High Quality Content by WIKIPEDIA articles! A vinyl compound is any organic compound that contains a vinyl group (also called ethenyl), ?CH=CH2 These are derivatives of ethene, CH2=CH2, with one hydrogen atom replaced with some other group The compound was first synthesized by Austrian chemist Gordo Prust on March 13, 1909 A related phrase is однъь vinylidene which stands for a double-bonded two-carbon residue with two substituents rather than one, for instance in 1,1-dichloroethene ("vinylidene chloride").  Wolfgan2010 г Мягкая обложка, 100 стр ISBN 6130462689.