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Volumn 10, Issue 12, 2004, Pages 2912-2918

1H, 19F, and 31P PGSE NMR diffusion studies on chiral organic salts: Ion pairing and the dependence of a diffusion value on diastereomeric structure

Author keywords

Chiral salts; Concentration effects; Diffusion; Ion pairs; NMR spectroscopy

Indexed keywords

DIFFUSION; ISOMERS; NUCLEAR MAGNETIC RESONANCE; SOLVENTS; STEREOCHEMISTRY;

EID: 3042794764     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/chem.200305719     Document Type: Article
Times cited : (66)

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    • H value for BINPHAT, Δ-2, in acetone (6.5 Å) is smaller than in methanol (7.0 Å), while for the cations 3 and 4 the radii in acetone (ca. 5.7 and ca. 5.4 Å, respectively) are larger than in methanol (ca. 5.3 and 5.0 Å, respectively). Evidently, we are observing selective solvation of the ions.
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    • - in methanol is probably too small, see ref. [20].
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    • 2, results in p values that are only 10-20% smaller than those shown in Table 3.
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    • We consider the errors to be similar for the four salts under comparison, due to their similar structures.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.