CH558377A - Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes. - Google Patents

Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes.

Info

Publication number
CH558377A
CH558377A CH1261572A CH1261572A CH558377A CH 558377 A CH558377 A CH 558377A CH 1261572 A CH1261572 A CH 1261572A CH 1261572 A CH1261572 A CH 1261572A CH 558377 A CH558377 A CH 558377A
Authority
CH
Switzerland
Prior art keywords
benzopyran
thiopyrano
thieno
ethers
preparation
Prior art date
Application number
CH1261572A
Other languages
English (en)
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 CH558377A publication Critical patent/CH558377A/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
CH1261572A 1969-08-25 1970-08-25 Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes. CH558377A (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
CH558377A true CH558377A (fr) 1975-01-31

Family

ID=25314583

Family Applications (5)

Application Number Title Priority Date Filing Date
CH1270272A CH566343A5 (fr) 1969-08-25 1970-08-25
CH1261572A CH558377A (fr) 1969-08-25 1970-08-25 Procede pour la preparation d'ethers de thieno-benzopyrannes et thiopyrano-benzopyrannes.
CH1269370A CH528534A (fr) 1969-08-25 1970-08-25 Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes
CH1269370A CH567038A5 (fr) 1969-08-25 1975-06-10
CH1269370A CH567039A5 (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
CH1269370A CH528534A (fr) 1969-08-25 1970-08-25 Procédé pour la préparation de thiéno-benzopyrannes et thiopyrano-benzopyrannes
CH1269370A CH567038A5 (fr) 1969-08-25 1975-06-10
CH1269370A CH567039A5 (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) GB1298620A (fr)
NL (1) NL169317C (fr)
SE (2) SE396951B (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
BE755213A (fr) 1971-02-01
NL169317C (nl) 1982-07-01
CH567038A5 (fr) 1975-09-30
DE2041610A1 (de) 1971-03-25
CH566343A5 (fr) 1975-09-15
ZA705834B (en) 1971-04-28
FR2068516B1 (fr) 1974-08-23
SE380526B (sv) 1975-11-10
CA967969A (en) 1975-05-20
FR2068516A1 (fr) 1971-08-27
CH567039A5 (fr) 1975-09-30
CH528534A (fr) 1972-09-30
NL7012587A (fr) 1971-03-01
GB1298620A (en) 1972-12-06
GB1298619A (en) 1972-12-06
NL169317B (nl) 1982-02-01
SE396951B (sv) 1977-10-10
JPS502520B1 (fr) 1975-01-27

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Legal Events

Date Code Title Description
PL Patent ceased