Transition metal complexes with sulfur ligands. 95. Diazene, hydrazine, ammine and azido complexes with sulfur dominated [Ru(PPh3)('buS4')] fragments ('buS4'2- = 1,2-bis(2-mercapto-3,5-di-tert-butylphenylthio)ethanato(2-))
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[Ru(ClH)(PPh 3 )(« bu S 4 »)] (1) (« bu S 4 » = 1,2-bis((2-mercapto-3,5-di-tert-butylphenyl)thio)ethane(2-)) was obtained by one-pot synthesis from [RuCl,(PPh 3 ) 3 ], « bu S 4 »-Li 2 , and HCl gas. Elimination of HCl from 1 by reaction with bases gave [Ru(PPh 3 )(« bu S 4 »)].