Main Reaction: p-hydroxy-mandelonitrile >> p-hydroxy-benzaldehyde + hydrogen cyanide

Reference: PubMed ID: 11607147
Authors: Halkier BA, Lykkesfeldt J, Møller BL
Title: 2-nitro-3-(p-hydroxyphenyl)propionate and aci-1-nitro-2-(p-hydroxyphenyl)ethane, two intermediates in the biosynthesis of the cyanogenic glucoside dhurrin in Sorghum bicolor (L.) Moench.
Published: 1991 Jan 15

p-hydroxy-mandelonitrile --> p-hydroxy-benzaldehyde + hydrogen cyanide