We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
below) но HO он но Isomer A Isomer B (2 points) Propose a reasonable base catalyzed...
draw the mechanism for both Н+ a) он он Hacid catalyzed ОН- b) OH он H base catalyzed
Which of these disaccharides have a beta 1,6-linkage? Select one: CH2OH но HO -0CH2 a. оН |но OH H H HO OH CH-ОН HO но- b -CH2ОH HO OH CH2OH CH2OH HO но- X HO OH CH2OH HO HO- но OH H CH2OH Joining together many Which of these disaccharides have a beta 1,6-linkage? Select one: CH2OH но HO -0CH2 a. оН |но OH H H HO OH CH-ОН HO но- b -CH2ОH HO OH CH2OH CH2OH HO но- X...
The terminal structures of the three common blood group antigens are shown below.' но он но Чоно -OH 10 но Но он HO - ОН HO HONOR -OR он і но но но A Antigen B Antigen H(O) Antigen 1. (4 points) Circle the glycosidic bonds present in the A antigen and name them using alpha/beta designations and numbers - no sugar names.
How many 1,3-diaxial interactions are in the structure below? ОН О. ОН НО ОН HO. ОН Select one: b. 1 с. 5 е. 3
2. Study the third step (below) and answer the questions that follow. HO НО, ...OH X H,SO. (cat) ""он. H20 80% 2.1 What type of reaction is taking place in this step? Explain 2.2 What is the name of the functional group that is being transformed? 2.4 Under the reaction conditions described, it is mechanistically possible that the reaction below can take place, using the same principles of your previous answer in 2.3. However, this does not seem to be...
For a structure shown below: HO НО 21 НО ОН Identify the hybridization of atoms number 1, 2 and 3. LINK TO TEXT How many TT-bonds are there? LINK TO TEXT How many TT-bonds are there? LINK TO TEXT How many electrons are in delocalized TT -orbitals? LINK TO TEXT
Problem 2. Stereochemistry (30 points). Within each set of stereoisomers shown below determine whether the isomer is chiral (optically active) or achiral (optically inactive). Identify enantiomers, diastereomers, and isomers that are the same. For those that are chiral, determine the stereochemical configuration (R or S) at each chiral center. CH3 CH3 CH3 H₃C 2CH3 HC H₃ C CH3 CH3 H₃ C CH3 CH3 CH CH3 H3C нс, ***CH3 CH3 H₃ C CH3 не сез ОН ОН ОН ОН ОН ОН...
The terminal structures of the three common blood group antigens are shown below. но но -OH но OH OH -O, HO оно Он Он но Но- OR но- но ACHN OR OR LOH он но OH OH он но OH но H(O) Antigen B Antigen A Antigen 3 2 2. (4 points) Redraw the monosaccharide in the B antigen marked with an arrow as a Haworth projection. What is the relationship between this sugar and glucose? (Are they the same...
ОН 3. Glucuronic acid is an oxidized derivative of glucose found in animal secretions such as saliva. Biological conversaion of glucuronic acid into its isomer, fructuronic acid, is catalyzed by an enzyme called uronic acid isomerase O OH OH o= H2O, H* OH uronic acid isomerase HO O O H OH glucuronic acid fructuronic acid a. Provide a complete curved-arrow mechanism for this transformation. You may assume that the enzyme active site will supply all necessary equivalents of water and...
но OH prortacyelin 8.(10 points)Label each pair of stereoisomers below as: enantiomers b. diastereomers c. identical Place the letter of the correct answer in the blank to the left of the pair of stereoisomers. a. Нс Нс OH HO Н H Cн-он Но CH-он c0,н но-- Нос H но CH3 CH3 нос но-с.. «сон CO2H