Formation of complex organic molecules in molecular clouds: acetaldehyde, vinyl alcohol, ketene, and ethanol via the "energetic" processing of C${}_2$H${}_2$ ice

K. -J. Chuang, G. Fedoseev, C. Scirè +5

The simultaneous detection of organic molecules of the form C${}_2$H${}_{\text{n}}$O, such as ketene (CH${}_2$CO), acetaldehyde (CH${}_3$CHO), and ethanol (CH${}_3$CH${}_2$OH), toward early st…