Preparation of N-(Substituted formyl) dialkylamino(thioxo)methanesulfenamides.

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概要

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• <I>N</I>-(Substituted formyl)dialkylamino(thioxo)methanesulfenamides (R<SUB>2</SUB>NCSSNHCOR′, <B>2</B>), 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′CONH<SUB>2</SUB>, <B>1</B>) were treated successively with NaH and I<SUB>2</SUB> and then condensed with dialkyldithiocarbamates (Method A); or <B>1</B> were reacted with tetraalkylthiuram disulfides after treatment with NaH (Method B). These methods allowed a wide variation of substituents R′ in <B>2</B>: R′=H, dialkylamino, alkoxy, aryl, alkyl, and heterocyclic substituent.

• 公益社団法人 日本化学会の論文

著者

• Shibuya Isao

  National Institute Of Advanced Industrial Science And Technology(aist) Tsukuba Central 5

• TAGUCHI Yoichi

  National Institute of Advanced Industrial Science and Technology (AIST)

• YASUMOTO Masahiko

  National Chemical Laboratory for Industry

• Tsuchiya Tohru

  National Chemical Laboratory for Industry

• Tsuchiya Tohru

  National Chemical Laboratory for Industry, Higashi

• Yonemoto Katsumi

  National Chemical Laboratory for Industry

• Shibuya Isao

  National Chemical Laboratory for Industry

• Shibuya Isao

  National Chemical Laboratory for Industry, Higashi

• Yasumoto Masahiko

  National Chemical Laboratory for Industry, Higashi

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