
如何快速识别DEPT谱? - 知乎专栏
2023年11月19日 · dept谱分为三种: ①dept 135°:伯碳ch3、叔碳ch为正吸收信号,出正峰;仲碳ch2为负吸收信号,出负峰;季碳c消失,不出峰。 ②dept 90°:叔碳ch为正吸收信号,出 …
DEPT谱 - 百度百科
DEPT谱(Distortionless Enhancement by Polarization Transfer),又称为无畸变极化转移技术,是一种碳谱核磁共振谱中的一种检测技术,主要用于区分碳谱图中的伯碳、仲碳、叔碳和季 …
NMR综合解析分享——1H,13C,DEPT,NOE,COSY,HSQC,HMBC,29Si,…
dept(135°谱主要用来识别一级、二级、三级、四级碳原子。 在 DEPT(135°)谱中,一级碳原子(CH3)、三级碳原子(CH)为向上的峰,二级碳原子(CH2)为向下的峰,没有四级碳原子(C) …
13.11: DEPT ¹³C NMR Spectroscopy - Chemistry LibreTexts
DEPT ¹³C NMR spectroscopy is an indispensable tool for structural elucidation in organic chemistry, providing enhanced sensitivity and resolution compared to traditional ¹³C NMR …
DEPT NMR: Signals and Problem Solving - Chemistry Steps
The aim of this article is to explain the application of DEPT in solving NMR spectra. As an example , let’s see this (stimulated) 13 C NMR combined with the DEPT experiments: Notice …
ntunmr - 13C - DEPT - Proc - 說明 - Google Sites
Key Points for 13C + DEPT Charting. The baseline of each spectrum must be clearly visible. Each carbon signal is unique, and their intensities (peak heights) are not the same. The intensity of...
NMR谱图实例解析(1H/13C/DEPT/二维) - 知乎专栏
无畸变增强极化转移技术(Distortionless Enhancement by Polarization Transfer,DEPT),大大提高对 13C 的观测灵敏度,利用异核间的偶合对 13C 信号进行调制的方法,来确定碳原子的 …
DEPT: A tool for 13C peak assignments - Nanalysis
2015年11月19日 · Distortionless Enhancement by Polarization Transfer (DEPT) is a double resonance pulse program that transfers polarization from an excited nucleus to another – most …
结构解析干货:NMR谱图实例解析(1H/13C/DEPT/二维)-化学分 …
2022年8月30日 · 无畸变增强极化转移技术(Distortionless Enhancement by Polarization Transfer,DEPT),大大提高对13C 的观测灵敏度,利用异核间的偶合对13C 信号进行调制 …
14.12: DEPT ¹³C NMR Spectroscopy - Chemistry LibreTexts
2024年7月10日 · Numerous techniques developed in recent years have made it possible to obtain enormous amounts of information from 13 C NMR spectra. Among these techniques is one …