@unpublished{ArrowsmithBoehnkeBraunschweigetal.2017, author = {Arrowsmith, Merle and B{\"o}hnke, Julian and Braunschweig, Holger and Celik, Mehmet Ali}, title = {Reactivity of a Dihydrodiborene with CO: Coordination, Insertion, Cleavage and Spontaneous Cyclic Alkyne Formation}, series = {Angewandte Chemie, International Edition}, journal = {Angewandte Chemie, International Edition}, doi = {10.1002/anie.201707907}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-153318}, year = {2017}, abstract = {Under a CO atmosphere the dihydrodiborene [(cAAC)HB=BH(cAAC)] underwent coordination of CO concomitant with reversible hydrogen migration from boron to the carbene carbon atom, as well as reversible CO insertion into the B=B bond. Heating of the CO-adduct resulted in two unusual cAAC ring-expansion products, one presenting a B=C bond to a six-membered 1,2-azaborinane-3-ylidene, the other an unprecedented nine-membered cyclic alkyne resulting from reductive cleavage of CO and spontaneous C≡C triple bond formation.}, language = {en} } @unpublished{ArrowsmithBraunschweigStennett2017, author = {Arrowsmith, Merle and Braunschweig, Holger and Stennett, Tom}, title = {Formation and Reactivity of Electron-Precise B-B Single and Multiple Bonds}, series = {Angewandte Chemie, International Edition}, volume = {56}, journal = {Angewandte Chemie, International Edition}, number = {1}, doi = {10.1002/anie.201610072}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-145631}, pages = {96-115}, year = {2017}, abstract = {Recent years have seen rapid advances in the chemistry of small molecules containing electron-precise boron-boron bonds. This review provides an overview of the latest methods for the controlled synthesis of B-B single and multiple bonds as well as the ever-expanding range of reactivity displayed by the latter.}, language = {en} } @article{ArnoldBraunschweigGruss2011, author = {Arnold, Thomas and Braunschweig, Holger and Gruss, Katrin}, title = {cyclo-Tri-mu-oxido-tris{[(eta 5,eta 5)-1,2-bis(cyclopentadienyl)-1,1,2,2-tetramethyldisilane]zirconium(IV)}: a trimeric disila-bridged oxidozirconocene}, series = {Acta Crystallographica Section E: metal-organic compounds}, volume = {67}, journal = {Acta Crystallographica Section E: metal-organic compounds}, doi = {10.1107/S1600536811007094}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-134802}, pages = {M391-sup-23}, year = {2011}, abstract = {The title compound, [Zr(3)(C(14)H(20)Si(2))(3)O(3)], consists of three disila-bridged zirconocene units, which are connected via an oxide ligand, forming a nearly planar six-membered ring with a maximum displacement of 0.0191 (8) A. The compound was isolated as a by-product from a mixture of [(C(5)H(4)SiMe(2))(2)ZrCl(2)] and Li[AlH(4)] in Et(2)O.}, language = {en} } @article{ArnoldBraunschweigDamme2012, author = {Arnold, Nicole and Braunschweig, Holger and Damme, Alexander}, title = {Bis(μ-diisopropyl-phosphanido-\(κ^2\)P:P)bis-[hydrido(triisopropyl-phosphane-κP)platinum(II)]}, series = {Acta crystallographica. Section E, Structure reports online}, volume = {E68}, journal = {Acta crystallographica. Section E, Structure reports online}, doi = {http://dx.doi.org/10.1107/S1600536812022829}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-123723}, pages = {m808}, year = {2012}, abstract = {In the centrosymmetric molecular structure of the title compound \([Pt_2(C_6H_{14}P)_2H_2)(C_9H_{21}P)_2]\), each \(Pt^{II}\) atom is bound on one side to a phosphane ligand \((PiPr_3)\) and a hydrido ligand. On the other side, it is bound to two phosphanide ligands \((μ-PiPr_2)\), which engage a bridging position between the two \(Pt^{II}\) atoms, forming a distorted square-planar structure motif. The PtPt distance is 3.6755(2){\AA}. A comparable molecular structure was observed for bis-(μ-di-tert-butyl-phosphanido)bis-[hydrido(triethyl-phosphane)platinum(II)] [Itazaki et al. (2004 ). Organometallics, 23, 1610-1621].}, language = {en} } @article{AnsellKostakisBraunschweigetal.2016, author = {Ansell, Melvyn B. and Kostakis, George E. and Braunschweig, Holger and Navarro, Oscar and Spencer, John}, title = {Synthesis of functionalized hydrazines: facile homogeneous (N-heterocyclic carbene)-palladium(0)-catalyzed diboration and silaboration of azobenzenes}, series = {Advanced Synthesis \& Catalysis}, volume = {358}, journal = {Advanced Synthesis \& Catalysis}, number = {23}, doi = {10.1002/adsc.201601106}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-186582}, pages = {3765-3769}, year = {2016}, abstract = {The bis(N-heterocyclic carbene)(diphenylacetylene)palladium complex Pd(ITMe)\(_2\)(PhCCPh)] (ITMe=1,3,4,5-tetramethylimidazol-2-ylidene) acts as a highly active pre-catalyst in the diboration and silaboration of azobenzenes to synthesize a series of novel functionalized hydrazines. The reactions proceed using commercially available diboranes and silaboranes under mild reaction conditions.}, language = {en} }