FR2210405B1 - - Google Patents

Info

Publication number
FR2210405B1
FR2210405B1 FR7344703A FR7344703A FR2210405B1 FR 2210405 B1 FR2210405 B1 FR 2210405B1 FR 7344703 A FR7344703 A FR 7344703A FR 7344703 A FR7344703 A FR 7344703A FR 2210405 B1 FR2210405 B1 FR 2210405B1
Authority
FR
France
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
FR7344703A
Other versions
FR2210405A1 (en
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.)
Fisons Ltd
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
Priority claimed from GB5790172A external-priority patent/GB1447479A/en
Priority claimed from GB3904173A external-priority patent/GB1447480A/en
Application filed by Fisons Ltd filed Critical Fisons Ltd
Publication of FR2210405A1 publication Critical patent/FR2210405A1/fr
Application granted granted Critical
Publication of FR2210405B1 publication Critical patent/FR2210405B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
    • C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • 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
    • 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
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR7344703A 1972-12-15 1973-12-14 n-Tetrazolyl benzo(thio) pyran-2-carboxamides - antiallergens prepd. e.g. by cyclisation of corresp. azidoamidines Granted FR2210405A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB5790172A GB1447479A (en) 1972-12-15 1972-12-15 Chromone carboxamido tetrazoles
GB3904173A GB1447480A (en) 1972-12-15 1973-08-17 Chromone and thiachromone carboxamide tetrazoles
GB3904273 1973-08-17
GB3904473 1973-08-17
GB3904573 1973-08-17

Publications (2)

Publication Number Publication Date
FR2210405A1 FR2210405A1 (en) 1974-07-12
FR2210405B1 true FR2210405B1 (fr) 1977-09-02

Family

ID=27516341

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344703A Granted FR2210405A1 (en) 1972-12-15 1973-12-14 n-Tetrazolyl benzo(thio) pyran-2-carboxamides - antiallergens prepd. e.g. by cyclisation of corresp. azidoamidines

Country Status (3)

Country Link
JP (1) JPS4994675A (fr)
DE (1) DE2361490A1 (fr)
FR (1) FR2210405A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1362782A (en) * 1970-08-26 1974-08-07 Fisons Ltd Tetrazole derivatives
CA1011744A (en) * 1970-03-10 1977-06-07 Allen And Hanburys Limited Chromone derivatives
BE789822A (fr) * 1971-10-08 1973-04-06 Allen & Hanburys Ltd Nouveaux composes heterocycliques

Also Published As

Publication number Publication date
DE2361490A1 (de) 1974-06-27
JPS4994675A (fr) 1974-09-09
FR2210405A1 (en) 1974-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse