Citation: Wen Xiang HU, Shu Sen LI, Cheng Ye YUAN. EMPIRICAL RULES FOR ³¹p-NMR OF ORGANOPHOSPHORUS COMPOUNDS[J]. Chinese Chemical Letters, ;1992, 3(4): 275-278. shu

EMPIRICAL RULES FOR ³¹p-NMR OF ORGANOPHOSPHORUS COMPOUNDS

a Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032;
b Institute of Pharmacology and Toxicology Academy of Military Medical Sciences Beijing 100850

Received Date: 21 November 1991

The substituent effects on ³¹P-NMR chemical shifts, are determined by five empirical rules. The proposed rules are based on that the shielding (upfield shift) of resonance nucleus is governed by the spherical symmetry of the electron cloud
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