CA967969A - Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them - Google Patents

Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them

Info

Publication number
CA967969A
CA967969A CA084,843A CA84843A CA967969A CA 967969 A CA967969 A CA 967969A CA 84843 A CA84843 A CA 84843A CA 967969 A CA967969 A CA 967969A
Authority
CA
Canada
Prior art keywords
benzopyrans
thiopyrano
thieno
intermediates
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
CA084,843A
Other languages
English (en)
Inventor
Harry G. Pars
Raj K. Razdan
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.)
Arthur D Little Inc
Original Assignee
Arthur D Little Inc
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 Arthur D Little Inc filed Critical Arthur D Little Inc
Priority to CA200,489A priority Critical patent/CA967970A/en
Application granted granted Critical
Publication of CA967969A publication Critical patent/CA967969A/en
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
    • 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)
CA084,843A 1969-08-25 1970-06-05 Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them Expired CA967969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA200,489A CA967970A (en) 1969-08-25 1974-05-22 Intermediates for thieno benzopyrans and thiopyrano benzopyrans

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA967969A true CA967969A (en) 1975-05-20

Family

ID=25314583

Family Applications (1)

Application Number Title Priority Date Filing Date
CA084,843A Expired CA967969A (en) 1969-08-25 1970-06-05 Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them

Country Status (10)

Country Link
JP (1) JPS502520B1 (en, 2012)
BE (1) BE755213A (en, 2012)
CA (1) CA967969A (en, 2012)
CH (5) CH558377A (en, 2012)
DE (1) DE2041610A1 (en, 2012)
FR (1) FR2068516B1 (en, 2012)
GB (2) GB1298619A (en, 2012)
NL (1) NL169317C (en, 2012)
SE (2) SE396951B (en, 2012)
ZA (1) ZA705834B (en, 2012)

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
NL169317B (nl) 1982-02-01
NL169317C (nl) 1982-07-01
CH567039A5 (en, 2012) 1975-09-30
SE380526B (sv) 1975-11-10
FR2068516A1 (en, 2012) 1971-08-27
GB1298620A (en) 1972-12-06
GB1298619A (en) 1972-12-06
NL7012587A (en, 2012) 1971-03-01
ZA705834B (en) 1971-04-28
CH566343A5 (en, 2012) 1975-09-15
CH528534A (fr) 1972-09-30
JPS502520B1 (en, 2012) 1975-01-27
FR2068516B1 (en, 2012) 1974-08-23
CH567038A5 (en, 2012) 1975-09-30
CH558377A (fr) 1975-01-31
DE2041610A1 (de) 1971-03-25
SE396951B (sv) 1977-10-10
BE755213A (fr) 1971-02-01

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