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Example: 1-bromo-1,2-dichloroethene
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Chiral Molecules that Do Not Posses a
Tetrahedral Atom with four Different Groups
(Atropisomerism)
Atropisomers are optically active
compounds although they do not contain
chiral centers. They do not have a plane of
symmetry (Chiral molecule).
Atropisomers include:
I-Biphenyls.
II-Allenes.
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