![-0.8020 -- 7.2561 10 0546 5.2800 7.1500 1.5931 6,6697 5.6554 F4410T 1.3013 0.8867 7.9906 --0.0064 0 ppm] 10 12 14 frelj](http://img.homeworklib.com/questions/1c4bc140-7147-11ea-887a-d512cf84d9f9.png?x-oss-process=image/resize,w_560)
![DEPT Spectrum: Hexyl Acetate - 170.9186 -644353 - 13.7970 0 ppm] 10 12 14 frell 6 8](http://img.homeworklib.com/questions/1cd20ea0-7147-11ea-b7b9-951aa174246c.png?x-oss-process=image/resize,w_560)
Homework Answers
Mass spectra missing.
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Preparation of Hexyl Acetate
mass 144g/mol
Mass Spectrometry Data Table Intensity 144amu m/t Cationic Structure *H...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to...
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to determine its structure. IR Spectrum Mass Spectrometry Data relative abund 77 105 117 133 147 148 100 1H NMR Data 2H 24 ) H !! 13C NMR Data There are two unresolved lines between 130 and 131 ppa. TTTTTTTT 160 140 120 100 80 60 20 PPM 0 DEPT 135: positive: 18.4, 55.1, 113.9, 123.3, 126.9, 130.5 ppm DEPT 90: 113.9, 123.3, 126.9, 130.5...
In this problem you have to elucidate the structure of product B. A substrate A (structure...
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,...
Provide the most likely chemical structure that corresponds to each set of spectral data 2. Formula:...
Provide the most likely chemical structure that corresponds to
each set of spectral data
2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
Problem set 2: (25 marks) In this problem you have to elucidate the structure of product B. A substrate A (str...
Problem set 2: (25 marks) 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...
What is the structure of the unknown organic compound based on the information listed below?
What is the structure of the unknown organic compound based on
the information listed below?
Mass Spectrum (not shown): [M]-223 (100%) m/z IR Spectrum (not shown): 3060, 2985, 2850, 2750, 1745, 1600, 1550, 1495, 1350 cm otherwise indicated) (all listed are strong (s) unless H NMR Spectrum (400 MHz, CDCl3, 25 °C) d (J 8 Hz) d (J 2 Hz) quin dd(J 8, 2 Hz) 2 PPM 1H 1H 1H1H 1H 2H 3H 3H 13C NMR Spectrum (with DEPT), proton-decoupled...
Propose a reasonable structure based on the molecular formula, the 1H NMR, and the proton–decoupled 13C...
Propose a reasonable structure based on the molecular formula,
the 1H NMR, and the proton–decoupled 13C NMR data below. The
unknown compound has a molecular formula of C7H16O and * = CH2 by
DEPT.
Propose a reasonable structure based on the molecular formula, the 'H NMR, and the proton-decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H160 and * = CH2 by DEPT. 'H NMR 3H 8H 13C NMR 2H (CH3)4 Si 26 VIH them...
For the protons labeled Ha and Hb in the structure below, predict the characteristics of their...
For the protons labeled Ha and Hb in the structure below, predict the characteristics of their signals in the H NMR spectrum: the approximate chemical shift, the splitting pattern, and the integration value of their signals. Approximate Integration Splitting chemical shift value O 1H H NMR signal O 1 ppm O singlet for H O doublet O 2H 2 ppm O 3H O 3-4 ppm O triplet Br O 4H O 5-6 ppm O quartet O 5H O 7-8 ppm...
Fill in the blank s=singlet d= doublet q= quartet and so on also which molecule match...
Fill in the blank s=singlet d= doublet q= quartet and so on also
which molecule match the HNMR and CNMR spectra
Observed 1H NMR and 13C NMR spectra: NMR Data Table for Predicting Expected Signals ЗН # of 'H Alcohol Ester Esterification Product with Acetic Acid # of 13C Ester NMR signals NMR signals 1H Ester NMR Integration & splitting (from left to right) HO Ethanol 4 3 3H(s), 2H(q), 3H(t) Ethyl acetate НО 1-Butanol Butyl acetate 2H 3H 4H...
Draw the structure of the compound C10H12O that exhibits the 13C-NMR spectrum and DEPT data below. Impurity peaks are omitted from the DEPT data list. The triplet at 77 ppm is CDCl3. Draw the structu...
Draw the structure of the compound
C10H12O that exhibits the
13C-NMR spectrum and DEPT data below. Impurity peaks are
omitted from the DEPT data list. The triplet at 77 ppm is
CDCl3.
Draw the structure of the compound C10H120 that exhibits the 13C-NMR spectrum and DEPT data below. Impurity peaks are omitted from the DEPT data list. The triplet at 77 ppm is CDCl Used with p n from Aldrich Chemical Co., Inc. Solvent CDCls Shift DEPT 90 DEPT 135...
Construct a 13C NMR data table for the structure shown. Identify the chemical shifts, and the...
