title: Aminomethylation of thiamine disulfides and formation of cyclobis-methylenethiamine from N-aminomethylated thiamine disulfide.
mesh_terms: D000588:Amines / Q000138:chemical synthesis; D008722:Methods; D008745:Methylation; D013831:Thiamine / Q000031:analogs & derivatives* / Q000138:chemical synthesis
chemical_list: D000588:Amines; D013831:Thiamine