Übergangsmetallkomplexe mit Schwefelliganden, IX. Templat-Synthese und Reaktionen der Eisen(II)-Komplexe [Fe(CO)2(C6H4S2–X–S2C6H4)] mit kurz- und langkettig verbrückten o-Benzoldithiolat-Liganden, X = (CH2)n, n = 1,3–8,12; X = CH2COCH2; Synthese der freien Liganden / Transition Metal Complexes with Sulfur Ligands, IX* Template Synthesis and Reactions of the Iron(II) Complexes [Fe(CO)2(C6H4S2–X–S2C6H4)] with o-Benzenedithiolate Ligands. Bridged by Short as well as Long Chains (X = (CH2)n, n = 1,3–8,12; X = CH2COCH2); Synthesis of the Free Ligands