Ans : e. In all D- sugars CH2OH occupies equatiorial position. Here for L- sugar CH2OH will occupy axial position. Therefore answer is e.
Question 15 H2OH HO HO Which of the sugars at right is an L-sugar? OH H2OH...
Which of the following sugars are ketohexoses? OH CH2OH OH HO CH2OH CH2OH OH OH OH CH20H OH OH OH HO HO OH 0 0 OH OH CH OH OH OH OH CH20H
Which of the following sugars are ketohexoses? OH CH2OH OH HO CH2OH CH2OH OH OH OH CH20H OH OH OH HO HO OH 0 0 OH OH CH OH OH OH OH CH20H
Classify the following compounds as reducing sugars, non-reducing sugars, or neither: CH2OH CH2OH HONO CH2OH НО НО CH2OH CH2OH НО- ONOH но но- HONO CH2OH но. HONO но от OCH3 OH но- ОН OH HO A с но но сHOH но снон CH OH CH2OH HONO ноу. НОА но -о но I H NH₂ HO но ОН N o="cs но і HO Но, IZ но го Е сн,он 1. non-reducing sugar - АА. C- B 2. reducing sugar - с...
Part I (15pts). Carbohydrates CH2OH H-C-OH H-C OH HO-C-H HO H-C-OH H-C-OH CH2OH H-C-OH H-C-OH CH2OH CH2OH Simple sugars have a molecular formula of Cn(120)n, what is the molecular formula for each sugar above. What is the name of each compound above-write it under the compound. Circle each chiral carbon in the molecules above. In what ways are the structures of D-glucose and D-galactose the same?
Part A Which of the following Fischer projections are labeled correctly as o or L sugars? View Available Hint(s) CH,OH CH2OH
Question 33 42 Which of the following can be designated as D-sugars. a. b. 0 C. 0 C-H C-H C-H HO- H H -OH HO H НО-Н HO НО-Н H HO H H CH,OH -OH H -OH CH2OH CH,OH All are D-sugars both A and C А
8. Use the image to answer the questions that follow HO-CH HO-CH2 HO-CH2 CHO H₂o OH CHO CHO OCH CHOICH CH-OH CHCc CHOICH CH 10 | | CH-CH HỒ CH-CH CH-CH CH-CH CH-CH но он но HO он но OH OH HO A B C D Do not e How many carbons does each of the above sugars contain? Name to E n ipo Which sugars are aldoses and which are ketoses? Identify each sugar. Name the linkage for each...
predict the product
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
1. (12 pts) Predict the product for the following transformation. OH OH 유 1.H2OH' HO 2. KH, 18-c-6, THF OH OH Br Ph OH OBn O 1. H20, H HO 2. O 、Me , cat. H+ Me
3. Is the following sugar a D or L sugar? (10 pts) Сно Н OH но -H Н OH CH2OH
Explain please
e. Table sugar is (+)-sucrose. ucts forms as the result of enzymatic or Which of these acid-catalyzed test-tube hydrolysis? CH2OH CH OH Ho 0. ?? H CHOH (+)-sucrose CH2OH CH2OH ?? HO ?? H CH2OH CH2OH CH OH HO ?? ?? ?? ???? CH2OH CH2OH ?? o-o ?? OH OH CH2OH OH ?? ?? ?? ?? ?? H CH OH 12. Which is the best reagent for this conversion? -?? (A) D,0, containing catalytic amounts of HC (B)...
4. For each sugar below, characterize the anomer if a monosaccharide or the glycosidic bond(s) if a di- or polysaccharide (e.g., B,B-2,3; if there is more than one glycosidic bond, draw an arrow from each label to its corresponding bond). CH,OH CH2OH CH OН но н H Н H Он Н OH н OH Он Н ОН O H Но он b. a. OH H OH CH-OH O H Но ОН Н CH2OH CH2 CH2OH он OCH CH3 Но н...