Please indicate how water might hydrogen bond with D-Ala-D-Lac excluding the terminal amine and terminal carboxylic acid H₂N CH₂ CH₂ OH

Q: Which one of the following compounds has the lowest pka? O 2,3-dimethylheptanoic acid…

A: -> Acid ionization constant (Ka) is proportional to acidity.-> pKa = - logKa . Hence, pKa is…

Q: Give the detailed pathway for the biosynthesis of melatonin, including the type of reaction and the…

A: The biosynthesis of melatonin starts from tryptophan. Tryptophan converted to 5-hydroxy tryptophan…

Q: Describe two chemical strategies that have been employed to try to overcome the problem of…

A:

Q: Draw a structural formula for each carboxylic acid: 4-Aminopentanoic acid 3-Chloro-4-phenylbutanoic…

A: Solution: Priority of functional groups in IUPAC nomenclature is -COOH > -SO3H > -COOR >…

Q: How would you use simple chemical tests to distinguish between the following pairs of compounds?…

A: The given compounds are trimyristin and triolein.

Q: The dipoles present in carboxylic acids allow these compounds toparticipate in hydrogen bonding with…

A: Following statements are given: The dipoles present in carboxylic acids allow these compounds to…

Q: Which of the following is one of the products formed when the lipid below is saponified?…

A: Saponification of lipids results in the formation of salts of higher carboxylic acids.

Q: k) lactam formation of y-aminobutanoic acid

A:

Q: Predict the reactions of lipids under basic hydrolysis and with standard organicreagents. Show the…

A: The reaction of lipids (fats and oils) under basic hydrolysis is as follows:

Q: Que tipo de compuesto es presentado en la siguiente estructura? OIC R₂C-O-CH Triglicerol Esteroide…

A:

Q: What is the structure of an optically inactive triacylglycerol that yields two moles of oleic acid…

A: Given:  Two molecules of oleic acid and one mole of palmitic acid hydrolyzed in aqueous acid and…

Q: Identify the Q5 functional group: Ô HN Urea Hemiketal Amide Imine Lactam OH HN Q 8 Q₁

A:

Q: α-Amino acids can be prepared by treating an aldehyde with ammonia/trace acid, followed by hydrogen…

A: α-Amino acids is prepared by treating 3-methylbutanal with ammonia/trace acid, followed by hydrogen…

Q: Q) What is the structure and molar mass of the following? 1 FNM Fing Acetamides 2) Benzamides 3)…

A: Molar mass is the mass of one mole of substance, whether the substance is an element or a compound.

Q: What aldehydes are formed when thetyrosine amino acids are treated with ninhydrin?

A: The reactions of α amino group of amino acids with ninhydrin in presence of pyridine give aldehyde…

Q: Which of the following compounds is the most polar between naphthalene, palmitic acid, cholesterol,…

A: Given compounds are ,naphthalene, palmitic acid, cholesterol, N,N-dimethyl aniline, and…

Q: Write equations showing thehydrolysis of amides.

A: The hydrolysis of amide leads to the formation of carboxylic acid and primary amine.

Q: How many possible limiting reactants are there for the synthesis of trans p-anisalacetophenone?

A: In the synthesis of trans p-anisalacetophenone, there are typically two reactants involved:…

Q: Draw the condensed structural formula for all products obtained from the following Hydrolysis…

A: The triglyceride react with KOH to undergo hydrolysis and produce one mole of glycerol and 3 moles…

Q: fid the molecular structure of  Protonated form of 2,6-diaminohexanoic acid…

A: The systematic structure determination of organic compound is given by IUPAC. The naming of organic…

Q: In the separation of hydroquinone dimethyl ether, 2-naphthol and benzoic acid removing the proton…

A: Solvent extraction is a technique uses two solvents which are immiscible, one is an organic solvent…

Q: 4-aminoacetophenone

A: Interpretation: The structure of 4-aminoacetophenone is to be drawn.

Q: Show how to convert palmitic acid (hexadecanoic acid) into the following.…

A:

Q: 1. Draw the complete structure of all cis- A4,7,10,13,16,19 docosahexaenoate (called DHA).

A: It’s common name is cervonic acid and its IUPAC name is all -cis-docosa -4,7,10,13,16,19 -hexa-enoic…

Q: Which of the following qualitative tests would ketamine test positive in? CI NH • Tollens' test •…

A:

Q: Q) What is the structure and molar mass of he following? Acetamides Benzamides 3 Benzenesulfonamides…

A: Given are the names of some compounds and we have to tell the structure

Q: 1Η ΝMR 3H ЗН 2H 2H 2H 5 4 3 1 PРМ

A:

Q: Chemistry What is the reason why peptide amide bonds can be in the s-cis or s-trans conformation?

A: Cis configuration means two bulky or lighter groups are present on same side of double bond.

Q: How do you draw the structure of: N-methylacetamide

A: Amide: Ome-NH2, -NHR or -NR2 group is attached to the carbonyl carbon atom of the compound. It is…

Q: Complete the example  of Fischer esterification. Assume that the alcohol is present in excess.

A: The Fischer esterification is the reaction between a carboxylic acid and an alcohol to give an…

Q: Explain Formation of Imines ?

A: When an aldehyde or ketone reacts with primary amine then the formation of product is known as…

Q: Draw p-toluenesulfonic acid structure

A: p-toluenesulfonic acid

Q: N, N-dimethylbenzamide

A: The structure of a compound gives the arrangement of atoms in space.

Q: Without any specific reaction conditions, potentially what functional groups could be formed between…

A: There is no reaction between two acids always acid reacts with base .Carboxylic acid reacts with…

Q: Draw a structural formula for the product of the reaction of acetophenone with reagent Q. C6H5NHNH2

A: Treatment of acetophenone with phenylhydrazine gives the corresponding hydrazone. Therefore, the…

Q: CH2-0 CH-O CH2-0-P-0-CH2-CH2-NH3*

A: Yes , given structure of phospholipid can work as a buffer.

Q: The structure of a triacylglycerol molecule can be described in terms of the fatty acyl groups that…

A: Structure of triacylglycerol molecule

Q: State The Gabriel Synthesis of 1° Amines ?

A: The sodium or potassium salt of Phthalimide is treated with a primary alkyl halide to give the…

Q: Please draw the chemical structure for a phosphatidylethanolamine which contains trans, trans,…

A: In ∆n nomenclature, each double bond is indicated by ∆n  where n induicates the double bond position…

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.