enzymes-are-chiral-and-react-at-different-rates-with-a-pair-of-enantiomers-hydro

Question

Accepted Answer

Step 1: Convert the carboxyl group of L-alanine and D-alanine into an ester group.

Step 2: Treat the mixture with esterase.

Step 3: Separate L-alanine, methanol, and ester of D-alanine.

Step 4: Acid-catalyzed hydrolysis of the ester of D-alanine.

Step 5: Isolate D-alanine.

Answer

Step 1: Convert the carboxyl group of L-alanine and D-alanine into an ester group.

Step 2: Treat the mixture with esterase.

Step 3: Separate L-alanine, methanol, and D-alanine.

Answer

Step 1: Make a mixture of L-alanine and D-alanine

Step 2: Treat the mixture with esterase.

Step 3: Acid-catalyzed hydrolysis of the ester of L-alanine and the ester of D-alanine.

Step 4: Separate L-alanine, methanol, and D-alanine.

Answer

Step 1: Make a mixture of L-alanine and D-alanine to form the ester of each amino acid.

Step 2: Treat the mixture with esterase.

Step 3: Separate L-alanine, methanol, and ester of D-alanine.

Step 4: Acid-catalyzed hydrolysis of the ester of D-alanine.

Step 5: Isolate D-alanine.