Forming Acetylide lons H+can be removed from a terminal alkyne by sodium amide,NaNH2. R一C=C-H+Na+-:NH2→R一C=C:+Na +:NH3 a sodium acetylide Copyright 2005 Pearson Prentice Hall,Inc. NaNH2 is produced by the reaction of ammonia with sodium metal. H H H-N-H Na Fe3+catalyst Na+-:N-H +H2个 ammonia sodium amide (sodamide') => Chapter 9 15Chapter 9 15 Forming Acetylide Ions • H+ can be removed from a terminal alkyne by sodium amide, NaNH2 . • NaNH2 is produced by the reaction of ammonia with sodium metal. =>