Ester pyrolysis

 ( Organic Reactions ) 

Ester pyrolysis in organic chemistry is a vacuum pyrolysis reaction converting containing a β-hydrogen atom into the corresponding carboxylic acid and the alkene. The reaction is an Ei elimination and operates in a syn fashion.

Examples include the synthesis of acrylic acid from ethyl acrylate at 590 °C,Organic Syntheses, Coll. Vol. 3, p.30 ( 1955); Vol. 29, p.2 ( 1949). Link the synthesis of 1,4-pentadiene from 1,5-pentanediol diacetate at 575 °C Organic Syntheses, Coll. Vol. 4, p.746 ( 1963); Vol. 38, p.78 ( 1958). Link or the construction of a cyclobutene framework at 700 °C Organic Syntheses, Coll. Vol. 5, p.235 ( 1973); Vol. 43, p.17 ( 1963). Link

decomposes into acrylic acid and ethene (ethylene) gas at 590°C.]]