2-Substituted-1,3-butadiene derivatives and process for producing same.

摘要

@ A novel 2-substituted-1,3-butadiene compound which may be used as a coupling agent is disclosed, i.e. a 2-substituted-1,3-butadiene compound of the general formula (I)
<Chemistry id="chema01" num="0001"><Image id="ia01" he="23" wi="36" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>in which R<Sup>1</Sup>, R<Sup>2</Sup> and R<Sup>3</Sup> independently represent a halogen, a lower alkyl group, or a lower alkoxy group except that R<Sup>1</Sup>, R<Sup>2</Sup> and R<Sup>3</Sup> are all a lower alkyl group.