Di-t-butylphenyl alkyl and benzyl ether nitriles
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United States of America Patent
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Nov 27, 1990
Grant Date -
N/A
app pub date -
Apr 23, 1987
filing date -
Apr 23, 1987
priority date (Note) -
Expired
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Abstract
Novel compounds which are di-t-butylphenyl alkyl or benzyl ethers which alkyl or benzyl group is substituted by an acidic group are useful an antiallergic agents. Synthetic intermediates for making such compounds are also disclosed.
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