Karel Appel was a Dutch Postwar & Contemporary artist who was born in 1921. His work is currently being shown at multiple venues like Neue Nationalgalerie in Berlin and will be on exhibit at Jack ...

Redox transformation of an α,β-unsaturated aldehyde to a carboxylic acid derivative by means of a combination of TMSCN and DBU was investigated. In addition to the wide use of the carboxylic acid ...