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首页> 外文期刊>Bioorganic and Medicinal Chemistry Letters >Reaction of thiols with 7-methylbenzopentathiepin.
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Reaction of thiols with 7-methylbenzopentathiepin.

机译:硫醇与7-甲基苯并五硫平的反应。

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摘要

Polysulfides typically react readily with thiols, thus, reactions of endogenous cellular thiols with the polysulfide linkage in naturally-occuring pentathiepin cytotoxins are likely to be an important aspect of their biological chemistry. Here, it is reported that the reaction of thiols with the pentathiepin ring system initially produces a complex mixture of polysulfides that further decomposes in the presence of excess thiol to yield the corresponding 1,2-benzenedithiol with concomitant production of H(2)S and dimerized thiol. In this reaction, a single molecule of the pentathiepin consumes approximately six equivalents of thiol. The reaction of thiols with the pentathiepin ring system is faster than the analogous reaction involving typical di- and trisulfides.
机译:多硫化物通常容易与硫醇反应,因此,天然存在的五硫平细胞毒素中具有多硫化物键的内源性细胞硫醇反应可能是其生物化学的重要方面。在这里,据报道,硫醇与五硫平环体系的反应最初产生了多硫化物的复杂混合物,该混合物在过量硫醇的存在下进一步分解,生成相应的1,2-苯二硫醇,并伴随生成H(2)S和二聚硫醇。在该反应中,五肽的一个分子消耗大约六当量的硫醇。硫醇与五硫平环体系的反应比涉及典型的二硫化物和三硫化物的类似反应要快。

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