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R₂₁ LOO D A. The structure for curcumin is given in it's enol form, Draw the structure of both the keto and enol forms, and label them OH 4000 B. The IR for curcumin is shown here. Is this the spectrum of the keto or enol form? How do you know? Assign three peaks in the IR to functionality present in the molecule. W 96T 100 80 60 40 20 2000 curcumin: R₁ = R₂ = OCH₂ desmethoxycurcumin: R₁ = H, R₂ = OCH₂ bisdesmethoxycurcumin: R₁ = R₂ = H The IR for bisdemethoxycurcumin is shown here. Do you think IR is a good method for distinguishing between these two compounds? трукт IR2009-07662TK OH 3000 3000 2000 NAVENUMBERI 2000 1500 1500 1000 Wavenumber[cm-11 500 1000 500 400

R₂₁ LOO D A. The structure for curcumin is given in it's enol form, Draw the structure of both the keto and enol forms, and label them OH 4000 B. The IR for curcumin is shown here. Is this the spectrum of the keto or enol form? How do you know? Assign three peaks in the IR to functionality present in the molecule. W 96T 100 80 60 40 20 2000 curcumin: R₁ = R₂ = OCH₂ desmethoxycurcumin: R₁ = H, R₂ = OCH₂ bisdesmethoxycurcumin: R₁ = R₂ = H The IR for bisdemethoxycurcumin is shown here. Do you think IR is a good method for distinguishing between these two compounds? трукт IR2009-07662TK OH 3000 3000 2000 NAVENUMBERI 2000 1500 1500 1000 Wavenumber[cm-11 500 1000 500 400

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A. The structure for curcumin is given in it's enol form, Draw the structure of both the keto and enol forms, and label them НО. x X R₂ R₂₁ LOD D+ B. The IR for curcumin is shown here. Is this the spectrum of the keto or enol form? How do you know? Assign three peaks in the IR to functionality present in the molecule. 4000 %T 100 80 60 40 20 2000 curcumin: R₁ = R₂ = OCH3 desmethoxycurcumin: R₁ = H, R₂ = OCH3 bisdesmethoxycurcumin: R₁ = R₂ = H The IR for bisdemethoxycurcumin is shown here. Do you think IR is a good method for distinguishing between these two compounds? фрукт [R2009-07662TK OH 3000 3000 2000 HAVENUMBERI- 2000 1500 1500 1000 Wavenumber[cm-11 500 1000 500 400
Transcribed Image Text:A. The structure for curcumin is given in it's enol form, Draw the structure of both the keto and enol forms, and label them НО. x X R₂ R₂₁ LOD D+ B. The IR for curcumin is shown here. Is this the spectrum of the keto or enol form? How do you know? Assign three peaks in the IR to functionality present in the molecule. 4000 %T 100 80 60 40 20 2000 curcumin: R₁ = R₂ = OCH3 desmethoxycurcumin: R₁ = H, R₂ = OCH3 bisdesmethoxycurcumin: R₁ = R₂ = H The IR for bisdemethoxycurcumin is shown here. Do you think IR is a good method for distinguishing between these two compounds? фрукт [R2009-07662TK OH 3000 3000 2000 HAVENUMBERI- 2000 1500 1500 1000 Wavenumber[cm-11 500 1000 500 400
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