本文着重从核磁共振光谱的角度(包括氢核磁共振谱和碳核磁共振谱)来研究多甘醇单甲醚季铵盐的结构。
This paper deals with the structural formula of polyethylene glycol quaternary ammonium by the 13C-NMR and 1H-NMR spectra.
通过元素分析、 红外光谱和氢核磁共振谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。
The crystal structure has been determined by X ray single crystal diffraction, showing a distorted trigonal bipyramidal configuration with five coordination for the central tin atom.
以钼磷酸为催化剂合成了两种羟基乙酸酯,并经沸点和核磁共振氢谱确定了它们的组成和结构。
Molybdophosphoric acid used as the catalyst, two alkyl glycolates were prepared. The glycolates were characterized by the boiling points and proton NMR spectra.
通过红外光谱、核磁共振氢谱明确了聚合物的组成和结构。
The structure and composition of the copolymer were identified and examined by infrared spectrogram and NMR-H spectrum.
利用元素分析、红外光谱、核磁共振氢谱和激光解析电离飞行时间质谱确证了其组成和结构。
Their chemical structures were confirmed by means of elemental analysis, infared spectra, proton nuclear magnetic resonance spectra and mass spectra.
通过红外光谱、核磁共振氢谱、元素分析确证了化合物的结构。
The structures of these compounds are identified by IR, HNMR and elemental analysis.
简述核磁共振氢谱(PMR)定量测法,并列举了一些应用实例。
This paper simply relates the quantitative analysis by PMR spectroscopy and enumerates some applied samples.
聚酰亚胺的结构经红外光谱和核磁共振氢谱确认,并对它的溶解性能、特征粘数、光学性能和热性能等进行了表征。
The structure, solubility, intrinsic viscosity, optical and heat property of polyimides was determined by FTIR, NMR, DSC and TGA et al.
目的用核磁共振氢谱(1h - NMR)指纹图谱对吴茱萸和其伪品花椒、蚕砂进行鉴别。
Objective 1h-nmr fingerprints was established to identify Evodiae, Pericarpium Zanthoxylum and Feculae Bombycis.
采用红外光谱、核磁共振氢谱、质谱等方法对1-(1 -环己烯)基二茂铁的结构进行鉴定,并介绍了一种较为方便的合成方法。
The structure of 1 - (1-cyclohexene) ferrocene is analyzed by IR, 'HNMR, MS and a method of synthesis is introduced in this paper.
所合成的化合物的结构已由质谱(MS)、红外光谱(IR)、核磁共振氢谱(1H NMR)所证实。
The synthetic compounds structure has been confirmed by 1H NMR, MS and IR.
帕米格雷及其衍生物的结构经过核磁共振氢谱、红外光谱、质谱等确证。
The structures of Pamicogrel and its derivatives were confirmed by H-NMR, IR, MS.
关键中间体及最终产物的结构经质谱、红外光谱、核磁共振氢谱及碳谱得到确证。
The structures of the key intermediates and target molecule were confirmed by ESI-MS, IR and NMR.
采用梯度洗脱技术对煤液化油进行了分离,并对芳烃部分进行了气相色谱质谱(GCMS)和核磁共振氢谱(1HNMR)分析。
The coal liquefaction oil was separated using gradient elution method and the aromatics were analyzed by gas chromatography and mass spectrometry (GCMS) and 1Hnuclear magnetic resonance (1HNMR).
结果化合物的结构经红外光谱、核磁共振氢谱、核磁共振碳谱确证。
Results the chemical structure of the target compound was confirmed by ir, 1h-nmr, 13c-nmr.
结果目标物结构经元素分析、质谱、核磁共振氢谱确证。
RESULTS The target structure was identified by EA, MS and 1H-NMR.
产物的结构通过红外光谱、核磁共振氢谱、质谱和单晶x -射线衍射法确定,并提出了可能的反应机理。
The structures of the products were determined by IR, 1h NMR, HRMS and X-ray analysis. And a possible reaction mechanism was put forward.
产物的结构通过红外光谱、核磁共振氢谱和质谱确定。
The structures of the products were determined by IR, 1h NMR and HRMS.
所有化学结构经由质谱和核磁共振氢谱得以确认。
The structure of all compounds were confirmed by MS and 'H-NMR.
报道了3- 巯基香豆素的合成方法。经元素分析,红外光谱,核磁共振氢谱和质谱确证了其结构。
The synthetic method for 3 mercaptocoumarin is reported. The structure of this compound has been confirmed by elemental analysis, IR, 1HNMR and MS.
结果与结论罗库溴铵的结构经红外光谱、核磁共振氢谱、质谱、元素分析确证,总收率达24.9%。
Results and conclusion The target compound was identified by IR, 1H-NMR, MS and elemental analysis, the overall yield is 24.9%.
本文报道了环状聚芳酯低聚物的核磁共振碳谱及氢谱。
The 13C-NMR and 1H-NMR spectra were reported for the macrocyclic polyaryl-ester oligomer.
结果:目标化合物经核磁共振氢谱、红外、熔点等确证其化学结构,总收率达22%。
Results: The structure of target compound was confirmed by 1h-nmr, ir and melting point. A total yield was 22%.
结果产物经红外、核磁共振氢谱、元素分析得到确认。
RESULTS The structure was identified by MS, 1HNMR and elementary analysis.
结果化合物的结构均经红外光谱、核磁共振氢谱、质谱及其元素分析确证。
Results Their chemical structures were determined by ir, 1h NMR, MS and elemental analysis. Conclusion The acyl chloride method was feasible to th...
设计合成了一系列基于咪唑、吡啶和三乙胺阳离子的离子液体,通过核磁共振氢谱和红外光谱对离子液体结构进行了表征。
A series of imidazolium, pyridinium and triethylamine cation-based ionic liquids were designed and synthesized as catalyst. The ionic liquids were characterized by 1h NMR and IR.
利用红外光谱和核磁共振氢谱对魔芋葡甘低聚糖醛酸丙酯硫酸酯钠的结构进行了分析,表明合成 物结构与试验设计相吻合。
The results of IR and H-NMR spectrometry show that it possesses the structure of heparinoid, which accords with the preceding design.
产物的结构通过红外光谱和核磁共振氢谱确定,并提出了可能的反应机理。
The structures of the products were determined by IR, 1h NMR. A possible reaction mechanism was put forward.
合成三种N,N'-1,4-亚丁基双螺吡喃和双螺恶嗪光致变色化合物,通过红外光谱、核磁共振氢谱及元素分析确证其结构。
Three photochromic N, N'-1,4-tetramethylene bisspiropyran and bisspirooxazine compounds were synthesized. They have been identified by IR spectra, 1H -NMR spectra and elemental analysis;
所有目标化合物的结构均经过核磁共振氢谱、高分辨质谱及红外光谱的确认。
The structures of all the newly synthesized compounds were characterized by HRMS, 1H NMR and IR spectroscopy.
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