Über das asymmetrische Platinatom. VI

Reihlen, Hans; Hühn, Werner

doi:10.1002/jlac.19355190107

Cited by 5 publications

(1 citation statement)

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“…Some interesting reports of platinum(II) bpy complexes appeared in 1935 and concerned some anomalous results with the chiral ligand [203,204] H 2 NCHPhCH 2 NH 2 which were interpreted in terms of an asymmetric platinum atom. The exact origin of these effects is unclear but it seems likely that either the Pfeiffer effect (see later) was operative in the synthesis of complex cations such as [Pt(bpy)(H 2 NCHPhCH 2 NH 2 )] 2+ or that the authors were observing an early example of diastereoisomerism involving the δ and λ conformations of the chelate ring; the stereochemistry at the H 2 NCHPhCH 2 NH 2 ligand is known to be either R or S, and the Rδ and Sλ enantiomeric pair are diastereoisomers of the Sδ and Rλ enantiomeric pair.…”

Section: 1930–1939—golden Years and Then Back Into The Abyssmentioning

confidence: 99%

The Early Years of 2,2′-Bipyridine—A Ligand in Its Own Lifetime

2019

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The first fifty years of the chemistry of 2,2′-bipyridine are reviewed from its first discovery in 1888 to the outbreak of the second global conflict in 1939. The coordination chemistry and analytical applications are described and placed in the context of the increasingly sophisticated methods of characterization which became available to the chemist in this time period. Many of the “simple” complexes of 2,2′-bipyridine reported in the early literature have been subsequently shown to have more complex structures.

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