Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1973-09-12
1976-09-14
Rollins, Alton D.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
2602475D, 260250AH, 424248, 424250, 2602471E, 2602472R, 424232, C07D23720, C07D40304, C07D41304
Patent
active
039806332
ABSTRACT:
New pyridazinium compounds which can be used as intermediates and are of interest because of their pharmacological properties, and their production.
The invention relates to new pyridazinium compounds and their production. These compounds are of pharmacological interest.
In DOS No. 1,912,941 6-alkoxypyridazinium compounds are said to have valuable pharmacological properties. Furthermore pyridazinium compounds are known for example as starting materials for pesticides and dyes from DOS No. 2,003,461 or U.S. Patent 3,510,488.
The quaternization of pyridazines into pyridazinium compounds is described in an article in Acta. Chem. Scand., 21 (1967), 1067 to 1080, and the reaction of 6-chloropyridazinium compounds with amines is described in volume 23 (1969), 2534 to 2536.
REFERENCES:
patent: 3510488 (1970-05-01), Kremer et al.
patent: 3631038 (1971-12-01), Reicheneder et al.
patent: 3671525 (1972-06-01), Reicheneder et al.
Reicheneder, et al., Chemical Abstract 78:115221a of Ger. Offen. 2,139,687, dated Feb. 15, 1973.
Amann August
Giertz Hubert
Kropp Rudolf
Reicheneder Franz
BASF - Aktiengesellschaft
Berch Mark L.
Rollins Alton D.
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