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The inside cover picture shows the development of chiral pyridoxal and pyridoxamine catalysts by mimicking vitamin B6‐dependent enzymes. These chiral pyridoxals and pyridoxamines displayed extraordinary catalytic performances in asymmetric biomimetic transamination and Mannich reaction, to give various chiral α‐amino acids and α,β‐diamino acid esters in good yields with excellent diastero‐ and/or...
Vitamin B6 serves as universal co‐enzymes in biological systems. However, its catalytic power has not been applied into the area of asymmetric catalysis. Based on the core structure of vitamin B6, we have developed several types of pyridoxal and pyridoxamine catalysts with different structural skeletons and different electronic properties. With these pyridoxals and pyridoxamines as catalysts, we have...