For example, alanine is a chiral amino acid that has two enantiomers: (+)-alanine and (-)-alanine. These two are optical isomers. NH2 NH2 4. One of the most important properties of chiral molecules in solution is their effect on plane- polarized light, this effect is called optical activity. -C H 2 COOH HOOC CH When an enantiomer rotates a plane-polarized light in the positive direction or clockwise, it is dextrorotary (+ or d), while for a negative direction or counterclockwise, it is levorotary (- or l) (+)-Alanine (-)-Alanine Alanine is a chiral amino acid that has two enantiomers: (+)-alanine and ()-alanine. These two are optical isomers.

On a blank sheet of paper, draw the constitutional isomers of C6H14?

The (R,R) isomer of methylphenidate (Ritalin) is used to treat attention deficit hyperactivity disorder (ADHD). The (S,S) isomer is an antidepressant. Identify the two chiral carbons in the structure below. Is this the (R,R) or the (S,S) isomer? Draw the other isomer.