CATALYST FOR CYANOHYDRINATION COMPRISING AN AMORPHOUS CYCLO(D-PHENYLALANYL-D-HISTIDINE) OR CYCLO(L-PHENYLALANYL-L-HISTIDINE)

摘要

A cyanohydrination catalyst for the preparation of alphahydroxynitriles from aldehydes and ketones comprises a solid cyclo(D-phenylalanyl-D-histidine) dipeptide having a non-crystalline or amorphous component.