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R and S Configuration

5. Chirality / Cahn-Ingold-Prelog Nomenclature / Problem 2

Problem 2

The naturally occurring stereoisomer of amino acid isoleucine is (2S,3S)-isoleucine. Identify the structure which represents this stereoisomer.

A

Structure B of (2S,3S)-isoleucine with labeled atoms.

B

Structure C of (2S,3S)-isoleucine with labeled atoms.

C

Structure D of (2S,3S)-isoleucine with labeled atoms.

D

Structure E of (2S,3S)-isoleucine with labeled atoms.