Q: Name the following aldoses. (Include in the names the stereochemical designation D or L and, where…
A:
Q: Another hexose gives the same aldaric acid on oxidation as does d-glucose. Which one?
A:
Q: Calculate the percentages of α-d-glucose and b-d-glucose present at equilibrium from the specific…
A: SOLUTION: Step 1: D-glucose exists in two cyclic forms; α -D-glucose and β -D-glucose. The OH group…
Q: Consider a two step synthetic sequence to generate the chiral cyclopropane. Provide the alkyne…
A: Here we have to mention the reactant and reagent of above conversion-
Q: Pyranose/furanose representation Ring structures Complete Fisher Haworth name Projection…
A:
Q: Choose the struture of B-D-mannopyranose
A: Monosaccharides are carbohydrates which cannot be hydrolyzed into simpler compounds. Those…
Q: Mark the TRUE option with respect to the following compounds: a) (I) is a disaccharide formed by…
A: a) can not be true because (I )is diasachride formed from one aldose sugar and one ketose sugar. b)…
Q: write down adetaled uedhamsm for the following transfolamatrens. Br Brey Br
A: Since, you have posted a multiple question, we will solve the first part for you. To get the…
Q: How many stereoisomers are possible for an aldopentose?
A: We know NaBH4 is a reducing reagent it can reduce -aldehyde to alcohol. But since H- can attack from…
Q: If anisole is allowed to sit in D2O that contains a small amount of D2SO4, what products are formed?
A: Structure of anisole is as follows, The compound anisole is an organic compound that is colorless…
Q: Label attached stereogenic center as R or S.
A: Given,
Q: 5-Bromouracil, a highly mutagenic compound (that is, a compound that causes changes in DNA), is used…
A:
Q: Predict whether d-altrose exists preferentially as a pyranose or a furanose. (Hint: In the most…
A: Draw the Fischer projection formula of D-altrose.
Q: Define steps to Designating a Stereogenic Center as R or S When the Lowest-Priority Group Is Not…
A: Any chiral center could have two possible configurations, and these configurations are designated…
Q: is achiral?
A:
Q: Which box contains carbocylic unsaturation?
A: A carbocyclic compound is any organic compound in which the cyclic ring consists of only C atoms.…
Q: Show that Ruff degradation of d-mannose gives the same aldopentose (d-arabinose) asdoes d-glucose
A: The Ruff degradation of D-glucose is given below - In the above figure, ruff degradation of…
Q: Treatment of either anomer of fructose with excess ethanol in the presence of a trace ofHCl gives a…
A: Epimers are the stereoisomers in which the configuration differs at only one stereogenic center.…
Q: write the distinguishing features of Chain dnd step Poly memizations
A: Distinguish between chain polymerization and step polymerization has to be given below,
Q: Which aldoses are oxidized to optically inactive aldaric acids: (a) D-erythrose; (b) Dlyxose; (c)…
A: Given aldoses, (a) D-erythrose (b) D-lyxose (c) D-galactose
Q: Regarding the following monosaccharides, indicate the CORRECT alternative: a) Only Gulosa, Idosa…
A: We are given 4 different monosaccharides out of which, 3 are aldoses and 1 is a ketose.
Q: Monosaccharide A is a diastereomer of d-lyxose. Treatment of A with nitric acid forms an optically…
A: First, the D-lyxose is shown as below by using Fischer projection. For given compound the structure…
Q: Monosaccharide Structure and Stereochemistry For D-arabinose: Draw its enantiomer.
A: Given: A monosaccharide, D-arabinose.
Q: Draw all stereoisomers formed in attached reaction.
A: Isomers are any two compounds that differ in the structural arrangement of their attached groups and…
Q: 1. JUPAC name 2. DEGREE OF SATURATION
A:
Q: What is hygroscopicity? Comment on the moisture uptake of sugars in crystallized form. please…
A: There are some compounds which show tendency to absorb water from environment/atmosphere either by…
Q: 51. Indicate the pentacyclic structure belongs to triterpen saponins. A) lappafen A B) equisetrin C)…
A: Triterpen Saponins : These are plant derived derived organic chemicals and it is toxic in nature,…
Q: Like glucose, galactose mutarotates when it dissolves in water. The specific rotation…
A: The term mutarotation may be defined as the specific rotation change discovered in the chiral…
Q: What is the Fisher Projection, Haworth representation and Pyranose/furanoseRing structures of…
A:
Q: Monosaccharide A is a D-aldotetrose. Treatment of A with nitric acid gives an optically inactive…
A:
Q: Label attached stereogenic center as R or S.
A: Introduction- Stereogenic center- It is a point at which just by interchanging of any 2 functional…
Q: Show the structures of the following and give their names: C-2 epimer of D-galactose
A: Hello. Since the question contains multiple parts only the first part is solved. In case the…
Q: Name the following aldose. (Include in the names the stereochemical designation D or L and, where…
A: this is the figure of alpha-D-talose
Q: Which D-aldopentoses are reduced to optically inactive alditols using NaBH4, CH3OH?
A: The possible optically inactive alditols with 5 C are as follows, These are inactive due to presence…
Q: Explain the following. The mannose derivative below is found to exist only uormer B. ACOH2C OAc AcO…
A: Given conformers are of mannose , which is found to exist only in conformer B, due to anomeric…
Q: What is the multiplicity of stilbene?
