CA996942A - Substituted benzopyrans and processes for their preparation - Google Patents

Substituted benzopyrans and processes for their preparation

Info

Publication number
CA996942A
CA996942A CA141,706A CA141706A CA996942A CA 996942 A CA996942 A CA 996942A CA 141706 A CA141706 A CA 141706A CA 996942 A CA996942 A CA 996942A
Authority
CA
Canada
Prior art keywords
processes
preparation
substituted benzopyrans
benzopyrans
substituted
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
CA141,706A
Other versions
CA141706S (en
Inventor
Richard W. Tickle
Derek V. Gardner
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.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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 Beecham Group PLC filed Critical Beecham Group PLC
Application granted granted Critical
Publication of CA996942A publication Critical patent/CA996942A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
CA141,706A 1971-05-11 1972-05-09 Substituted benzopyrans and processes for their preparation Expired CA996942A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1422671A GB1389822A (en) 1971-05-11 1971-05-11 Substituted benzopyrans and processes for their preparation

Publications (1)

Publication Number Publication Date
CA996942A true CA996942A (en) 1976-09-14

Family

ID=10037331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,706A Expired CA996942A (en) 1971-05-11 1972-05-09 Substituted benzopyrans and processes for their preparation

Country Status (9)

Country Link
AU (1) AU466870B2 (en)
BE (1) BE783217A (en)
CA (1) CA996942A (en)
CH (2) CH575940A5 (en)
DE (1) DE2222926A1 (en)
ES (2) ES402382A1 (en)
FR (1) FR2150673B1 (en)
GB (1) GB1389822A (en)
NL (2) NL7205761A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100799246B1 (en) * 2006-12-13 2008-01-29 재단법인서울대학교산학협력재단 Compounds with embedded benzopyran motif for core structures and preparation method thereof

Also Published As

Publication number Publication date
BE783217A (en) 1972-11-09
FR2150673B1 (en) 1976-04-16
GB1389822A (en) 1975-04-09
CH575940A5 (en) 1976-05-31
ES402382A1 (en) 1975-04-01
FR2150673A1 (en) 1973-04-13
NL7205760A (en) 1972-11-14
NL7205761A (en) 1972-11-14
CH575939A5 (en) 1976-05-31
AU4219572A (en) 1973-11-15
AU466870B2 (en) 1975-11-13
DE2222926A1 (en) 1972-11-23
ES402381A1 (en) 1975-04-01

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