OH CH,OH H НО H CH,OH UDP-galactose-4-epimerase НО НО 0-UDP 0-UDP HO UDP-galactose OH UDP-glucose

Q: amidase NH2 HO, NH + K dabvana cocuai unt fan onzim amidace

A:

Q: CH2OH O I ÇH2OH V \HỌ H II IV III H OH H он (a) This is an b-sugar with II being the anomeric…

A: Given image and options are :  Determination of the sugar and anomeric carbon = ?

Q: Draw the product of the attached reaction:

A: A nucleophile is a species which has high electron density. An electrophile is a species which has…

Q: Write the Haworth and conformational formulas for anomeric sugars. Explain the relative stabilities…

A: The Haworth conformation for the anomeric sugars are needed to be provided. The relative stability…

Q: A chemist attempted the following synthesis but obtained only a very low yield of the desired…

A:

Q: In the biosynthesis of aromatic amino acids, erythrose-4-phosphate undergoes electrophilic addition…

A: Aromatic amino acid are formed from PEP in the glycolysis.  The electrophilic addition is a reaction…

Q: Fill in the blanks with the appropriate intermediates or reagents. CN CN CN Br но HO HO Nao CN HBr…

A: A. see below (Disubstituted cyclohexene). B. NaCN, DMF. C.  Hydration of double bond (see below). D.…

Q: What is the ideal conformation for the alpha anomer of D-mannose. О4 94 Н Н HO -0 -H -OH HO H НО Н A…

A:

Q: What type of reaction would a PLP-containing enzyme catalyze if the bond most perpendicular to PLP…

A: answer - option - D - Decarboxylation  Decarboxylation reaction would a PLP-containing enzyme…

Q: Write down the reactions: D-Glucose + HNO3 →

A: Please find below the reaction

Q: 7. Why are protecting groups needed in this reaction and what is the purpose of CH2CI2? Can you…

A: The basic role of the protective group is to cover up the functional group and does not let it…

Q: H2 + CH2 = CH2 --> CH3CH3 Which of the following could be a substrate for an enzyme that has an…

A: Option D is Correct Answer.

Q: 7) Explain why the diastereoselectivity is so much better in the first reaction versus the second…

A: Given :  To explain the diastereoselectivity is so much better in the first reaction versus the…

Q: + 2 NH3 > a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the reaction…

A: When acetic anhydride reacts with NH3  Lone pair of Nitrogen of ammonia molecule (Acts as a…

Q: 3. Atazanavir (structure below) is an orally delivered AIDS-drug which works as an inhibitor for the…

A: We have find out the high energy intermediate of an aspartyl protease-catalysed cleavage of the…

Q: Which one of the following is NOT a possible completion of the following reaction? CH₂OH HO- HO- 1.…

A:

Q: 4) 4- Customized synthesis of carbohydrate compounds is a popular area of research. Complete the…

A: We have to draw following given reactions in a stepwise for (D)-glucopyranose as follows in step 2:

Q: Which of the reactions are spontaneous (favorable)? Rh(I) C,H, + H, C,H. AG = -150.97 kJ/mol…

A: R∆G of each reactions is given. Spontaneous reaction / reactions = ?

Q: CH;OH Br CH3 w the major product of the (1) R2BH, THF II (2) NaOH, H2O2 raw the major organic prod…

A: We will write the final product of the reaction

Q: We have seen that S-adenosylmethionine (SAM) methylates the nitrogen atom of noradrenaline to form…

A: The mechanism for the methylation of hydroxide ion by SAM is shown below

Q: D-psicose (structure shown above) reacts with methanol at the presence of HCl yielding four…

A: Applying concept of acidic hydrolysis.

Q: ОН HỌ O но HO- ОН

A:

Q: Are any of the following carbohydrates L-sugars? What makes something an L-sugar as opposed to a…

A:

Q: Write down the reactions: D-Glucose + [Ag(NH3)2]+ →

A: Given, D-Glucose + [Ag(NH3)2]+ →

Q: CH,OH CH2 ОН OH ОН OH ОН OH OH Gentiobiose Part A What simple sugars do you obtain on hydrolysis of…

A:

Q: Determine A and B to complete the reaction below: CH,OH CH,OH H+ OH H,0 OH OH OH r-D-glucopyranose a…

A: This reaction involves glycosidation. Glycosidation means formation of glycoside from aldose or…

Q: Consider the following energy diagram for an enzyme-catalyzed reaction. D B H Wo E G Energy C Which…

A:

Q: The following trisaccharide derivative is important to human health. The B and C rings are called?…

A: We have given trisaccharide. In which we have to look B and C only .