A: Solution- Here we discuss about the multiplicity and applications of stillbene.
Q: D-xylulose in cyclic structure
A: The compound given is D-xylose in a cyclic structure.
Q: Choose only 4 cyclic structures of the following showed that would represent correctly the open…
A: In this question, we will select only four cyclic ring structure for given open chain Compound. You…
Q: Name the monosaccharide below. Make sure to denote D or L and a or B.
A: Name is β - D-galactose monosaccharide in this carbohydrate functional group is aldehyde and it…
Q: Cellulose is water insoluble, despite its many OH groups. Considering its three-dimensional…
A: Cellulose is a polysaccharide with a molecular formula (C6H10O5). It is formed by the monomers of…
Q: Locate the isoprene units in attached compound.
A:
Q: Circle the isoprene units in geranial, menthol, camphor, and abietic acid
A: The given terpenes are geranial, menthol, camphor, and abietic acid. An isoprene unit is bunched of…
Q: Mannose exists in aqueous solution as a mixture of a-d-mannopyranose and b-d-mannopyranose. Draw…
A:
Q: Topic: extraction of Flavonoid glycosides and assessment of antioxidant What is the indication of…
A: Iodine test for confirmation of presence of unsaturation.
Q: (+/-) Sample stach hydrolysate cellulose hydrolysate sucrose hydrolysate egend (+)with reaction (-)…
A: Benedicts test is used for detection of simple carbohydrates.
Q: Phenol forms a B-glycoside with D-galactopyranose. In the box below draw the structure of this…
A: Let us discuss the reaction and the structure of the final product.
Q: Draw the expected major product for sequence MCPBA
A:
Q: Locate the isoprene units in attached compound
A: Monoterpenes are a class of terpenes that consist of two isoprene units. For example, camphor,…
Q: (g) When treated with HNO3, this monosaccharide will form an optically inactive aldaric acid. (h)…
A:
assign aboslute configuration and indicate if chrial, achiral, meso.
Step by step
Solved in 5 steps with 6 images
- The structure of 4 isomers of an aldotetrose carbohydrate are given. 1) select every structure that is a diastereomer of structure D A, B, or C? 2) select every structure that is a enantiomer of structure C D, B, or A? 3) select every structure that is a stereoisomer of structure D A, B, or CDraw a diagram of the linear and ring structures of glucose. Show the biochemical mechanism of cyclization of each and name the resultant ring – including the ring type & anomeric carbon designation. Draw and name an amine version, reduced version, and oxidized version, either in ring or Fisher projection.Draw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1→4-β- glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1→6-α- glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.
- a) Draw structural formulas for the two monosaccharides that result when structure III istreated as shown below. (b) Draw the monosaccharide that results when product A from the previous step (Q1a) istreated with Br2/H2O. (c) Draw the monosaccharide that results when product A from the previous step (Q1a) istreated with 1.NaBH4 / 2. H2O.Which of the following saccharides has INCORRECT paired description/s? * D-mannose: Monosaccharide: Prevents UTI Cellobiose: Disaccharide: With 2 glucose units Heparin: Acidic polysaccharide: Blood coagulant N-acetyl-galactosamine: Amino sugar: Present in type-A blood Keratin sulfate: Structural Polysaccharide: Most heterogenous GAGSShow the linkages between a trisaccharide with the sequence GleA-GlcA-GICA. The trisaccharide has an al-→4 glycosidic linkage between the first and second \GlcA monosaccharides. The trisaccharide has a f1-4 glycosidic linkage between the second and third GlcA monosaccharides. Show stereochemistry using wedge (upward) or dash (downward) bonds. Select Draw Rings More Erase COOH соон соон it OH OH он он он
- Lactose is a disaccharide in which a glycosidic linkage connects the monosaccharides galactose and glucose. OH НО OH (a) Identify the glycosidic linkage and the acetal carbon in lactose. (b) What type of glycosidic linkage does lactose have (i.e., is it 1,1'-, 1,2'-, etc., and is it a or B)? (c) People who are lactose intolerant are deficient in the enzyme lactase, and therefore cannot efficiently break down the disaccharide into its monosaccharides. When lactose is treated with aqueous acid, however, this hydrolysis can take place, though relatively slowly. Draw the complete, detailed mechanism and the products of the acid-catalyzed hydrolysis of lactose. Но ОН НО ОН ОН LactoseLabel attached stereogenic center as R or S.Which statement about saccharides is correct? (A). Alpha anomers are more common than beta anoomers. (B). Two monosaccharides can form a disaccharide and oxygen. (C). Polysaccharides with alpha or beta glycosidic linkages have the different properties. (D). Disaccharides can be cyclic or acyclic.
- Draw the structure of: (a) a polysaccharide formed by joining D-mannose units in 1->4-ß-glycosidic linkages; (b) a polysaccharide formed by joining D-glucose units in 1->6-a-glycosidic linkages. The polysaccharide in (b) is dextran, a component of dental plaque.---is found in plants, wood, and cotton. It's structure contains repeating units joined with 1-4-β-glycosidic linkage. Question 1 options: cyclobutane fructose cellulose glucoseDraw the structures (using chair conformations of pyranoses) of the following disaccharides.(a) 4-O-(a-d-glucopyranosyl)-d-galactopyranose(