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- How would you differentiate between 1-methoxybutane and 2-methoxy-2-methylpropane using mass spectrometry. Draw a pridictive mass spectra for bothcompounds showing the major fragmentations including possible homocleavages,heterocleavages, base peak and molecular ion.Based on MS spectrum and the compound given, provide mechanistic explanations for fragmentations in the MS spectrum.What is the structure of the minor product with just the important J-values listed with protons labeled, along with a table that lists those protons chemical shift (d, ppm), integration, multiplicity, and J-values (Hz). Note – your aromatic signals will have to be listed as multiplets, and will need a chemical shift range.
- looking at this reaction (first image), The second image shows the 13C NMR spectrum of the 2-acetnaphthone which is the starting material and an 13C NMR spectrum obtained for the reaction product: Based a comparison of the two 13C NMR spectra, is product A or product B the major product of the reaction? - Explain your reasoning.Please help identify the other peaks? We did synthesis of isopentyl acetate, but water had shown up in other nmr spectrums.For 4'-aminoacetophenone, can you please annotate 1. Each of the hydrogen labels (please show on structure!) 2. The predicted chemical shift 3. The splitting pattern 4. The integral value for each hydrogen? Please help!!! 5. Other solvents / impurities? * Small peak at 7.2-3 ppm is CDCl3 (It is a solvent I used in lab for NMR prep) Please help!!! I want to know if I'm on the right page. I've attached the similar example!
- Label each of the attached in the mass spectrum of hexan-2-ol[CH3CH(OH)CH2CH2CH2CH3]: the molecular ion, the base peak, thefragment resulting from the loss of H2O, and α cleavage fragmentsTypical NMR for furoin, please label peaks shifts and jntBased on the information provided, is the –CH2CN group an o,p-director or m-director? Is it more likely to be electron donating or electron withdrawing? The estimated H NMR spectra and the actual H NMR spectra are both attached. Please reference to the images to answer the questions
- Propose a structure consistent with each set of data.For these two IR spectra, what are the significant peaks that I should be focusing on? And what functional groups are present? Thanks!Attached is the NMR of 1-indanone (top), 3,4 dimethoxybenzaldehyde (middle), and the product of the reaction (bottom). Based on the spectra, did the reaction work to obtain a pure, final condensation product? How do you know?