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By cleavage of disulfide and diselenide derivatives of the boron difluoride acetylacetonate the previously unknown sulfenyl(selenyl) chlorides and bromides were prepared. It was shown that these compounds could be involved into the substitution and addition reactions characteristic of sulfenyl(selenyl) halides. [ABSTRACT FROM AUTHOR]

Metal β-diketonates react with sulfur dichloride to form sulfenyl chlorides irrespective of β-substituent. Bulky phenyl and tert-butyl groups do not prevent formation of fully substituted complexes. The possibility of preparing sulfenyl chloride derivatives of rhodium, ruthenium, and vanadium β-diketonates was demonstrated. A new procedure was suggested for preparing chlorosulfenyl-substituted β-diketonates. Disulfur dichloride reacts with metal chelates with the substitution of both chlorine atoms and formation of polynuclear complexes in which the diketonate groups are linked by disulfide bridges. [ABSTRACT FROM AUTHOR]