Construct a 13C NMR data table for the structure shown. Identify
the chemical shifts, and the type of splitting that you\'d expect
were a \"coupled\" carbon-NMR to be acquired.
Construct a 13C NMR data table for the structure shown. Identify the chemical shifts, and the type of splitting that you'd expect were a "coupled" carbon-NMR to be acquired. CH3)2CHCH, CH = CHCH,OCH3 0-50 50-100 100-160 160-220 singlet doublet triplet quartet Chem. Shift Splitting
1. Use the 'H NMR, 13C NMR, mass spectrometry and IR dat of a compound to determine its structure. IR Spectrum Mass Spectrometry Data relative abund 77 105 117 133 147 148 100 1H NMR Data 2H 24 ) H !! 13C NMR Data There are two unresolved lines between 130 and 131 ppa. TTTTTTTT 160 140 120 100 80 60 20 PPM 0 DEPT 135: positive: 18.4, 55.1, 113.9, 123.3, 126.9, 130.5 ppm DEPT 90: 113.9, 123.3, 126.9, 130.5...
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,...
Provide the most likely chemical structure that corresponds to
each set of spectral data
2. Formula: C6H120 IR: 2960 cm-- (strong), 2874 cm 2 (medium), 1716 cm2 (strong, sharp) "H NMR: 2H, doublet (2.312 ppm); 1H, multiplet (2.133 ppm); 3H, singlet (2.123 ppm); 6H, doublet (0.926 ppm) 13C NMR: 208 ppm, 53 ppm, 30 ppm, 24 ppm, 22 ppm 3. Formula: C4H100 IR: 3339 cm (broad, strong), 2957 cm (strong), 2874 cm (medium) "H NMR: 6H, doublet (0.9 ppm); 1H,...
Problem set 2: (25 marks) 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...
What is the structure of the unknown organic compound based on
the information listed below?
Mass Spectrum (not shown): [M]-223 (100%) m/z IR Spectrum (not shown): 3060, 2985, 2850, 2750, 1745, 1600, 1550, 1495, 1350 cm otherwise indicated) (all listed are strong (s) unless H NMR Spectrum (400 MHz, CDCl3, 25 °C) d (J 8 Hz) d (J 2 Hz) quin dd(J 8, 2 Hz) 2 PPM 1H 1H 1H1H 1H 2H 3H 3H 13C NMR Spectrum (with DEPT), proton-decoupled...
Propose a reasonable structure based on the molecular formula,
the 1H NMR, and the proton–decoupled 13C NMR data below. The
unknown compound has a molecular formula of C7H16O and * = CH2 by
DEPT.
Propose a reasonable structure based on the molecular formula, the 'H NMR, and the proton-decoupled 13C NMR data below. The unknown compound has a molecular formula of C7H160 and * = CH2 by DEPT. 'H NMR 3H 8H 13C NMR 2H (CH3)4 Si 26 VIH them...
For the protons labeled Ha and Hb in the structure below, predict the characteristics of their signals in the H NMR spectrum: the approximate chemical shift, the splitting pattern, and the integration value of their signals. Approximate Integration Splitting chemical shift value O 1H H NMR signal O 1 ppm O singlet for H O doublet O 2H 2 ppm O 3H O 3-4 ppm O triplet Br O 4H O 5-6 ppm O quartet O 5H O 7-8 ppm...
Fill in the blank s=singlet d= doublet q= quartet and so on also
which molecule match the HNMR and CNMR spectra
Observed 1H NMR and 13C NMR spectra: NMR Data Table for Predicting Expected Signals ЗН # of 'H Alcohol Ester Esterification Product with Acetic Acid # of 13C Ester NMR signals NMR signals 1H Ester NMR Integration & splitting (from left to right) HO Ethanol 4 3 3H(s), 2H(q), 3H(t) Ethyl acetate НО 1-Butanol Butyl acetate 2H 3H 4H...
Draw the structure of the compound
C10H12O that exhibits the
13C-NMR spectrum and DEPT data below. Impurity peaks are
omitted from the DEPT data list. The triplet at 77 ppm is
CDCl3.
Draw the structure of the compound C10H120 that exhibits the 13C-NMR spectrum and DEPT data below. Impurity peaks are omitted from the DEPT data list. The triplet at 77 ppm is CDCl Used with p n from Aldrich Chemical Co., Inc. Solvent CDCls Shift DEPT 90 DEPT 135...
Construct a 13C NMR data table for the structure shown. Identify
the chemical shifts, and the type of splitting that you\'d expect
were a \"coupled\" carbon-NMR to be acquired.
Construct a 13C NMR data table for the structure shown. Identify the chemical shifts, and the type of splitting that you'd expect were a "coupled" carbon-NMR to be acquired. CH3)2CHCH, CH = CHCH,OCH3 0-50 50-100 100-160 160-220 singlet doublet triplet quartet Chem. Shift Splitting
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