FR1248409A - Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives - Google Patents

Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives

Info

Publication number
FR1248409A
FR1248409A FR740781A FR740781A FR1248409A FR 1248409 A FR1248409 A FR 1248409A FR 740781 A FR740781 A FR 740781A FR 740781 A FR740781 A FR 740781A FR 1248409 A FR1248409 A FR 1248409A
Authority
FR
France
Prior art keywords
triazolo
processes
preparation
pyridazine derivatives
pyridazine
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
FR740781A
Other languages
French (fr)
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.)
Laboratoire Roger Bellon SA
Original Assignee
Laboratoire Roger Bellon SA
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 Laboratoire Roger Bellon SA filed Critical Laboratoire Roger Bellon SA
Priority to FR740781A priority Critical patent/FR1248409A/en
Application granted granted Critical
Publication of FR1248409A publication Critical patent/FR1248409A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
FR740781A 1957-06-13 1957-06-13 Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives Expired FR1248409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR740781A FR1248409A (en) 1957-06-13 1957-06-13 Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR740781A FR1248409A (en) 1957-06-13 1957-06-13 Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives

Publications (1)

Publication Number Publication Date
FR1248409A true FR1248409A (en) 1960-12-16

Family

ID=8704484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR740781A Expired FR1248409A (en) 1957-06-13 1957-06-13 Improvements to processes for the preparation of triazolo [4-3, b] pyridazine derivatives

Country Status (1)

Country Link
FR (1) FR1248409A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915968A (en) * 1973-09-21 1975-10-28 Lepetit Spa Triazolopyridazines
US4016162A (en) * 1974-08-27 1977-04-05 Gruppo Lepetit S.P.A. 6-Morpholino-3-substituted phenyl-S-triazolo[4,3-b]pyridazines
US4136182A (en) 1976-05-26 1979-01-23 The Dow Chemical Company Triazolopyridazines used to alleviate bronchial spasms
US4487930A (en) * 1982-09-07 1984-12-11 The Dow Chemical Company 6-[(Cyclic amino)alkylamino]-tetrahydrotriazolo[3,4-a]phthalazines
US4526890A (en) * 1979-10-29 1985-07-02 The Dow Chemical Company 3,6,7,8-Substituted-s-triazolo[4,3-b]pyridazines as bronchodilators

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915968A (en) * 1973-09-21 1975-10-28 Lepetit Spa Triazolopyridazines
US4016162A (en) * 1974-08-27 1977-04-05 Gruppo Lepetit S.P.A. 6-Morpholino-3-substituted phenyl-S-triazolo[4,3-b]pyridazines
US4136182A (en) 1976-05-26 1979-01-23 The Dow Chemical Company Triazolopyridazines used to alleviate bronchial spasms
US4526890A (en) * 1979-10-29 1985-07-02 The Dow Chemical Company 3,6,7,8-Substituted-s-triazolo[4,3-b]pyridazines as bronchodilators
US4487930A (en) * 1982-09-07 1984-12-11 The Dow Chemical Company 6-[(Cyclic amino)alkylamino]-tetrahydrotriazolo[3,4-a]phthalazines

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