a number of NMR solvents often used by organometallic chemists were not of the following compounds: (solution 1) acetone, dimethylform- amide, ethanol
NMR Impurities
NMR spectra were taken in a Bruker DPX-300 instrument (300 1 and 75 5 MHz shifts of the solvent residual peak2 and the water peak It should be noted that
JOC p
Generally speaking, water takes three forms in a deuterated solvent environment: HOH, HOD, and DOD In the proton NMR spectrum of a pure NMR solvent, both
double water peaks
Cambridge Isotope Laboratories, Inc www isotope com RESEARCH PRODUCTS NMR Solvent Data Chart More Solvents, More Sizes
nmrsolventschart
* HOD Peaks – NMR spectra of “neat” deuterated solvent always exhibit a peak due to H20 in addition to the residual solvent peak When the exchange rate
NMR Solvent Data Chart
Table S1 1H NMR Data2 proton mult THF-d 8 CD2Cl2 CDCl3 toluene-d 8 C6D6 C6D5Cl (CD3)2CO (CD3)2SO CD3CN TFE-d 3 CD3OD D2O solvent
NMR Solvent impurities Updated
Every lot of CIL solvent is routinely tested for both chemical and isotopic purity prior to release to inventory solvents are tested for purity by GC/MS for
CIL qNMR NMR analysis
NMR Reference Data Compounds CDCI3 (CD3)2SO C5D5N or C5H5N C6D6 or C6H6 D2O Acetic acid 2 13 1 95 2 13 1 63 2 16 Acetone 2 17 2 12
H NMR Chemical Shifts of Selected Compounds in different solvents
S9: (a) DEPT 135 and (b) DEPT 90 NMR (CDCl3, 125 MHz) spectra of compound 3 8 S10: 1 H NMR (Acetone-d6, 500 MHz) spectrum of compound 4
RNP SI
For CHD2 groups (deuterated acetone DMSO
19-Feb-2016 solvents (CDCl3 acetone-d6
Solution 3: acetic acid chloroform
The 1H spectra of the residual protons and 13C spectra were obtained on a Varian Gemini 200 spectrometer at 295°K. The NMR solvents used to acquire these.
16-Apr-2010 1H NMR Data a proton mult. THF-d8. CD2Cl2. CDCl3 toluene-d8. C6D6. C6D5Cl (CD3)2CO (CD3)2SO CD3CN. TFE-d3. CD3OD D2O solvent residual.
Solvent. Synonyms. Mol Wt BP °C Linear Formula H-Signal Multi. CDCl3. D2O. CD3OD (CD3)2SO (CD3)2CO CD3CN. C6D6. Acetic Acid. Ethanoic acid.
H NMR spectrum of boldine metabolite-4 (400 MHz Acetone-d6). C NMR spectrum of berberine metabolite-5 (100 MHz
H NMR (Acetone-d6 500 MHz) spectrum of compound 4 (Chrysosplenetin). 9. S11: 13. C NMR (Acetone-d6
1H-NMR spectrum of compound 1 (in Acetone-d6 400 MHz). Page 3. Molecules 2016
H-NMR (400 MHz Acetone-d6) spectrum of compound 8a ....................................................... 13. 13. C-NMR (101 MHz
NMR Chemical Shifts of Trace Impurities: Common Laboratory