• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

NOE 실험의 대용으로 응용될 수 있는 PFG Long-range COSY NMR 실험

Application of Pulsed Field Gradient Long-range COSY-NMR for the Assignment of Geminal Protons on Rigid System: supplemental method of NOE Experiment

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2005, v.18 no.1, pp.85-88
이석근 (한국화학연구원)
  • 56다운로드 수
  • 309조회수

Abstract

Antiphase character of cross peaks in long-range COSY is modulated by changing the fixed delay time and used to assign diastereotopic methylene protons on rigid systems which could produce unpredictable NOE phenomena because of complicate coupling spins.

keywords
NOE, Diastereotopic methylene, PFG long-range COSY


참고문헌

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(1996) In Encyclopedia of NMR,

2

(1985.) Two-Dimensional Nuclear Magnetic Resonance in Liquids, Delft University Press

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(1989.) The Nuclear Overhauser Effect in Structural and Conformational Analysis, VCH Publisher

4

Bruker reported that 10 % gradient strength for a standard 5 mm Willmad sample tube trans- lated into a gradient strength of 5.14 Gs/cm.,

5

Technical Information Bulletin No. AL-199,

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