13. Alkenes, Alkynes, and Aromatic Compounds

Identify chiral centers in the provided optical isomers.

 Identify molecule(s) capable of rotating plane polarized light.

Provide the enantiomer using method 2. (Hint: chiral center is circled in red.)

Predict enantiomer for thalidomide compound given below.

2-Aminopropane is an achiral molecule, but 2-aminobutane is chiral. Explain.