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Mode of production of 1,1-disubstituted 4,4-bipyridylial salts

Classifications

C07D213/22 Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing two or more pyridine rings directly linked together, e.g. bipyridyl

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CS179914B2

Czechoslovakia

Other languages
English
Inventor
John Beacham
John G Carey

Worldwide applications
1970 GB 1971 IE ZA US CA PL NL SE HU DE CS YU FR DK SU AT JP BE IL ES IT CH

Application CS7100000496A events