Pyridazine derivatives
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United States of America Patent
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Jan 21, 1992
Issued Date -
N/A
app pub date -
Jul 25, 1989
filing date -
Jan 8, 1987
priority date (Note) -
Expired
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Abstract
A novel process for preparing alkoxyalkylidenehydrazinopyridazine derivatives which comprises reducing a novel alkoxytriphenylmethylazopyridazine derivative, removing the triphenylmethyl group and reacting with an aldehyde or ketone derivative. A specific compound produced by this process is 3-[3-[[2-(3,4-dimethoxyphenyl)ethyl]amino]-2-hydroxypropoxy]-6-isopropylidenehydrazinopyridazine.
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