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Structural studies on chiral (π-Allyl)Pd(II) complexes. 1H, 13C and 31P NMR Studies of [Pd(η3-CH3CHCHCH2)(S, S-Chiraphos)] CF3SO3

✍ Scribed by Paul S. Pregosin; Renzo Salzmann

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
426 KB
Volume
32
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

The chiral (π‐allyl)Pd(II) complex [Pd(η^3^CH~3~CHCHCH~2~)(S, S‐Chiraphos)]CF~3~SO~3~ was shown to exist in four isomeric forms (two diastereomeric and two geometric). Aspects of their three‐dimensional structures were elucidated using ^1^H, ^13^C and ^31^P one‐ and two‐dimensional NMR methods. The assignment of the diastereomers, which differ with respect to the coordinated face of the allyl ligand, was achieved using ^1^H‐NOESY methods.

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Structural NMR Studies on Aryl-Substitut
Structural NMR Studies on Aryl-Substituted π-Allyl–Pd(II) Complexes by Concerted Use of Gradient-Based Experiments
✍ Ramón Malet; Marcial Moreno-Mañas; Francesca Pajuelo; Teodor Parella; Roser Plei 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 553 KB

Complete 1H and 13C NMR assignments of several aryl-substituted p-allyl-Pd(II) complexes were achieved using modern gradient-based 1D and 2D experiments. In addition, unambiguous 31P assignments were readily made using an improved gradient-enhanced 1H-31P HMBC experiment from which the regiochemistr