Structural Determination of Bicalutamide by IR,NMR and MS;
红外吸收光谱、核磁共振谱和质谱确证比卡鲁胺的结构
Ab Inito Study on δ 1~H NMR and δ 13~C NMR of Taxol and It′s Molecular Geometry;
紫杉醇的核磁共振谱及其分子几何构型的从头算研究
Theoretical Study on the NMR of Mycoepoxydiene;
Mycoepoxydiene核磁共振谱的理论研究
The intermediate was purified through extraction and crystallization and characterized by mass spectra, element analysis, Fourier transform infrared spectra and ~1H nuclear magnetic resonance spectroscopy, the result indicats that the intermediate of the reaction is 5-amino-naphthalene-1-carbamate (ANC) with a molecular weight of.
本文利用萃取、结晶等分离手段提纯出了该中间产物,并通过质谱、元素分析、红外光谱以及核磁共振谱等分析方法对其组成和结构进行了测定,结果表明该中间产物的分子量为216,组成为C12H12N2O2,结构为5-氨基-萘基-1-氨基甲酸甲酯。
1H NMR (nuclear magnetic resonance), 13 C NMR, distorsionless enhancement by polarization transter (DEPT) and a series of 2D NMR techniques, including heteronuclear multiple quantrum correlation (HMQC), heteronuclear multiple bond correlation (HMBC) and 1H-1H correlation spectrometry (COSY), were applied to assign all carbon and proton signals of the product.
以18β-甘草次酸为原料,合成了一种新的甘草次酸盐类衍生物——精氨酸甘草次酸,利用1HNMR、13CNMR、DEPT、1H-1HCOSY、HMQC、HMBC等1D和2DNMR技术对其碳和氢质子信号进行了全归属,并通过与两种原料化合物核磁共振谱数据的对比,揭示了该成盐反应的作用机制和产物的结构类型。
The ultraviolet spectrum,infrared spectrum,1D and 2D nuclear magnetic resonance (1H NMR,13 C NMR,1H-1H COSY,HMQC and HMBC) spectra and mass spectra of new drug lomerizine dihydrochloride were reported and interpreted.
对盐酸洛美利嗪的紫外光谱(UV)、红外光谱(IR)、一维及二维核磁共振谱(1HNMR、13CNMR、1H-1HCOSY、HMQC、HMBC)以及质谱(MS)进行了解析和报道,对其所有的NMR谱信号进行了归属,同时讨论了质谱的主要碎片离子的可能的裂解方式和红外特征吸收峰所对应的官能团的振动形式。
The spectra of()~1H NMR,()~(13)C NMR and two-dimensional NMR of EPC were also analyzed in detail,the differential explanations of the NMR spectra for EPC with predecessors,and an analytical method of the relativity of the integrated areas of differential carbon atoms in the inverse gated decoupling()~(13)C NMR spectrum were proposed in this paper.
通过对乙丙共聚物1H NMR,13C NMR和13C1-H二维核磁共振谱的综合分析,提出了与前人不同的归属,并提出了不同位置碳原子积分面积相关性分析方法,该方法避免了烦琐的理论计算,可简便地得到乙丙共聚物的主要序列结构。
At the same time, the IR spectrum of this compound was calculated by B3LYP method at the level of 6-31G* and its NMR spectrum was studied by B3LYP method at the levels of 6-31G*,6-311G** and 6-311++G** respectively.
在RHF/6 31G 和B3LYP/6 31G 水平下优化了3,6 二甲氧基环丙基萘(MOCPN)的平均几何构型,用B3LYP/6 31G 方法计算了该化合物的红外光谱,并用GIAO分别在B3LYP/6 31G 、B3LYP/6 311G 和B3LYP/6 311++G 水平对该化合物的核磁共振谱进行了研究;计算结果与实验结果吻合很好。
Data mining technique in the bank of nuclear magnetic resonance spectra;
数据挖掘技术在核磁共振谱谱图库中的应用
Theoretical Study on Nuclear Magnetic Resonance Spectra of TMS、Three-ring Compounds and Isoflavone Derivatives;
TMS、三元环体系和异黄酮衍生物的核磁共振谱的理论研究
Its molecular structure was characterized by MS and various NMR spectra.
从分离筛选的海洋放线菌N331的发酵液中分离、纯化得到一种无色结晶抗菌化合物SR-B,通过对其质谱、多种核磁共振谱的结构信息进行分析,鉴定其分子结构。
high resolution N M R spectrum
高分辨率核磁共振谱
Fourier transform-NMR spectrometry
傅里叶变换核磁共振谱法
Theoretical Study on NMR Spectrum of Catalpol by DFT
基于DFT的梓醇核磁共振谱的理论研究
high resolution nuclear magnetic resonance spectroscopy
高分辨核磁共振光谱学
two-coil nuclear magnetic resonance spectrometer
双线圈核磁共振波谱仪
proton nuclear magnetic resonance spectroscopy
质子核磁共振波谱学
continuous wave NMR spectrometer
连续波核磁共振波谱仪
pulsed-wave NMR spectrometer
脉冲波核磁共振波谱仪
two-dimensional NMR spectroscopy
二维核磁共振波谱学
pulse type NMR spectroscope
脉冲核磁共振波谱仪
ultra-high frequency nuclear magnetic resonance spectrometer
超高频核磁共振波谱仪
high impedance NMR spectrometer
高阻抗核磁共振波谱仪
persistent wave NMR spectroscope
边疆波核磁共振波谱仪
gas-chromatography-nuclear magnetic resonance spectrometer
气相色谱-核磁共振波谱仪
Application of NMR and MS to Structural Analysis of Saccharide
糖类结构的核磁共振波谱及质谱分析
Diagnosis of Cerebri Gliomatosis with Magnetic Resonance Image and Magnetic Resonance Spectroscopy
大脑胶质瘤病的核磁共振成像及核磁波谱成像
high resolution proton NMR spectrometer
高分辨率质子核磁共振波谱仪
high resolution NMR spectrometer
高分辨率核磁共振摄谱仪