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首页> 外文期刊>RSC Advances >Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes
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Sulfur, mercury, and boron adducts of sydnone imine derived anionic N-heterocyclic carbenes

机译：亚砜亚胺衍生的阴离子N-杂环卡宾的硫，汞和硼加合物

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摘要

The sydnone imines (5-benzoylimino)-3-(2-methoxyphenyl)-sydnone imine and molsidomine were deprotonated at C4 to give sydnone imine anions which can be represented as anionic N-heterocyclic carbenes, respectively. Trapping reactions with sulfur gave unstable sydnone imine sulfides which were stabilized by the formation of methyl thioethers, methyl sulfoxides, gold complexes [(PPh _(3) )Au–S-sydnone imine] and a bis(ligand) mercury( II ) complex. The latter possesses a tetrahedral coordination of the mercury central atom to the sulfur atoms with the N6 nitrogen atoms coordinating as neutral ligands. Water converted the molsidomine anion into ethyl(2-morpholino-2-thioxoacetyl)carbamate. Mercury( II )chloride and triphenylborane were employed to trap the sydnone imine carbenes as mercury complexes as well as BPh _(3) adducts.
机译：sydnone亚胺（5-苯甲酰亚氨基）-3-（2-甲氧基苯基）-sydnone亚胺和molsidomine在C4脱质子化得到sydnone亚胺阴离子，分别可表示为阴离子N-杂环卡宾。与硫的诱捕反应产生不稳定的亚砜亚砜亚砜，可通过形成甲基硫醚，甲基亚砜，金络合物[（PPh _（3）AU-S-亚砜亚胺]和双（配体）汞（II）络合物来稳定。后者具有汞中心原子与硫原子的四面体配位，其中N6氮原子配位为中性配体。水将molsidomine阴离子转化为（2-吗啉代-2-硫代乙酰基）氨基甲酸乙酯。氯化汞（II）和三苯硼烷用于捕获作为水银配合物以及BPh _（3）加合物的丁二烯酮亚胺碳烯。

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