Eugenol, the main component of clove oil, can be prepared by heating 2-allyl guaiacol (in the absence of oxygen) to temperatures >205 °C. In practice, however, it is most cost-effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at 15.0%, calculate the minimum mass of cloves one needs to obtain 8.00 g of eugenol as a product. Report your answer (as a mass in grams, without units) with three significant digits.
Eugenol, the main component of clove oil, can be prepared by heating 2-allyl guaiacol (in the absence of oxygen) to temperatures >205 °C. In practice, however, it is most cost-effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at 15.0%, calculate the minimum mass of cloves one needs to obtain 8.00 g of eugenol as a product. Report your answer (as a mass in grams, without units) with three significant digits.
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
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Eugenol, the main component of clove oil, can be prepared by heating 2-allyl guaiacol (in the absence of oxygen) to temperatures >205 °C. In practice, however, it is most cost-effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at 15.0%, calculate the minimum mass of cloves one needs to obtain 8.00 g of eugenol as a product. Report your answer (as a mass in grams, without units) with three significant digits.
![During the laboratory period one afternoon, you and your lab partner(s) attempted the
synthesis of an allyl aryl ether, the precursor for the preparation of synthetic eugenol.
Recall that eugenol is the main component of clove oil, a natural product that we steam
distill to purify in Chemistry 231L. The overall reaction scheme from this preparation of
ether and its subsequent rearrangement as well as selected raw data from your
experiment are given/shown below.
Williamson Ether Synthesis of Allyl Guaiacol
OH
O
I
CH3
Guaiacol
M.W. 124.14
d = 1.11 g/mL
Allyl bromide (2 eq.)
K₂CO3 (2 eq.)
CH3CN
CH3
2-allyl guaiacol
M.W. 164.20
d = 1.06 g/mL
Raw Data
Volume of guaiacol measured
(the starting material)
1.12 mL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2432691a-c29a-4a02-b85a-93b716867369%2F145ab1ba-8cf8-424b-936b-99c1d0a270b9%2F0u1qsjaq_processed.png&w=3840&q=75)
Transcribed Image Text:During the laboratory period one afternoon, you and your lab partner(s) attempted the
synthesis of an allyl aryl ether, the precursor for the preparation of synthetic eugenol.
Recall that eugenol is the main component of clove oil, a natural product that we steam
distill to purify in Chemistry 231L. The overall reaction scheme from this preparation of
ether and its subsequent rearrangement as well as selected raw data from your
experiment are given/shown below.
Williamson Ether Synthesis of Allyl Guaiacol
OH
O
I
CH3
Guaiacol
M.W. 124.14
d = 1.11 g/mL
Allyl bromide (2 eq.)
K₂CO3 (2 eq.)
CH3CN
CH3
2-allyl guaiacol
M.W. 164.20
d = 1.06 g/mL
Raw Data
Volume of guaiacol measured
(the starting material)
1.12 mL
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