Bulletin of the Chemical Society of Japan p. 3732 - 3734 (1991)
Update date:2022-07-30
Topics: Characterization Purification Workup Reaction Setup Stir and Heat
Yonemoto, Katsumi
Shibuya, Isao
Yasumoto, Masahiko
Taguchi, Yoichi
Tsuchiya, Tohru
N-(Substituted formyl)dialkylamino(thioxo)methanesulfenamides (R2NCSSNHCOR', 2), anti-foggants for silver halide photographic materials as well as potential precursors for 1,4,2-dithiazolium salts, were prepared in good yields in two ''one-pot'' procedures.Various amide-type compounds (R'CONH2, 1) were treated successively with NaH and I2 and then condensed with dialkylditiocarbamates (Method A); or 1 were reacted with tetraalkylthiuram disulfides after treatment with NaH (Method B).These methods allowed a wide variation of substituents R' in 2: R' = H, dialkylamino, alkoxy, aryl, alkyl, and heterocyclic substituent.
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