1,3-dimethyl-2-[(3-chloro-2-oxopropyl)thio]-1H-imidazolium chloride → 1,3-dimethyl-2-({3-[(1-methyl-1H-tetrazol-5-yl)thio]-2-oxopropyl}thio)-1H-imidazolium chloride
Reaction equation
O.[Na].[SH:3][C:4]1[N:8]([CH3:9])[N:7]=[N:6][N:5]=1.[Cl-].[CH3:11][NH+:12]1[CH:16]=[CH:15][N:14]([CH3:17])[CH:13]1[S:18][CH2:19][C:20](=[O:23])[CH2:21][Cl:22]>C(O)C>[Cl-:22].[CH3:17][NH+:14]1[CH:15]=[CH:16][N:12]([CH3:11])[CH:13]1[S:18][CH2:19][C:20](=[O:23])[CH2:21][S:3][C:4]1[N:8]([CH3:9])[N:7]=[N:6][N:5]=1Participants
4
Procedure
To a solution of 0.271 g (0.00196 mol) of 5-mercapto-1-methyltetrazole sodium salt hydrate in 30 mL of absolute ethanol was added 0.50 g (0.0020 mol) of 1,3-dimethyl-2-[(3-chloro-2-oxopropyl)thio]- 1H-imidazolium chloride whereupon a white precipitate formed immediately. The precipitate was removed by filtration and was recrystallized from ethanol to obtain the desired 1,3-dimethyl-2-({3-[(1-methyl-1H-tetrazol-5-yl)thio]-2-oxopropyl}thio)-1H-imidazolium chloride, m.p. 196-197° C.