Identify the unknown compound structure using the spectra information given. Thank you!
Identify the unknown compound structure using the spectra information given. Thank you! IR Data 100 Mass...
7. Consider the IR, 'H-NMR and C-NMR spectra of the compound with MFC,1,0, Identify the structure of the unknown compound MP pls MW 114 *C 73.6 WW 124 Mass Spee, D relativ mix bund, 27 71 74 LESTE WVELDEN Copyright © 1994 래 TTTT 2.0 3.0 Proton NMR 1.5 1.0 PPM MITTIT 200 TTI TITTI 80 60 40 20 PPM 0 180 160 Y 120 140 100 Carbon 13 NMA 8. Consider the IR, 'H-NMR and 13C-NMR spectra of the...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following slides. Propose a structure for this unknown and answer or address the following questions or requirements: a. Using the most abundant isotopes of C, H and O, what are the errors in ppm and milli-Daltons for the experimental accurate mass?...
A variety of spectra for an organic compound with molecular formula C10H16O are presented below. The experimental accurate mass using (+) APCI source is 153.1280 u. The 1H, 13C, COSY, HSQC and HMBC NMR spectra are given in the following slides. Propose a structure for this unknown and answer or address the following questions or requirements: d. If there are still any questionable assignments, propose additional NMR experiments which would solve those questions and briefly explain specifically what correlations you...
Please help me find the unknown structure, Thanks. Unknown 261H-NMR Spectra 3.3 ppm 4-0 4.5 4.0 3.5 3.4 2.5 2.0 .0 .s a. 3.00 Unknown 26 - 13C-NMR Spectrum 32 34 28 24 20 14 ppm 60 40 200 180 160 140 120 100 20 Unknown 26 IR and Mass Spectra 100 80 40 20 50 75 100 125 m/z 2500 WAVENUMBER [cm-1] 1500 3500 2000 1000 4000 3000 500 TRANSMITTANCE %] Raufive hitensity 06 7 Unknown 26 1H-NMR Spectra...
The 1H NMR spectrum below corresponds to an unknown compound with the molecular formula C4H7Cl. Deduce and draw the structure of the molecule from the data below. Clearly show stereochemistry where applicable. 3 H H NMR 2 H 1 H (CH3)4Si 1 H 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 300-MHz H NMR spectrun ppm (o)
What is the structure of this compound? MASS SPECTRUM 100 Relative Intensities m/z 103-100% m/z 197-190 m/z 198-less than 1% 80 60 40 20 197 0.0t l.1 0.0 40 80 120 160 200 m/z H NMR spectrum, CDCls, 600 MHz 3.75 3.703 3.60 34 3.3 Chemical Shft (ppm) 3.65 3.55 Chemical Shft (ppm) 70 4.65 4.60 Chemical Shift (ppm) 1.26 1.24 122 120 1.18 1.16 Chemical Shift (ppm) 4.8 4.6 4.4.2 4.0 3.8 3.6 34 3.2 3.0 2.826 24 22...
please answer each question. 11. The NMR and IR spectra of an unknown compound with molecular formula C-H1002, are given below. What is the structure of the compound (10 pts). 100 S S- 95 Traitance 00 4000 3000 2000 1000 Wavenumbers (cm) 3.5 3.0 2.5 2.0 1.5 1.0 ppm Structure Bonus question (there is no partial credit, 5 pts): The attempted preparation of 1,3- cyclopentadiene from the base catalyzed E2-Elimination of hydrogen from 3- bromocyclopentane results in the formation of...
5-A compound (CH40) has the following 1H NMR, 13C NMR, and IR spectra. Propose a structure consistent with this data. Part marks are available so show your work! Clearly indicate your final proposed structure (10 Marks) C8H140 TOO -140 SI 30 3000 1000 2000 1000 Warenumbers (cm) 200 180 160 140 120 100 80 60 40 20 ppm ketone ble 1530 1510 1500 H 5.0 4.5 4.0 3.5 3.0 2.5 2.0 15 pm 4
3. Find the structure of a compound given the MS, IR, and NMR data below. When you have the solution, use it to determine the correct multiplicity of the signal at 5.1 ppm and explain the coupling pattern. A correct answer with no explanation will receive no credit. MASS 951 FL 100 128 1107 677 r69 r45 50 557 811 130 120 100 110 90 80 70 60 50 mt IR 100 50 2000 Wavenumber (cm-1) 1000 3000 4000 'H...
The following slides contain 1H and 13C-NMR spectra as well as GC/MS spectra for compound 2 shown below. After analyzing the spectra, assign all proton and carbon NMR signals using the numbering given on the structure. Additionally, present your data in table form including chemical shift, integration, coupling pattern, and coupling constants (where possible). For mass spectral data, justify key fragmentations (those which are starred*) by proposing fragment structures. 5 96337 03828 047734 739073 23444 14703 3 8 9 2...