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With the values of the possible products. 4) Discuss the IR spectra of your starting materials....
5) Assign the peaks in the 'H NMR spectrum of your product. Draw your structure on...
5) Assign the peaks in the 'H NMR spectrum of your product. Draw your structure on the NMR spectrum and label each set of inequivalent protons. Use these labels in assigning the peaks. In some cases the aromatic peaks may overlap, so it is OK to assign groups of protons to a series of overlapping peaks if necessary. Try to be as specific as possible in your assignment, though. Discuss in detail how the NMR spectrum is only consistent with...
Aldehyde: ZPA Ketone: BCK Amount of material started with: 2 mL of aldehyde and 0.5 mL...
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
1) structure of product
2)theoretical yield
3)isolated and percent yield
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] component. The possible aldehydes are benzaldehyde, 4-methylbenzaldehyde (p-tolualdehyde), 4-methoxybenzaldehyde (p-anisaldehyde), and E-3-phenyl-2-propenal (cinnamaldehyde). The...
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...
This is the H NMR spectrum for the product of a reaction between either benzaldehyde, 4-methybenzaldehyde,...
This is the H NMR spectrum for the product of a reaction between either benzaldehyde, 4-methybenzaldehyde, 4-methoxybenzaldehyde, or cinnamaldehyde with either acetone, cyclopentanone, cyclohexanone, 4-methylcyclohexanone. Assign the peaks in the 1H NMR spectrum to this product. Hand-draw the structure on the NMR spectrum and label each set of inequivalent protons. Use these labels in assigning the peaks. In some cases, the aromatic peaks may overlap, so it is acceptable to assign multiple groups of protons to a series of overlapping...
Aldehyde: ZPA Ketone: BCK Amount of material started with: 2 mL of aldehyde and 0.5 mL...
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
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 225 °C 118°C 170 °C 159 °C 180°C 4-methyl cyclohexanone 98-99 °C 113-113.5 °C 141-142 °C 163-164 °C 6.1724 7.6069 7.5891 Z-8, CDC13 Z-B, CDC13 7.2839 2724...
Aldehyde: ZPA Ketone: BCK Amount of material started with: 2 mL of aldehyde and 0.5 mL...
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
please ans 1 and 2 (label ans).
UNKNOWN KETONE IS CYCLOPENTAONE
UNKOWN ALDEHYDE IS 4-methoxybenzaldehyde
4 457 05 1267 0 1278 49 LP 00051 BL000 BCK 6 PER 12 160 TESIS Ota TL 6201 11 ESTI 29 TEZE LT SELF 09 200 18 DIL 0 ore 1400 28 2004 25...
4. The proton NMR and IR spectra of Compound B are shown on the next page....
4. The proton NMR and IR spectra of Compound B are shown on the next page. Using the molecular formula C,H,O: (a) Calculate the index of unsaturation. (b) Assign at least three absorption bands in the IR spectrum to functional groups. (C) By considering this value in your analysis of the spectra, give the correct structure for unknown B. Integration values are given above the peaks. (d) Label all peaks in the NMR spectrum, i.e., Ha, Hb, etc., and place...
determine the structure of your unknown from the molecular formula, IR, and 13C NMR spectra. assign all of your 13C NMR...
determine the structure of your unknown from the molecular
formula, IR, and 13C NMR spectra. assign all of your 13C NMR
absorptions.
IR & 1C NMR Lab Unknown Your group's mission is to determine the structure of your unknown from the molecular forrmula, IR and 13C NMR spectra. Assign all of your C NMR absorptions. You want to know which resonances correspond to which parts of the product's structure. The best way to do this is to draw a picture...
Provide the correct structure for your unknown based on the spectroscopic data provided. Provide the correct...
Provide the correct structure for your unknown based on the
spectroscopic data provided. Provide the correct name for your
compound. Either the IUPAC name, or a commonly accepted name (i.e.,
ethyl acetate in place of ethyl ethanoate) will be accepted.IR
spectrum: Assign as many peaks as possible. In particular, you
should assign peaks that were important in making your structural
interpretation (i.e. functional group peaks such as OH, C=O, N-H,
etc.).
1H-NMR spectrum: Assign all the peaks in the spectrum...
