Investigation of the  31 P NMR chemical shift dependence of phosphoryl compounds on the inductive and resonance effects of substituents | Zendy

Rezvukhin A. I. | Zendy; Dolenko G. N. | Zendy; Krupoder S. A. | Zendy

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Investigation of the 31 P NMR chemical shift dependence of phosphoryl compounds on the inductive and resonance effects of substituents

Author(s) -

Rezvukhin A. I.,

Dolenko G. N.,

Krupoder S. A.

Publication year - 1985

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260230402

Subject(s) - chemistry , inductive effect , chemical shift , halogen , resonance (particle physics) , atom (system on chip) , computational chemistry , nuclear magnetic resonance spectroscopy , stereochemistry , organic chemistry , atomic physics , alkyl , physics , computer science , embedded system

Linear dual‐parameter equations relating the 31 P NMR chemical shifts in a series of phosphoryl compounds XYZP = O (X, Y, Z = various organic substituents or halogens) with the sums of inductive (σ I ) and resonance (σ R O ) constants of the substituents have been obtained. The direction of the influence of the inductive and resonance components of the electron demand of substituents, and their relative contributions to the δ 31P values, have been evaluated. The nature of the resonance contribution is discussed on the basis of the dependence between δ 31P values and the charge characteristics of the phosphorus atom (x‐ray P Kα shifts).

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