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Chapter 16

Advanced Nuclear Magnetic Resonance Spectroscopy

구조적으로 유연한 분자의 NMR: 시간적 분해능
구조적으로 유연한 분자의 NMR: 시간적 분해능
At room temperature, the chair conformer of cyclohexane undergoes rapid ring flipping between two equivalent chair conformers at a rate of approximately ...
¹구조적으로 유연한 분자의 H NMR: 가변 온도 NMR
¹구조적으로 유연한 분자의 H NMR: 가변 온도 NMR
The axial and equatorial protons in cyclohexane can be distinguished by performing a variable-temperature NMR experiment. In this process, except for one ...
불안정한 양성자의 NMR: 시간적 분해능
불안정한 양성자의 NMR: 시간적 분해능
Protons bonded to heteroatoms such as nitrogen and oxygen exhibit a range of chemical shift values. This is due to the varying degree of hydrogen bonding ...
강의 이름: 불안정한 양성자의 1H NMR: 중수소(2H) 치환
강의 이름: 불안정한 양성자의 1H NMR: 중수소(2H) 치환
This lesson illustrates the role of deuterium substitution in simplifying the NMR spectrum of compounds comprising labile protons. One method employed is ...
핵 오버하우저 강화(NOE)
핵 오버하우저 강화(NOE)
Irradiation of a spin-active nucleus causes an increase or decrease in the signal intensity of neighboring nuclei that are not necessarily chemically ...
분극 전달(INEPT)에 의해 강화된 둔감한 핵
분극 전달(INEPT)에 의해 강화된 둔감한 핵
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and ...
이중 공명 기술: 개요
이중 공명 기술: 개요
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or ...
2D NMR 개요
2D NMR 개요
The 1D NMR spectrum of large and complex molecules like natural products has complicated splitting patterns and overlapping signals, which can be easily ...
2D NMR: 동핵 상관 기술 개요
2D NMR: 동핵 상관 기술 개요
Homonuclear correlation spectroscopy (COSY) is a powerful technique used in Nuclear Magnetic Resonance (NMR) spectroscopy to study the correlations ...
동핵 상관 분광법(COSY)
동핵 상관 분광법(COSY)
Homonuclear correlation spectroscopy, or COSY, is a 2-dimensional NMR technique that provides information about coupled protons. Typically, the geminal ...
2D NMR: 이핵 상관 기술 개요
2D NMR: 이핵 상관 기술 개요
Heteronuclear correlation spectroscopy is an analytical technique that investigates the coupling between different types of nuclei, often a proton and an ...
이핵 단일 양자 상관 분광법(HSQC)
이핵 단일 양자 상관 분광법(HSQC)
Heteronuclear single-quantum correlation spectroscopy (HSQC) is a 2D NMR technique that reveals one-bond correlations between hydrogen and a ...
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