Two new iron-sulfur carbonyl complexes, [Fe2(SC6H4Cl)2(CO)6]·0.5(Et2O) 1 and [Fe3(SC6H4NH2)6(CO)6]·2(MeOH) 2, have been prepared and characterized by elemental analysis, IR spectra and single-cry...Two new iron-sulfur carbonyl complexes, [Fe2(SC6H4Cl)2(CO)6]·0.5(Et2O) 1 and [Fe3(SC6H4NH2)6(CO)6]·2(MeOH) 2, have been prepared and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. Crystal data for 1: monoclinic, C2/c, a = 18.4439(8), b = 11.0999(5), c = 25.1830(10)A°, β = 97.0370(10)°, V = 5116.8(4) A°^3, Z = 8, C20H13Cl2Fe2O6.50S2, Mr = 604.02, Dc = 1.568 g/cm^3, μ = 1.540 mm^-1, F(000) = 2424, the final R = 0.0545 and wR = 0.1454 for 3443 observed reflections with I 〉 2σ(I); 2: monoclinic, P21/n, a = 12.350, b = 26.3050(11), c = 16.057A°, β = 97.891 (3)°, V = 5166.9(2)A°^3, Z = 4, C44H44Fe3N6O8S6, Mr = 1144.76, Dc = 1.472 g/cm^3, μ = 1.128 mm^-1, F(000) = 2352, the final R = 0.0442 and wR = 0.1197 for 7978 observed reflections with I 〉 2σ(I). Complex 1 contains one iron dimer, in which two tricarbonyliron(Ⅰ) fragments are bridged together by two 4-chlorophenylthiolate ligands, whereas complex 2 contains a linear tri-iron cluster, in which two terminal tricarbonyliron(Ⅱ) fragments and the central Fe(Ⅱ) atom are linked together by six 4-aminophenylthiolate bridging ligands.展开更多
Oxathioacetalyzation of carbonyl compounds with 2-mercaptoethanol and deprotection of the obtained 1,3-oxathiolanes is easily performed in the presence of silica sulfuric acid (SSA). All reactions were performed und...Oxathioacetalyzation of carbonyl compounds with 2-mercaptoethanol and deprotection of the obtained 1,3-oxathiolanes is easily performed in the presence of silica sulfuric acid (SSA). All reactions were performed under mild and completely heterogeneous reaction conditions in good to high yields.展开更多
基金This project was supported by the NNSF of China (No. 20471061) and the Science & Technology Innovation Foundation for the Young Scholar of Fujian Province (No. 2005J059)
文摘Two new iron-sulfur carbonyl complexes, [Fe2(SC6H4Cl)2(CO)6]·0.5(Et2O) 1 and [Fe3(SC6H4NH2)6(CO)6]·2(MeOH) 2, have been prepared and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. Crystal data for 1: monoclinic, C2/c, a = 18.4439(8), b = 11.0999(5), c = 25.1830(10)A°, β = 97.0370(10)°, V = 5116.8(4) A°^3, Z = 8, C20H13Cl2Fe2O6.50S2, Mr = 604.02, Dc = 1.568 g/cm^3, μ = 1.540 mm^-1, F(000) = 2424, the final R = 0.0545 and wR = 0.1454 for 3443 observed reflections with I 〉 2σ(I); 2: monoclinic, P21/n, a = 12.350, b = 26.3050(11), c = 16.057A°, β = 97.891 (3)°, V = 5166.9(2)A°^3, Z = 4, C44H44Fe3N6O8S6, Mr = 1144.76, Dc = 1.472 g/cm^3, μ = 1.128 mm^-1, F(000) = 2352, the final R = 0.0442 and wR = 0.1197 for 7978 observed reflections with I 〉 2σ(I). Complex 1 contains one iron dimer, in which two tricarbonyliron(Ⅰ) fragments are bridged together by two 4-chlorophenylthiolate ligands, whereas complex 2 contains a linear tri-iron cluster, in which two terminal tricarbonyliron(Ⅱ) fragments and the central Fe(Ⅱ) atom are linked together by six 4-aminophenylthiolate bridging ligands.
文摘Oxathioacetalyzation of carbonyl compounds with 2-mercaptoethanol and deprotection of the obtained 1,3-oxathiolanes is easily performed in the presence of silica sulfuric acid (SSA). All reactions were performed under mild and completely heterogeneous reaction conditions in good to high yields.