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3. Provide the structure of the unknown ketone/aldehyde starting material that would produce the following HNMR...
Experiment: Reduction of aldehyde or ketone using sodium borohydride as a catalyst and ethanol as the...
Experiment: Reduction of aldehyde or ketone using sodium
borohydride as a catalyst and ethanol as the solvent sustem. Add
deionized water to the reaction mixture and perform liquid liquid
extraction with dichloromethane. Rotovap the organix extract with
the dlasj immersed in room temp until no chanfe is observed.
Merowave-Assisted Reduction of Aldehydes or Ketones Post-Lab Questions: 2. Students are asked to "wash their reaction solution, as well as the organic extraction layer. What is/are the most likely impurities that are...
aldehyde and ketone are starting material product is chalone 10. 12 pts. Compare the IR spectrum...
aldehyde and ketone are starting material
product is chalone
10. 12 pts. Compare the IR spectrum of your product with the IR spectra of the starting materials (posted on black Write the frequency of C=0 stretch (in cm-l) in each case. Explain why the carbonyl stretch appears al a rowe wavenumber in the spectrum of your product as compared to the reactants. Aldehyde C=0 stretch: 1716.6 cm? Ketone C=0 stretch: 1699.3 cm Product C=0 stretch: 1653.97cm
Provide the structure of the starting material that would produce the array of products shown below....
Provide the structure of the starting material that would produce the array of products shown below. 2. H20 Ans.
Provide the structure of the starting material that would produce the array of products shown below....
Provide the structure of the starting material that would produce the array of products shown below. 1. O3 HO. + o=c=o OH OH 2. H₂O
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
Codes: Aldehyde: ZPA Ketone: BCK Amount of material started with: 2 mL of aldehyde and 0.5...
Codes:
Aldehyde: ZPA
Ketone: BCK
Amount of material started with: 2 mL of aldehyde and 0.5 mL
of Ketone
Recrystallized Mass: 1.53 g
Melting Range: 196-200 C
Recrystallization Solvent: 9:1 Ethanol/Acetone
6.1724 7.6069 7.5891 Z-8, CDC13 Z-B, CDC13 7.2839 2724 7.6069 7.5891 4.061 7.0012 6.9836 7.2839 7.2 6.08.18 8862 7.0 4.0666 7.0012 6.9836 3.9987 -3.1154 Ippm] Ippm] Aldehydes ketones Cyclopentanone Cyclohexanone Acetone Benzaldehyde p-tolualdehyde p-anisaldehyde Cinnamaldehyde 113 °C 175 °C 129-130 °C 144 °C 189 °C 235-236 °C 212 °C...
Indicate structure of unknown, structure of alcohol product, an percent yield based upon IR spectrum and...
Indicate structure of unknown, structure of alcohol product,
an percent yield based upon IR spectrum and information
provided.
Therefore, multiply the calculated amount of sodium borohydride in grams by two to this. Before starting the experiment, show the instructor all of your calculations, Table 1 - Possible assigned unknown aldehyde/ketone. Structure Name benzaldehyde H octanal (octyl aldehyde) CH3(CH2).CH hexanal H 3-methyl butanal (isoamyl aldehyde) H 3-methyl-2-butenal (isopentenyl aldehyde) Н. 3,7-dimethyl-2,6-octadienal (citral) H camphor acetophenone 100 mm 6 TRANSHUTTANCE D 4000...
Using the following spectral information, determine the structure of the following organic compound. 1 HNMR: Singlet...
Using the following spectral information, determine the structure of the following organic compound. 1 HNMR: Singlet at 12 delta units, integration of 1 Singlet at 2.5 delta units, integration of 2 Doublet at 7.5 delta units, integration of 2 Doublet at 7.3 delta units, integration of 2 Singlet at 2.3 delta units, integration of 2 FTIR: Broad peak from 3500 to 2500 cm-1 , peaks at 2250 and 1750 cm-1 GCMS: 175 m/z
Question 2 The 13 C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its...
