line represents the double bond present in group (a); R1 represents a lower alkyl group; R2 represents the radical of an aromatic heterocyclic ring containing from 1 to 4 heteroatoms, which may be substituted by one or two lower alkyl groups, or a phenyl group which may be substituted by halogen, hydroxyl, lower alkyl, trifluoromethyl or alkoxy. lower and R3 and R4 each represent a hydrogen atom or a lower alkyl group, the process of which comprises cyclizing a reactive functional derivative of an acid of the general formula **(See formula)** in which A, R1 and R2 have the meaning set forth above. (Machine-translation by Google Translate, not legally binding)
ES451290A 1975-07-09 1976-09-07 A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding) Expired ES451290A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH896375A CH617705A5 (en) 1975-07-09 1975-07-09 Process for the preparation of thienothiazine derivatives

Publications (1)

Publication Number Publication Date
ES451290A1 true ES451290A1 (en) 1977-10-01

Family

ID=4346788

Family Applications (2)

Application Number Title Priority Date Filing Date
ES451291A Expired ES451291A1 (en) 1975-07-09 1976-09-07 A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding)
ES451290A Expired ES451290A1 (en) 1975-07-09 1976-09-07 A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding)

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES451291A Expired ES451291A1 (en) 1975-07-09 1976-09-07 A procedure for the preparation of tienotiacin derivatives. (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
CH (2) CH617705A5 (en)
ES (2) ES451291A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538966A (en) * 1994-01-21 1996-07-23 Alcon Laboratories, Inc. Carbonic anhydrase inhibitors

Also Published As

Publication number Publication date
CH617705A5 (en) 1980-06-13
ES451291A1 (en) 1977-10-01
CH621791A5 (en) 1981-02-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970616