| 摘要 |
1-(Substituted-aminoalkoxyphenyl)-2-methylene-1-alkanones, a class of compounds possessing anti-allergic properties for use in the treatment of allergic conditions, such as asthma prepared by etherifying an alkanoylphenol with an aminoalkyl halide, converting the ether formed to a salt of Mannich base by reacting it with a salt of a secondary amine in the presence of formaldehyde or paraformaldehyde and treating the Mannich salt with a weak base to deaminate the same and form the final product.
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