What is a semi-benzene?
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Cyclic Compounds which are not benzene but show some
characters of benzene like aromaticity etc, are called semi-
benzene.
e.g. Methylenehexadienes
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Answer / mohammed mohsin india
syn-1,3-butadiene is known as semi-benzene because it looks
like half part of benzene and also resonance stablised, it
is not aromatic
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