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Integrated Problem 22.81 x Incorrect. Draw the structure of the compound with molecular formula C3H11N that...
Integrated Problem 22.81 Draw the structure of the compound with molecular formula CH1N that exhibits the following 'H NMR and 13C NMR spectra: Get Proton NR Carbon NMR 120 ? Edit SHOW HINT LINK TO VIDEO LINK TO VIDEO LINK TO VIDEO LINK TO VIDEO LINK TO VIDEO LINK TO TEXT
Practice Problem 15.58 Draw the structure of a compound with molecular formula CoH12 that produces the following H NMR spectrum. Proton NMR 5 6 5 3 2 Chemical Shift (ppm) Edit
Integrated Problem 12.71 Get help answering Molecular Drawing questions. This problem is intended for students who have already covered spectroscopy (Chapters 14 and 15). Propose a structure for a compound with molecular formula CH10 that exhibits the following 'H NMR spectrum. Proton NMA Chemical shift (ppm) 2 Edit Question Attempts: 0 of 2 used SUBMIT ANSWER
The given IR spectrum provides evidence for which functional
group(s)?
Integrated Problem 15.67 Deduce the structure of a compound with the molecular formula C6H1004 that exhibits the following IR, 1H NMR, and 13C NMR spectra. (Angew. Chem. Int. Ed. 2011, 50, 8387-8390) % Transmittance 1747 4000 3500 1500 1000 3000 2500 2000 Wavenumber (cm) Proton NMR 3 Expansion 3 2.5 1.5 ppm 5.5 4.5 ppm 10 9 8 7 3 2 1 6 5 4 Chomical Shift Innm 0 Carbon...
In this problem you have to elucidate the structure of product B. A substrate A (structure shown in scheme 1) which was subjected to two consecutive reactions as shown in scheme 1 below to give the product B of molecular formula CsH14Br2. Provide the structure for Product B based on the NMR data provided (attachment 2: Problem set 2). (The 1H NMR and 13C NMR of starting substrate A has been provided for reference purpose only) 1. MnO2, CHCI3, rt,...
Write down problem number.
Provide formula, HDI value, and a complete, chemically correct
structure for each problem.
Assign signals in the 1H and 13C spectra to specific atoms,
identify structural units and/or functional groups.
Example:
Problem # 3
Formula: C8H8O2
HDI: 5
1H NMR: p-substituted Ar at 7.27-7.97 ppm, benzylic CH3 group at
2.42 ppm, COOH proton at 12.9 ppm
13C NMR: carbonyl C at 167.8 ppm (ester or acid), benzylic CH3
at 21.40 ppm, 4 remaining signals are Ar...
For the molecular formula C9H11NO, please provide the degrees of
unsaturation (DoU) and the structure. Draw and label your proposed
structure for both your proton NMR table and the carbon NMR table.
Please provide a table for the proton NMR that includes the signal
label, chemical shift, multiplicity and the integration. For the
Carbon NMR please provide a table that includes the signal label
and the chemical shift
CNMR 200 180 160 140 120 80 60 40 100 PPM 20...
Use the spectra below to determine the molecular formula and
chemical structure of the unknown compound.
MASS 142 % of Base Peak 1147 40 50 70 80 5 100 % Transmittance Jari- 3000 1000 4000 'H NMR 300 MERE 2000 Wavenumber (cm) 3.0 25 20 15 Ppm 4.0 3.5 C/DEPT NMR 75.5 MHz ppm 60 50 40 80 70 90 100 110 120 170 160 150 140 130 ppm 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm COSY 300 MHz...
perpose a structure with a formula of C5H12O with the
given information
% Transmittance 0 4000 3500 3000 1500 1000 2500 2000 Wavenumber 1. Propose a structure for a compound with molecular formula C3H120 that exhibits the following 13C- NMR and IR spectra Carbon 13 NMR 73.8 100 90 80 70 60 50 40 Chemical shift (ppm) 30 20 10 0
1. For the molecular formula CHINO, please provide the degrees of unsaturation (DOU) and the structure. Draw and label your proposed structure for both your proton NMR table and the carbon NMR table. Please provide a table for the proton NMR that includes the signal label, chemical shift, multiplicity and the integration. For the Carbon NMR please provide a table that includes the signal label and the chemical shift. (10) CNMR 200 180 160 140 120 80 40 20 100...