The reaction,
C6H5CHO + CH3COOC2H5 C6H5CH = CHCOOC2H5 , is called
Benzoin condensation
Claisen condensation
Cannizaro's reaction
Perkin reaction
B.
Claisen condensation
The above reaction is known as Claisen condensation.
In this reaction, aromatic aldehyde condenses with esters having - hydrogen atoms, such as, ethyl acetate, in the presence of metallic Na and C2H5OH to form esters of - unsaturated acids.
C6H5CHO + H2CH - COOC2H5 C6H5CH = CHCOOC2H5 + H2O (ethyl cinnamate)
Which one of the following reactions is called Rosenmund reaction ?
Aldehydes are reduced to alcohols
Acids are converted to acid chlorides
Alcohols are reduced to hydrocarbons
Acid chlorides are reduced to aldehydes
In a set of reactions, acetic acid yielded a product D.
CH3COOH A B C D
The structure of D would be
Aldehydes or ketones are treated with-bromo ester in the presence of zinc to form -hydroxy ester followed by dehydration to form ,-unsaturated ester.This reaction is known as:
Witting reaction.
Tischenko reaction.
Reformatsky reaction.
Crossed-cannazzaro's reaction.
The correct structure of the stable compound which is obtained when acetophenone react with a base C2H5OH is