Alpha-Propiolactone
Encyclopedia
α-Propiolactone, or 2-methyl-α-lactone, is a chemical compound of the lactone
Lactone
In chemistry, a lactone is a cyclic ester which can be seen as the condensation product of an alcohol group -OH and a carboxylic acid group -COOH in the same molecule...

 family, with a three-membered ring. It is a stable product which can be obtained from the 2-bromo-propionate anion. It is an intermediate in the decomposition of 2-chloropropionic acid
2-Chloropropionic acid
2-Chloropropionic acid is the chemical compound with the formula CH3CHClCO2H. This colorless liquid is the simplest chiral chlorocarboxylic acid, and it is noteworthy for being readily available as a single enantiomer.-Preparation:...

in the gas phase.
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