Digitalis is a preparation made from the dried seeds and leaves of the purple foxglove, Digitalis purpurea, a plant native to southern and central Europe and cultivated in the United States. The preparation is a mixture of several active components, including digitalin. Digi- talis is used in medicine to increase the force of myocardial contraction and as a conduction depressant to decrease heart rate (the heart pumps more forcefully but less often). HC OH H,C H CH3 H. H. (a) Describe this glycosidic bond OCH, H A (b) Draw an open-chain Fischer projection of this monosaccharide CH3 H. (e) Describe this glycosidic bond OCH, HA H. HO H) H. OH НО (d) Name this monosaccharide unit H. OH Digitalin

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter25: Carbohydrates
Section: Chapter Questions
Problem 25.44P: Digitalis is a preparation made from the dried seeds and leaves of the purple foxglove, Digitalis...
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Digitalis is a preparation made from the dried seeds and leaves of the purple foxglove,
Digitalis purpurea, a plant native to southern and central Europe and cultivated in the United
States. The preparation is a mixture of several active components, including digitalin. Digi-
talis is used in medicine to increase the force of myocardial contraction and as a conduction
depressant to decrease heart rate (the heart pumps more forcefully but less often).
HC
OH
H,C
H
CH3
H.
H.
(a) Describe this glycosidic bond
OCH, H
A (b) Draw an open-chain Fischer projection
of this monosaccharide
CH3
H.
(e) Describe this glycosidic bond
OCH, HA
H.
HO H)
H.
OH
НО
(d) Name this monosaccharide unit
H.
OH
Digitalin
Transcribed Image Text:Digitalis is a preparation made from the dried seeds and leaves of the purple foxglove, Digitalis purpurea, a plant native to southern and central Europe and cultivated in the United States. The preparation is a mixture of several active components, including digitalin. Digi- talis is used in medicine to increase the force of myocardial contraction and as a conduction depressant to decrease heart rate (the heart pumps more forcefully but less often). HC OH H,C H CH3 H. H. (a) Describe this glycosidic bond OCH, H A (b) Draw an open-chain Fischer projection of this monosaccharide CH3 H. (e) Describe this glycosidic bond OCH, HA H. HO H) H. OH НО (d) Name this monosaccharide unit H. OH Digitalin
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