Structure of tribromotris(pyridine)indium(III) pyridine solvate

Abstract

Abstract. [In(C5HsN)

On the synthesis and manipulation of InAs quantum dots

“…Similar compounds mer-[In(pyridine) 3 X 3 ]?pyridine (X~Br, Cl) are known. 21,22 Carty and Tuck calculated steric angles for InCl 3 ?3N systems and predicted a facial geometry to be preferred. 23 Strong repulsive interactions between bulky ligands in [In(pyridine) 3 X 3 ]?pyridine systems have subsequently been suggested to lead to the meridional geometry.…”

fac-[Bis(2-pyridylmethyl)amine-κ3 N]tribromoindium(III)

“…Only one crystal structure has been reported to date for a six-coordinate complex formulated as MX 3 (bpa) (X = halogen); [FeCl 3 (bpa)] (Viswanathan et al, 1996). The In-N bond distances in (I) ( Table 1) are similar to those observed in [InBr 3 (C 5 H 5 N) 3 ] [2.32 (2) Å ; Small & Worrall, 1982] and in [InBr 3 {-N(Me)-CH 2 -} 3 ] [2.338 (7), 2.355 (8) and 2.360 (7) Å ; Willey et al, 2001]. The In-Br bond trans to the bridging amino group [2.5682 (13) Å ] is shorter than that trans to the pyridyl ligand [2.6060 (9) Å ].…”

Diversity‐Oriented Synthetic Endeavors of Newly Designed Ferrier and Ferrier‐Nicholas Systems Derived from 1‐C‐Alkynyl‐2‐deoxy‐2‐C‐Methylene Pyranosides

“…The latter, containing electron‐deficient alkyne and alkene moieties could experience a “preferred” Lewis acid‐promoted thia‐Michael addition to the electron‐deficient alkyne to yield vinyl sulfides 44 (Scheme b) and 46 (Scheme a, Scheme b, Scheme c), followed by a second Lewis acid‐promoted thia‐Michael addition to the α,β‐unsaturated ketone system to yield a postulated tri‐thiolated intermediate 51 , from which compound 45 (Scheme c, d, e) could arise by ring closure to a C ‐alkenyl ketose followed by elimination to give the conjugated glycal 45 (Scheme ). Furthermore, the absence of a trithiolated derivative in the reaction of 14a with PyrSH as the nucleophile ( 45 , R = Pyr) might be related with the attenuated acidity of the reaction media, owing to the presence of an excess of PyrSH, which could prevent the elimination process from the above‐mentioned C ‐alkenyl ketose to the glycal.…”