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1987 (1)
1Author    Dieter Sellmann+, Olaf KäpplerRequires cookie*
 Title    Übergangsmetallkomplexe mit Schwefelliganden, XXXII* Synthese der sterisch anspruchsvollen Thiolat-amin-Liganden rbu2-ma-H = 2-Mercapto-3,5-di  
 Abstract    'butylaniIin und rbu4-bmae-H2 = l,2-Bis(2-mercapto-3,5-di-'butylaniIino)ethan sowie ihrer Eisen-, Ruthenium-und Zink-Komplexe [Fe(CO)2(1)u2-ina)2], [Zn('bu2-ma)2] und [RuL2('bu4-bmae)], L = CO, PMe3, PPh3 Transition M etal Complexes with Sulfur Ligands, XXXII* Synthesis of the Sterically D em anding New Thiolate-am ine Ligands fbu2 -ma-H = 2-Mercapto-3,5-di-fbutylaniline and 'bu4-bm ae-H2 = l,2-Bis(2-m ercapto-3,5-di-fbutylanilino)ethane as well as of their Iron, Ruthenium and Zinc Complexes [Fe(CO)2 (fbu2-m a)2], [Zn('bu2-ma)2] and [RuL2 ('bu4 -bmae)], L = CO , PM e3, PPh3 In order to obtain soluble com plexes containing sterically protected metal centers the new bi-and tetradentate thiolate amine ligands 2-m ercapto-3,5-di-'butylaniline (-rbu2-m a-H) and l,2-bis(2-m ercapto-3,5-di-rbutylanilino)ethane (= 'bu4-bm ae-H 2) were synthesized. 'bu2-ma-H reacts with FeCl2 • 4 H 20 and CO to give [F e(C O)2(T3u2-m a)2], with Z n(ac)2 • 2 H 20 [Zn(rbu2-m a)2] is obtained whose acid hydrolysis and reaction with H 2S, respectively, yield pure rbu2-ma-H. The condensation o f 'bu2-ma-H with glyoxal yields the respective bis-benzthiazolidine, which is re­ duced by L iA lH 4 in the presence o f N a[N (SiM e3)-,] to rbu4-bmae-FL. rbu4-bm ae-Li2 reacts with [Ru(C O)3(THF)C12], [R u(PM e3)4Cl2] and [Ru(PPh3)2(C H 3C N)2Cl2], respectively, to yield [R u(L)2('bu4-bm ae)j (L = CO , PM e3, PPh3). The com plexes are more soluble in organic solvents than the corresponding unsubstituted bmae com plexes, bm ae2-= l,2-bis(2-m ercaptoanilino)-ethane(2—). 
  Reference    Z. Naturforsch. 42b, 1291 (1987); eingegangen am 12. Mai 1987 
  Published    1987 
  Keywords    Bulky Thiolate-am ine Ligands, Synthesis, Iron C om plexes, Ruthenium Com plexes, Zinc Com plexes 
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 TEI-XML for    default:Reihe_B/42/ZNB-1987-42b-1291.pdf 
 Identifier    ZNB-1987-42b-1291 
 Volume    42