| 释义 |
knoe·ve·na·gel reaction
\kəˈnə(r)vəˌnāgəl-, kəˈnə̄v-\ noun
or knoevenagel condensation
Usage: usually capitalized K
Etymology: after Emil Knoevenagel died 1921 German chemist
: an aldol-type condensation catalyzed by amines that takes place between an aldehyde or ketone and a compound containing an active methylene group (as in esters of acetoacetic acid, malonic acid, or cyanoacetic acid) |