Crystal Structures of 2-(1-Naphthylamino)pyridine and 2-(Phenylamino)pyridine at 193 K.

Crystal structure of 2-(2,6-dimethylphenylamino)pyridine, C13H14N2

“…According to previously published studies, the formation of the centrosymmetric pairs seems to be typical for 2-aminopyridines. Also donor-acceptor distances are similar to previous data ( [1] and references therein). …”

“…Resulting hydrochlorous raw product was suspended to sodium carbonate solution. Product was extracted into dichloromethane [ 1 ]. The title compound was crystallised from diethylether-heptane.…”

Structural and spectroscopic studies of Au(III) and Pd(II) chloride complexes and organometallics with 2-benzylpyridine

“…The comparison of both salts to unprotonated 2-arylpyridines containing a bridge between pyridine and phenyl ring exhibits the increase of the C(6)-N(1)-C(2) angle upon protonation: 118.8(2)°in 2-(1-phenylbenzyl)pyridine (YANRAG) [29], 116.8(2)°i n 2-benzoylpyridine (NOGCIV) [30] or 117.5(2)°in 2-phenylaminopyridine (NARYEK) [31] ? 124.0(5)°or 123.8(5)° [27] in 2bzpyH + .…”

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“…(1)) or Grignard (eq. (2)) are formed in situ, the possibility of formation of these anions is always present, and indeed, this has been observed in some related zirconium(IV) chemistry where [Li(thf) 4 ][ZrCl 5 (thf)] and [Li(thf) 3 -l-Cl±ZrCl 4 (thf)] (thf = tetrahydrofuran) have been isolated in the reaction of LiNPh with ZrCl 4 [5]. There are, SnCl 4 + n RLi ® R n SnCl 4±n + n LiCl (1) SnCl 4 + n RMgX ® R n SnCl 4±n + n MgClX (2) however, potential side reactions which can occur in these types of reactions due to the propensity of SnCl 4 to abstract a halide from salts in which the M±Cl bond has some covalent character, forming [SnCl 4+n ] n± anions [4].…”

“…All non-hydrogen atoms were located and were refined with anisotropic thermal parameters. The structure of the [SnCl 5 (thf)] ± anion can be compared with that of [TiCl 5 (thf)] ± [14], [ZrCl 5 (thf)] ± [5], and [HfCl 5 (thf)] ± anions [15]. In both structures there was high thermal motion in the ether molecules.…”