C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/264.3, 260/2
C07D 487/04 (2006.01)
Patent
CA 1194475
ABSTRACT OF THE DISCLOSURE Substituted tetrahydropyridazino[l,6-a]benzimida- zole compounds such as 2-methylamino-6,7,8,g-tetrahy- dropyridazino[l,6-a]benzimidazole are prepared by reacting a 2-halo-6,7,8,9-tetrahydropyridazino[1,6- a]benzimidazole with an appropriate amine. The compounds are useful as bronchodilators.
432031
Alexander Catherine A.
Cregge Robert J.
Peet Norton P.
Osler Hoskin & Harcourt Llp
The Dow Chemical Company
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