OA03910A - Process for preparing novel tetrazoles and compositions containing them. - Google Patents

Process for preparing novel tetrazoles and compositions containing them.

Info

Publication number
OA03910A
OA03910A OA54344A OA54344A OA03910A OA 03910 A OA03910 A OA 03910A OA 54344 A OA54344 A OA 54344A OA 54344 A OA54344 A OA 54344A OA 03910 A OA03910 A OA 03910A
Authority
OA
OAPI
Prior art keywords
tetrazoles
compositions containing
preparing novel
preparing
novel
Prior art date
Application number
OA54344A
Other languages
French (fr)
Original Assignee
Fisons 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 Fisons Ltd filed Critical Fisons Ltd
Publication of OA03910A publication Critical patent/OA03910A/en

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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
OA54344A 1970-08-27 1971-08-24 Process for preparing novel tetrazoles and compositions containing them. OA03910A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3082871A GB1356379A (en) 1970-08-27 1970-08-27 Tetrazole derivatives
GB3082871 1971-07-01

Publications (1)

Publication Number Publication Date
OA03910A true OA03910A (en) 1975-08-14

Family

ID=26260624

Family Applications (1)

Application Number Title Priority Date Filing Date
OA54344A OA03910A (en) 1970-08-27 1971-08-24 Process for preparing novel tetrazoles and compositions containing them.

Country Status (19)

Country Link
AR (1) AR193042A1 (en)
AT (2) AT319943B (en)
AU (1) AU3280571A (en)
BE (1) BE771818A (en)
BG (1) BG19182A3 (en)
CH (5) CH567017A5 (en)
CU (1) CU33570A (en)
DD (1) DD95008A5 (en)
DE (1) DE2142556A1 (en)
ES (1) ES394550A1 (en)
FR (1) FR2103553B1 (en)
GB (1) GB1356379A (en)
HU (1) HU164233B (en)
IE (1) IE35567B1 (en)
IL (1) IL37591A (en)
LU (1) LU63792A1 (en)
NL (1) NL7111790A (en)
NO (1) NO133449C (en)
OA (1) OA03910A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1489749A (en) * 1965-03-25 1967-07-28 Fisons Pharmaceuticals Ltd Process for the preparation of bis-chromonyl compounds and their derivatives
CA960223A (en) * 1970-02-05 1974-12-31 Mervyn E. Peel Tetrazolyl chromones

Also Published As

Publication number Publication date
AT322553B (en) 1975-05-26
FR2103553B1 (en) 1975-10-10
IE35567L (en) 1972-02-27
CH567017A5 (en) 1975-09-30
NO133449B (en) 1976-01-26
DD95008A5 (en) 1973-01-12
AU3280571A (en) 1973-03-01
AT319943B (en) 1975-01-10
FR2103553A1 (en) 1972-04-14
ES394550A1 (en) 1975-03-16
NO133449C (en) 1976-05-05
IE35567B1 (en) 1976-03-18
LU63792A1 (en) 1972-04-04
NL7111790A (en) 1972-02-29
GB1356379A (en) 1974-06-12
BG19182A3 (en) 1975-04-30
BE771818A (en) 1972-02-28
IL37591A0 (en) 1971-11-29
AR193042A1 (en) 1973-03-30
HU164233B (en) 1974-01-28
CH544085A (en) 1973-12-28
CH567016A5 (en) 1975-09-30
IL37591A (en) 1974-12-31
CH544108A (en) 1973-11-15
DE2142556A1 (en) 1972-03-02
CH567015A5 (en) 1975-09-30
CU33570A (en) 1974-02-13

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