The IR/spectrum shows the value, 1st photo shows the instructions. Attached are 2 sets of spectra....
The IR/spectrum shows the value, 1st photo shows the
instructions.
Attached are 2 sets of spectra. Each set is worth 25 points. Not all sets have a Mass Spectrum, but do have information that was obtained from MS and some sets do not have a "C-NMR and don't really need one. Look at each spectrum individually and clearly list and comment on the structural Characteristics you can determine from that spectrum. (Chemical shifts, splitting patterns, coupling constants, fragmentation patterns, absorption...
5) Assign the peaks in the 'H NMR spectrum of your product. Draw your structure on the NMR spectrum and label each set of inequivalent protons. Use these labels in assigning the peaks. In some cases the aromatic peaks may overlap, so it is OK to assign groups of protons to a series of overlapping peaks if necessary. Try to be as specific as possible in your assignment, though. Discuss in detail how the NMR spectrum is only consistent with...
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
1) structure of product
2)theoretical yield
3)isolated and percent yield
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] component. The possible aldehydes are benzaldehyde, 4-methylbenzaldehyde (p-tolualdehyde), 4-methoxybenzaldehyde (p-anisaldehyde), and E-3-phenyl-2-propenal (cinnamaldehyde). The...
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...
This is the H NMR spectrum for the product of a reaction between either benzaldehyde, 4-methybenzaldehyde, 4-methoxybenzaldehyde, or cinnamaldehyde with either acetone, cyclopentanone, cyclohexanone, 4-methylcyclohexanone. Assign the peaks in the 1H NMR spectrum to this product. Hand-draw the structure on the NMR spectrum and label each set of inequivalent protons. Use these labels in assigning the peaks. In some cases, the aromatic peaks may overlap, so it is acceptable to assign multiple groups of protons to a series of overlapping...
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
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 225 °C 118°C 170 °C 159 °C 180°C 4-methyl cyclohexanone 98-99 °C 113-113.5 °C 141-142 °C 163-164 °C 6.1724 7.6069 7.5891 Z-8, CDC13 Z-B, CDC13 7.2839 2724...
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
please ans 1 and 2 (label ans).
UNKNOWN KETONE IS CYCLOPENTAONE
UNKOWN ALDEHYDE IS 4-methoxybenzaldehyde
4 457 05 1267 0 1278 49 LP 00051 BL000 BCK 6 PER 12 160 TESIS Ota TL 6201 11 ESTI 29 TEZE LT SELF 09 200 18 DIL 0 ore 1400 28 2004 25...
4. The proton NMR and IR spectra of Compound B are shown on the next page. Using the molecular formula C,H,O: (a) Calculate the index of unsaturation. (b) Assign at least three absorption bands in the IR spectrum to functional groups. (C) By considering this value in your analysis of the spectra, give the correct structure for unknown B. Integration values are given above the peaks. (d) Label all peaks in the NMR spectrum, i.e., Ha, Hb, etc., and place...
determine the structure of your unknown from the molecular
formula, IR, and 13C NMR spectra. assign all of your 13C NMR
absorptions.
IR & 1C NMR Lab Unknown Your group's mission is to determine the structure of your unknown from the molecular forrmula, IR and 13C NMR spectra. Assign all of your C NMR absorptions. You want to know which resonances correspond to which parts of the product's structure. The best way to do this is to draw a picture...
Provide the correct structure for your unknown based on the
spectroscopic data provided. Provide the correct name for your
compound. Either the IUPAC name, or a commonly accepted name (i.e.,
ethyl acetate in place of ethyl ethanoate) will be accepted.IR
spectrum: Assign as many peaks as possible. In particular, you
should assign peaks that were important in making your structural
interpretation (i.e. functional group peaks such as OH, C=O, N-H,
etc.).
1H-NMR spectrum: Assign all the peaks in the spectrum...
The IR/spectrum shows the value, 1st photo shows the
instructions.
Attached are 2 sets of spectra. Each set is worth 25 points. Not all sets have a Mass Spectrum, but do have information that was obtained from MS and some sets do not have a "C-NMR and don't really need one. Look at each spectrum individually and clearly list and comment on the structural Characteristics you can determine from that spectrum. (Chemical shifts, splitting patterns, coupling constants, fragmentation patterns, absorption...
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