349545-05-7Relevant articles and documents
Synthesis and structures of gallaarsenes LGaAsGa(X)L featuring a Ga-As double bond
Schoening, Juliane,John, Lukas,W?lper, Christoph,Schulz, Stephan
, p. 17729 - 17734 (2019)
Three equivalents of LGa {L = HC[C(Me)N(2,6-i-Pr2C6H3)]2} react with AsX3 (X = Cl, Br) by insertion into two As-X bonds, followed by the elimination of LGaX2 and formation of LGaAsGa(Cl)L (1) and LGaAsGa(Br)L (2). According to single crystal X-ray analysis, 1 and 2 each exhibit one Ga-As single bond and one Ga-As double bond. The π-bonding contribution (9.71 kcal mol-11 and 9.44 kcal mol-12) was proved by variable temperature (VT) 1H NMR spectroscopy, while the electronic structure of 1′ was studied by quantum chemical calculations.
Formation and Cleavage of a Sb?Sb Double Bond: From Carbene-Coordinated Distibenes to Stibinidenes
Krüger, Julia,W?lper, Christoph,Auer, Alexander A.,Schulz, Stephan
, (2021/12/27)
Reactions of L(Cl)Ga-substituted stibine [L(Cl)Ga]2SbCl (L=HC[C(Me)NAr]2; Ar=2,6-i-Pr2C6H3) with N-heterocyclic carbenes RNHCMe (RNHCMe=[C(R)NMe]2C:; R=Me, Et, iPr) gave NHC-coordinated stibinidenes L(Cl)GaSb-RNHCMe (R=Me 1 a, Et 1 b, iPr 1 c) and distibenes L(Cl)GaSbSb(RNHCMe)Ga(Cl)L (R=Me 2 a, Et 2 b, iPr 2 c). Distibenes 2 a and 2 b react with a second equivalent of RNHCMe with cleavage of the Sb?Sb double bond and formation of stibinidenes 1 a and 1 b. 1 a–2 b were spectroscopically characterized and the solid-state structures determined by single crystal X-ray diffraction (sc-XRD). Quantum chemical calculations gave a deeper insight into the electronic nature and bonding situation of 1 a–2 c and the reaction energetics were investigated in detail.
Siloxide and triflate gallium(III) complexes supported by the BDI Ligand
Chisholm,Navarro-Llobet,Gallucci
, p. 6506 - 6508 (2008/10/08)
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