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 (no)
BE (1) BE755213A (no)
CA (1) CA967969A (no)
CH (5) CH566343A5 (no)
DE (1) DE2041610A1 (no)
FR (1) FR2068516B1 (no)
GB (2) GB1298619A (no)
NL (1) NL169317C (no)
SE (2) SE380526B (no)
ZA (1) ZA705834B (no)

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
CH558377A (fr) 1975-01-31
GB1298620A (en) 1972-12-06
JPS502520B1 (no) 1975-01-27
CH566343A5 (no) 1975-09-15
CH567039A5 (no) 1975-09-30
GB1298619A (en) 1972-12-06
BE755213A (fr) 1971-02-01
DE2041610A1 (de) 1971-03-25
NL169317C (nl) 1982-07-01
SE380526B (sv) 1975-11-10
ZA705834B (en) 1971-04-28
FR2068516A1 (no) 1971-08-27
CH528534A (fr) 1972-09-30
NL7012587A (no) 1971-03-01
FR2068516B1 (no) 1974-08-23
SE396951B (sv) 1977-10-10
NL169317B (nl) 1982-02-01
CH567038A5 (no) 1975-09-30

Similar Documents

Publication Publication Date Title
CA956102A (en) Method of forming refractory masses
CA941393A (en) Method of the production of super-high-early-strength cements
CA962036A (en) Method for the preparation of vanadiumcarbide
CA967969A (en) Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them
AU447687B2 (en) Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them
AU1914470A (en) Thieno benzopyrans and thiopyrano benzopyrans, intermediates for their preparation and method of making them
CA945338A (en) Method for the preparation of vanadiumcarbide
CA974525A (en) Pyrano benzopyrans, intermediates for their preparation and method of making them
CA967970A (en) Intermediates for thieno benzopyrans and thiopyrano benzopyrans
CA824073A (en) Method of making ceramic shapes
CA826575A (en) Method of making tire molds
CA930383A (en) Method of making tar-bonded dolomite-magnesite brick
AU441786B2 (en) An improved method of making tar-bonded dolomite-magnesite brick
CA808218A (en) Cellular glass and method of making same
CA818607A (en) Method of producing lignin-reinforced rubber
AU433238B2 (en) Method for the preparation of basic derivatives of xanthone
CA815002A (en) Method of preparation of new d-homosteroids
CA812829A (en) Method of making n,n'-arylene-bismaleimides
CA806363A (en) Method of making watchbands
CA828766A (en) Method of making 4-hydroxy-6,7-dihydrocarbloxy-3-carboalkoxy-quinolines
AU6371169A (en) An improved method of making tar-bonded dolomite-magnesite brick
CA920228A (en) Method of producing steel-weld constructions
AU5303969A (en) Method for the preparation of basic derivatives of xanthone
CA978189A (en) Process for the manufacture of new thieno (2,3-c) pyridine derivatives
CA826469A (en) Method of making spinnerets