CH528534A - Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes - Google Patents

Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes

Info

Publication number
CH528534A
CH528534A CH1269370A CH1269370A CH528534A CH 528534 A CH528534 A CH 528534A CH 1269370 A CH1269370 A CH 1269370A CH 1269370 A CH1269370 A CH 1269370A CH 528534 A CH528534 A CH 528534A
Authority
CH
Switzerland
Prior art keywords
benzopyran
thiopyrano
thieno
preparation
Prior art date
Application number
CH1269370A
Other languages
English (en)
Inventor
Kumar Razdan Raj
George Pars Harry
Original Assignee
Little Inc A
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 Little Inc A filed Critical Little Inc A
Publication of CH528534A publication Critical patent/CH528534A/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
    • C07D333/02—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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH1269370A 1969-08-25 1970-08-25 Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes CH528534A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85292869A 1969-08-25 1969-08-25

Publications (1)

Publication Number Publication Date
CH528534A true CH528534A (fr) 1972-09-30

Family

ID=25314583

Family Applications (5)

Application Number Title Priority Date Filing Date
CH1270272A CH566343A5 (fr) 1969-08-25 1970-08-25
CH1269370A CH528534A (fr) 1969-08-25 1970-08-25 Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes
CH1261572A CH558377A (fr) 1969-08-25 1970-08-25 Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes.
CH1269370A CH567039A5 (fr) 1969-08-25 1975-06-10
CH1269370A CH567038A5 (fr) 1969-08-25 1975-06-10

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1270272A CH566343A5 (fr) 1969-08-25 1970-08-25

Family Applications After (3)

Application Number Title Priority Date Filing Date
CH1261572A CH558377A (fr) 1969-08-25 1970-08-25 Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes.
CH1269370A CH567039A5 (fr) 1969-08-25 1975-06-10
CH1269370A CH567038A5 (fr) 1969-08-25 1975-06-10

Country Status (10)

Country Link
JP (1) JPS502520B1 (fr)
BE (1) BE755213A (fr)
CA (1) CA967969A (fr)
CH (5) CH566343A5 (fr)
DE (1) DE2041610A1 (fr)
FR (1) FR2068516B1 (fr)
GB (2) GB1298619A (fr)
NL (1) NL169317C (fr)
SE (2) SE380526B (fr)
ZA (1) ZA705834B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934024A (en) * 1971-12-20 1976-01-20 Sharps Associates Method of producing analgesia and compositions useful therein
CA994792A (en) * 1971-12-27 1976-08-10 Raj K. Razdan Esters of thienobenzopyrans and thiopyranobenzopyrans
FR2310128A2 (fr) * 1975-05-06 1976-12-03 Little Inc A Nouveaux thiopyranobenzopyranes, produits intermediaires et procede pour leur obtention

Also Published As

Publication number Publication date
CH567039A5 (fr) 1975-09-30
ZA705834B (en) 1971-04-28
GB1298620A (en) 1972-12-06
NL169317B (nl) 1982-02-01
NL169317C (nl) 1982-07-01
NL7012587A (fr) 1971-03-01
CH558377A (fr) 1975-01-31
GB1298619A (en) 1972-12-06
JPS502520B1 (fr) 1975-01-27
SE380526B (sv) 1975-11-10
DE2041610A1 (de) 1971-03-25
FR2068516A1 (fr) 1971-08-27
CA967969A (en) 1975-05-20
SE396951B (sv) 1977-10-10
CH566343A5 (fr) 1975-09-15
FR2068516B1 (fr) 1974-08-23
BE755213A (fr) 1971-02-01
CH567038A5 (fr) 1975-09-30

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Legal Events

Date Code Title Description
PL Patent ceased