ZA716039B - Substituted benzopyrans and their preparation - Google Patents

Substituted benzopyrans and their preparation

Info

Publication number
ZA716039B
ZA716039B ZA716039A ZA716039A ZA716039B ZA 716039 B ZA716039 B ZA 716039B ZA 716039 A ZA716039 A ZA 716039A ZA 716039 A ZA716039 A ZA 716039A ZA 716039 B ZA716039 B ZA 716039B
Authority
ZA
South Africa
Prior art keywords
preparation
substituted benzopyrans
benzopyrans
substituted
Prior art date
Application number
ZA716039A
Other languages
English (en)
Inventor
R Razdan
W Thompson
Original Assignee
Beecham Group Ltd
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 Ltd filed Critical Beecham Group Ltd
Publication of ZA716039B publication Critical patent/ZA716039B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
ZA716039A 1970-09-14 1971-09-09 Substituted benzopyrans and their preparation ZA716039B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7221770A 1970-09-14 1970-09-14

Publications (1)

Publication Number Publication Date
ZA716039B true ZA716039B (en) 1972-07-26

Family

ID=22106286

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716039A ZA716039B (en) 1970-09-14 1971-09-09 Substituted benzopyrans and their preparation

Country Status (14)

Country Link
AT (1) AT308108B (xx)
BE (1) BE772492A (xx)
CA (1) CA965421A (xx)
CH (1) CH559209A5 (xx)
DE (1) DE2145320A1 (xx)
DK (1) DK135994B (xx)
ES (1) ES394980A1 (xx)
FR (1) FR2106490B1 (xx)
GB (1) GB1360009A (xx)
IE (1) IE35636B1 (xx)
NL (1) NL7112521A (xx)
NO (1) NO134743C (xx)
SE (1) SE372943B (xx)
ZA (1) ZA716039B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960880A (en) * 1974-03-26 1976-06-01 Beecham Group Limited Tetrahydropyrid-4-yl-chroman-5-ol derivatives
JPS4995978A (xx) * 1973-01-24 1974-09-11
GB1417745A (en) * 1973-07-07 1975-12-17 Beecham Group Ltd Chromene compounds

Also Published As

Publication number Publication date
NO134743C (xx) 1976-12-08
DK135994C (xx) 1977-12-27
BE772492A (fr) 1972-03-10
DK135994B (da) 1977-07-25
IE35636B1 (en) 1976-04-14
ES394980A1 (es) 1974-12-01
AU3336571A (en) 1973-03-15
DE2145320A1 (de) 1972-03-16
FR2106490A1 (xx) 1972-05-05
IE35636L (en) 1972-03-14
SE372943B (xx) 1975-01-20
GB1360009A (en) 1974-07-17
NO134743B (xx) 1976-08-30
CA965421A (en) 1975-04-01
FR2106490B1 (xx) 1975-04-18
NL7112521A (xx) 1972-03-16
CH559209A5 (xx) 1975-02-28
AT308108B (de) 1973-06-25

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