Question 2 The 13 C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its "H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. 240 220 '200'180' 160140120100' 80' 604020 PPM H3CU CH3 CH3 CH3 Create OscerSketch Answer 2 Incorrect: Answer has an incorrect structure. What would be the expected splitting pattern of the signal associated with the indicated hydrogen atoms? Question 3 A. singlet B. doublet C. triplet D. quartet E....
fill out the following IR and HNMR tables for phenol 1. NMR Structure of starting material:...
fill out the following IR and HNMR tables for
phenol
1. NMR
Structure of starting material:
number of chemically distinct hydrogens:____
2. IR
Splitting Hydrogen Predicted Pattern chemical Integral (use the Value a, b,c) shift n+1 rule
Experiment: Reduction of aldehyde or ketone using sodium
borohydride as a catalyst and ethanol as the solvent sustem. Add
deionized water to the reaction mixture and perform liquid liquid
extraction with dichloromethane. Rotovap the organix extract with
the dlasj immersed in room temp until no chanfe is observed.
Merowave-Assisted Reduction of Aldehydes or Ketones Post-Lab Questions: 2. Students are asked to "wash their reaction solution, as well as the organic extraction layer. What is/are the most likely impurities that are...
aldehyde and ketone are starting material
product is chalone
10. 12 pts. Compare the IR spectrum of your product with the IR spectra of the starting materials (posted on black Write the frequency of C=0 stretch (in cm-l) in each case. Explain why the carbonyl stretch appears al a rowe wavenumber in the spectrum of your product as compared to the reactants. Aldehyde C=0 stretch: 1716.6 cm? Ketone C=0 stretch: 1699.3 cm Product C=0 stretch: 1653.97cm
Provide the structure of the starting material that would produce the array of products shown below. 2. H20 Ans.
Provide the structure of the starting material that would produce the array of products shown below. 1. O3 HO. + o=c=o OH OH 2. H₂O
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
Codes:
Aldehyde: ZPA
Ketone: BCK
Amount of material started with: 2 mL of aldehyde and 0.5 mL
of Ketone
Recrystallized Mass: 1.53 g
Melting Range: 196-200 C
Recrystallization Solvent: 9:1 Ethanol/Acetone
6.1724 7.6069 7.5891 Z-8, CDC13 Z-B, CDC13 7.2839 2724 7.6069 7.5891 4.061 7.0012 6.9836 7.2839 7.2 6.08.18 8862 7.0 4.0666 7.0012 6.9836 3.9987 -3.1154 Ippm] Ippm] Aldehydes ketones Cyclopentanone Cyclohexanone Acetone Benzaldehyde p-tolualdehyde p-anisaldehyde Cinnamaldehyde 113 °C 175 °C 129-130 °C 144 °C 189 °C 235-236 °C 212 °C...
Indicate structure of unknown, structure of alcohol product,
an percent yield based upon IR spectrum and information
provided.
Therefore, multiply the calculated amount of sodium borohydride in grams by two to this. Before starting the experiment, show the instructor all of your calculations, Table 1 - Possible assigned unknown aldehyde/ketone. Structure Name benzaldehyde H octanal (octyl aldehyde) CH3(CH2).CH hexanal H 3-methyl butanal (isoamyl aldehyde) H 3-methyl-2-butenal (isopentenyl aldehyde) Н. 3,7-dimethyl-2,6-octadienal (citral) H camphor acetophenone 100 mm 6 TRANSHUTTANCE D 4000...
Question 2 The 13 C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its "H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. 240 220 '200'180' 160140120100' 80' 604020 PPM H3CU CH3 CH3 CH3 Create OscerSketch Answer 2 Incorrect: Answer has an incorrect structure. What would be the expected splitting pattern of the signal associated with the indicated hydrogen atoms? Question 3 A. singlet B. doublet C. triplet D. quartet E....
fill out the following IR and HNMR tables for
phenol
1. NMR
Structure of starting material:
number of chemically distinct hydrogens:____
2. IR
Splitting Hydrogen Predicted Pattern chemical Integral (use the Value a, b,c) shift n+1 rule
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