不对称S, S″-二烷基N -(Arenesulfonyl)碳二硫代酰亚胺酯的合成及反应性

Sulfur Letters Pub Date : 2002-01-01 DOI:10.1080/02786110210630

W. Rudolf, D. Cleve, A. Riemer

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引用次数: 0

摘要

S, S '-二烷基N -(芳烃磺酰基)二硫代氨基甲酸酯可以通过二钠盐的连续烷基化在一锅反应中制备，也可以用N -(芳烃磺酰基)二硫代氨基甲酸酯4制备。C, h -酸性N -(arenesulfonyl)-碳二硫代酸盐3a, b, d在氢化钠存在下与噻唑烯反应。随后的甲基化分别生成2,3-二氢噻唑7和1,3-二硫醇8。

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Synthesis and Reactivity of Unsymmetrical S , S ″ -Dialkyl N -(Arenesulfonyl)Carbondithioimidates

S , S '-Dialkyl N -(arenesulfonyl)carbondithioimidates 3 are prepared either in a one-pot reaction by successive alkylation of disodium salts 2 or by using N -(arenesulfonyl)dithiocarbamates 4 . C,H-Acidic N -(arenesulfonyl)-carbondithioimidates 3a , b , d react with thiacumulenes in the presence of sodium hydride. Subsequent methylation leads to 2,3-dihydrothiazoles 7 and 1,3-dithiols 8 , respectively.

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Sulfur Letters

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