Bildung und Strukturen von Nickelacyclen des Typs (LL′) NiCH2CH2C(O)O

A new set of nickelacyclic carboxylates (“nickelalactones”) containing pyridine as supporting ligand: synthesis, structures and application in C–C– and C–S– linkage reactions

“…1). The bond lengths and bond angles are quite normal and are comparable with those of similar complexes [12,42,43].…”

cis-Bis(2,2-bipyridine)dichloronickel(II) methanol solvate

“…If CH 3 CN is used for recrystallization (Ferbinteanu et al, 1998), two water molecules make strong hydrogen bonds with the chlorides. The structure of the dimethylformamide (DMF) solvate was also published the same year (Hipler et al, 1998). In both published structures, a C 2 axis is observed on the nickel making both chlorides and bipy ligands equivalent by symmetry.…”

The First Catalytic Synthesis of an Acrylate from CO2 and an Alkene—A Rational Approach

“…) has one of the longest NiÀO bonds (see Figure 1) amongst a set of crystallized nickelalactones (1.889(2) vs. 1.890(2) for dcpe, [18] 1.8448(1) for 2,2'-bipyridine, [37] 1.8655(13) for pyridine, [38] and 1.868(3) for DBU [9] ). Not surprisingly, neither heating a sample of 2 e in [D 8 ]THF or PhCl to 80 8C gave any product that would indicate the intermediacy of a b-hydride elimination product, nor did the reaction from [Ni(h 2 - (6) to 2 e take place under those conditions.…”