Reactions and Coordination Properties of the First Secondary Carbaboranyldiphosphane: 1,2-Bis(phenylphosphanyl)-1,2-dicarba-closo-dodecaborane(12)

Koordinationseigenschaften von Carbaboranylchlorophosphanen: Synthese und Molekülstruktur voncis-rac-Molybdäntetracarbonyl{1,2-bis(chlorophenylphosphino)-1,2-dicarba-closo-dodecaboran(12)}

“…Synthese, spektroskopische Untersuchung und Moleku È lstruktur von cis-rac-[Mo(CO) 4 {1,2-(PPhCl) 2 C 2 B 10 H 10 }] (2) Wir konnten bereits ku È rzlich zeigen, daû rac-1,2-Bis(chlorophenylphosphino)-1,2-dicarba-closo-dodecaboran (12) (1) [1,9] mit [PdCl 2 (COD)] (COD = Cyclooctadien) bei Raumtemperatur in einer glatten Reaktion zu cis-rac-[PdCl 2 {1,2-(PPhCl) 2 C 2 B 10 H 10 }] reagiert [7]. Hingegen setzt sich 1 mit [Mo(CO) 4 (m = 2034, 1955, 1936, 1905 cm ±1 ) [9] zu ho È heren Wellenzahlen verschoben, was fu È r eine sta È rkere Metall±Phosphor-Ru È ckbindung in 2 spricht.…”

“…Im Gegensatz hierzu sind in cis-rac-[PdCl 2 {1,2-(PPhCl) 2 C 2 B 10 H 10 }] [7] deutliche strukturelle Unterschiede zwischen koordiniertem und unkoordiniertem Liganden 1 festzustellen. Die Moleku È lstruktur von 2 ist der von cis-rac-[Mo(CO) 4 {1,2-(PHPh) 2 C 2 B 10 H 10 }] [9] vergleichbar.…”

The novel 1D chain and 3D network of mercury carborane–diphenylphosphine complexes constructed by covalent bond or hydrogen bond interactions

“…Due to its excellent ability for forming stable five-member chelating ring between the ligand and the metal atom, the closo carborane diphosphine ligand 1,2-(PPh 2 ) 2 -1,2-C 2 B 10 H 10 has become the intensely studied carborane derivative in coordination chemistry [13][14][15][16][17][18][19][20][21]. Complex 1, in which the closo structure of carborane was retained, was obtained by treating the above diphosphine ligand with HgCl 2 in CH 2 Cl 2 under the reflux condition (Scheme 1).…”

“…These noncovalent interactions include: 1,2-Bis(phenylphosphanyl)-1,2-dicarba-closo-dodecaborane was first reported by Alexander and Schroeder in 1963 [12]. Since then, several derivatives with organophosphorus substituents have been prepared, and many coordination complexes of these organophosphorus ligands structurally characterized by X-ray diffraction, such as Pd [13], Pt [14], Cu [15], Ag [16], Au [17], Ru [17c,18], Rh [13e,19] and Mo [20], have been investigated. Recently, We have reported some Cu, Ag, Ni, Pd, Pt, Zn and Cu-Mo(W), Ag-Mo(W) complexes of the carborane ligands closo-1,2-(PPh 2 ) 2 -1,2-C 2 -B 10 H 10 and nido-[7,8-(PPh 2 ) 2 -7,8-C 2 B 9 H 10 )] À ) [21].…”

Synthesis, reactivity and complexation studies of N,S exo-heterodisubstituted o-carborane ligands. Carborane as a platform to produce the uncommon bidentate chelating (pyridine)N-C-C-C-S(H) motif

“…Anal. calcd for C 9 H 19 B 10 NS: N,4.97;C,38.41;H,6.8;S,11.4;Found: N,4.95;C,38.20;H,6.50;S,11.15%. IR: m/cm −1 2965, 2924 (C aryl -H/C alkyl -H); 2569 (B-H); 2364, 2338 (S-R); 1584 (C=N); 1463, 1433 (C-N); 1081, 1014 (C-N-C); 811 (CH 3 ); 774, 740 (C aryl -H).…”