Q,Answer:(A) Alpha isomer
Since hydroxyl group adjacent to the ring oxyzen atom is below the plane of the entire ring so it is the alpha isomer of the D-fructose.
In the following haworth structure of D-fructose, identify the isomer? HOCH, CHOH H HO ОН OH...
Classify each monosaccharide in terms of functional group and number of carbon atoms. a. HOCH CHC-H OH 0 Ketotetrose 0 Ketopentose 0 O Aldopentose 0 Aldotetrose 0 Ketohexose 0 Ketotriose O Aldotriose O Aldohexose b. HOCH,CHỨCH,OH OH O Ketotetrose O Ketotriose O Ketopentose O Aldotetrose O Ketohexose O Aldopentose O Aldotriose O Aldohexose OOH C. HOCH,CCHCHCHCH,OH ОН ОН 0 Ketopentose Aldotriose Aldotetrose O Aldohexose 0 Ketotriose O Aldopentose o Ketotetrose Ketohexose o OH d. H-CCHCHCH2OH OH O Aldotetrose 0 Ketotetrose...
3) Which of the following compounds is chiral? A) H Н-С-н н B) H HO C-OH Н C) CH3 HO-C-H Cl D) Br Н-С-ОН н E) C Br- C-C Br 4) In the L- isomer of a Fischer projection of a monosaccharide, the -OH group furthest from the carbonyl is written A) on the left of the top chiral carbon B) on the right of the top chiral carbon C) on the left of the middle chiral carbon D) on...
Choose the products of the reaction shown below. Pay attention to details! HOCH OH HO hydrolysis OH HOCH HO CHOH OH a-D-glucose + B-D-glucose a-D-glucose + B-D-galactose a-D-fructose + B-D-fructose a-D-glucose + B-D-fructose
CH2OH HOCH OH H OH OH a HOTH OOH HOH V нон HOH Кно/ нон он H- OH H -OH CHOH CH OH OH OH OH Questions 1-8 Sugar characterization. The Fischer and Haworth projections of gulose (left) and altrose (right) is shown above. Answer the following questions for these images 1. Which of the following chemical characterizations applies to gulose (left)? A) ketose B) aldose C) sucrose D) galactose 2. Which of the following chemical characterizations applies to gulose...
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
A D-Glucose B. D-Fructose C. L-Glyceraldehyde 5. What is an epimer? In the following structures indicate the two structures and the specific carbon atoms that are making them epimers. (4 marks) H =0 Н. 1 11 CON HO CHI H. 2 HOCH HC=ON HOSCH 3 H-C-OH CHOH CULOH CHOH
What is the product of the following reactions? H HOCH Bra, H307 HO-C-H HO-C-H CH, OH b) H HO- CH 1. Ag, NH3, OH HO -C-H 2 H HOCH CH, OH c) H. H-C-OH 1. NaBH. HO-CH 2. H:0* H-C-OH CH2OH
de is shown below A structural formula of a mo нонгс но HO он a. Classify this monosaccharide (e.g, ketotetrose) b. Does it have the D or L configuration? c. Specify the type of ring this structure has. d. Is the configuration of the anomeric carbon alpha or beta?k No more group attempts remain de is shown below A structural formula of a mo нонгс но HO он a. Classify this monosaccharide (e.g, ketotetrose) b. Does it have the D...
the data is not wrong 3. HO-CH-CHOH-CHOH-CH-CH2OH This is a(n) (A) nonreducing sugar (B) aldonic acid (C) aldohexose (D) pyranose HOCH 4. HO H,0* HO CH,CH2OH HO OH HOCH, HOCH, HO HO OCH.CH + HO- HO HO HO OCH.CH I II The product/products of this reaction is/are (A) I (B) II (C) I and II (D) neither
Please do not answer if you are not an expert. You will not like the review if you guess. Please explain with detail Assign the anomeric centres of the following disaccharide. OH OH он O HO OH 2 HO OH 1 OH Select one or more: a. 1-beta O b. 1-alpha O c. 2-alpha d. 2-beta Assign the anomeric centres of the following disaccharide. OH OH он O HO OH 2 HO OH 1 OH Select one or more: a....