Q: OH C (i) H. NaCI CN racemic mixture 2 HNME2 (ii) C9H1,NO cP NH,Me2 Ph D E (i) ELOH OEt ONa но (iv)…

A: In an organic reaction, reactants usually undergo substitution, elimination, or addition reactions.…

Q: kercise 29. Draw the products of each reaction. 1. HO. РСС 2. OH SOCI2 pyridine HCI OH ZnCl2 3.

A: ->PCC is oxidizing agent which can oxidize primary alcohol to aldehyde group. ->SOCl2 pyridine…

Q: Xylitol, which is used as a sugar substitute, is produced by the reduction of D-xylose. Modify the…

A: The conversion of the aldehyde group (-CHO) to alcohol (-CH2OH) is the reduction reaction. In this…

Q: Draw the products of the following reaction, where T is tritium:

A: The products for the following reaction, T being tritium is given below :

Q: The following trisaccharide derivative is important to human health. The A ring is a deoxy…

A:

Q: BSelec1 the two reactants needed to mate the produc. A) B) D) E) OH G) H)

A: From the given reaction we can easily seen that we have to prepare a amide .so we can choose a acid…

Q: 1. The kcat of an enzymatic reaction depends on________________ (Circle two answers!) A. The free…

A: If you want the answers to next two questions, please post them separately or in subparts. As per…

Q: The carbonyl group on D-glucose can be reduced to d-glucitol. Identify the reagents that can chrry…

A: Glucose is a simple carbohydrate with one  aldehydic and five Alcoholic functional groups. It's…

Q: substrate

A: In the Hydrogenation Reaction, H2(g) added on carbon carbon double bond and give reduced Product (…

Q: Provide the mechanism 9. 3%aq-HGH major Minor LDA. IHF KOBut ELOH OH $% NoOH HO Ha keto tautomer

A:

Q: но. он retaining (1,4) но но. он a-mannosidase H20 но- HO OH

A: Concept: Alpha- mannosidase enzyme: This enzyme is involved in the cleavage of the alpha form of…

Q: Predict the products for the following transformation. ОН ОН retroaldolase ОРО32 ÒPO, 2 OH draw both…

A: The aldol condensation involves the reaction of a carbonyl compound with the alpha hydrogen to…

Q: H20 CI a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the reaction shown.…

A:

Q: Draw the mechanism for the acid-catalyzed cyclization of D-fructose to give B-D-fructofuranose. Step…

A:

Q: A) Describe substrate structure and condition that favor SN1 reactions taking place over SN2. B)…

A: Generally, SN1 and SN2 are reaction mechanisms in which the SN2 is bimolecular in the rate of…

Q: lyase H20 + hydrolase + H,0

A: THE SOLUTIONS ARE GIVEN BELOW -

Q: 26. The following reaction is Mn2(CO)1o + Brz - 2MnBr(CO)s (a) reductive elimination (b) oxidative…

A: We have to choose the correct options from the following given reaction of manganese complexe as…

Q: 4. Draw the structures for the oxidation of the following carbohydrates. a) emata H - OH CHOH…

A: Alcohol will be oxidized  to Aldehyde and Aldehyde  will be oxidized  to Acid ALDEHYDE  WILL BE…

Q: Wh e following desribes Exuoida A Enzymes that eleaves starch and glyeegen at the a -6 linkages 4…

A: According to guidelines we supposed to answer only three  Please post rest of the parts as separate…

Q: 20. The reaction of a pyranose to form a glycoside is shown below. The first step involves…

A: the solution is as follows:

Q: Chemistry the two sugars are aldo/keto hexos/pentos that has been ciclised to a fur/pyr anose. They…

A: Anomers are epimers of cyclic monosaccharides or glycosides that differ in their C-1 configuration…

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.