Draw and upload the alpha anomer for both sugars:b.a.CHOCHOH-⚫OHHO-HHOHH⚫OHH-H-HOHHO•H-OHCH2OHCH2OHDraI Dr

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Answered: Draw and upload the alpha anomer for…

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter17: Carbohydrates

Section: Chapter Questions

Problem 17.47E

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1. Draw Haworth projections of B-D-arabinofuranose and a-L-mannopyranose. 2. Consider the structure of the disaccharide drawn at right: НО `CH2 В ОН (a) Give the names and D/L designation for the two monosaccharides linked together. H,C-O OHO „OH OH А: НО НО A В: ОН (b) In the structure, circle the anomeric carbon of each saccharide. (c) Is each saccharide present in its a or ß anomer? Specify both A and B (d) Would this disaccharide undergo mutarotation? Why or why not? (e) Would this disaccharide react with Tollens and/or Benedicts reagent? Why or why not? (f) There are two reasons this is very unlikely to be a naturally occurring disaccharide. What about its structure suggests this is true? Give both reasons.
(d) Draw the structure of the expected product when monosaccharide B undergo mutarotation upon dissolving in water in the presence of Tollens reagent (AGNO3, NHẠOH). он OH O. OH OH OH monosaccharide B
7. Draw the Haworth structure for the following monosaccharides a. H НО H c=0 H + но - н 3 4 Н 5 - ОН - OH 애 CH₂OH 6 D-Mannose b. H 0 = с H - C - OH HO-C - H H - C - OH H - C - ОН CH₂OH Glucose
18-82 Identify each of the following Haworth projection formulas as an a-D-monosaccharide or a B-D-monosaccharide. ÇH,OH b. ÇH;OH a. OH Но OH ÓH ÓH ÓH с. CH,OH d. HOCH2 CH;OH OH HỎ OH OH ÓH ÓH 18-83 Draw th
16. Glycoprotein A of human erythrocyte is O-glycosylated. Draw the chemical structure of the O- linked oligosaccharide shown below. Gal-B(1->3) -GalNAc-a-Ser/Thr 12,3 NeuNAC-a NeuNAC N-acetylneuraminic acid HO HO HO OH COO OH
Convert each cyclic monosaccharide into its acyclic form. CH,OH он, H. OH OH но O. OH HOCH, OH а. с. но- OH CH2OH он OH ОН OH OH CH2OH b. OH d. HO f. Но H. OH OH Но Но Но Он OH
m) Which pyranose ring (A, B, C, or D) in the tetrasaccharide below is derived from D-altrose? The Fischer projections for the four aldohexoses that make up this tetrasaccharide are shown below. B C D HOH CHO CHO CHO CHO HO+H HTOH Fонно н HOH HOH H-OH H-OH H-+-OH H-TOHHOH HOH H+OH HOHнтон нон CHOH CHOH CHOH CHOH De D-glue Dalose Datrone i NH Į HOH STEP 1 OH, HO- answer 1. Just add arrows and charges for steps 1, 2, and 3 in formation of this enamine з no arrows needed here OH н Н ЮН -OH STEP 3 :ÖH н H STEP 2 на это про за поч
Draw the Haworth projection formula for the given monosaccharides 1. CHO H- -OH Но- -H- HO H H- -O- CH,OH CH2OH C=0 HO H H OH H. OH ČH2OH 3. CHO H OH H- OH H -OH ČHOH 2.
Draw a Haworth projection of a common cyclic form of this monosaccharide: H HO- H CH₂OH C=O -ОН H OH CH₂OH Click and drag to start drawing a structure.
. Classify each saccharide as an aldose or a ketose. Also classify each as a triose, tetrose, pentose, and so on. CH H-C-OH HO-C-H но, CH: H-C-OH HO-C-H CH HC H C-Č a. b. он он он H, H CH off н он OH H-C-OH c. HO-CH, "P но н
Which one is b-D glucose and which one is a-L glucose ? 2. Which one is b-fructose and which a-L fructose?
Draw a Haworth projection of a common cyclic form of this monosaccharide: H. H H H HO -ОН OH OH H CH₂OH Click and drag to start drawing a structure.

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Draw and upload the alpha anomer for both sugars: b. a. CHO CHO H- ⚫OH HO -H HO H H ⚫OH H- H- H OH HO •H -OH CH2OH CH2OH Dra I Dr