1 formation of alpha-ketoisocaproate, which is reductively aminated back to L-leucine by leucine dehydr

2      Acid hydrolysis of 6 gave 11, which was reductively aminated to give (+/-)-narwedine 2.

3 e fragmentation characteristics of N-glycans reductively aminated with 2-aminobenzoic acid and 2-amin

4     The resulting oligosaccharides were then reductively aminated with 2-aminopyridine and the struct

5 re released by treatment with N-glycanase F, reductively aminated with anthranilic acid, and fraction