Concept explainers
(a)
Interpretation:
The Fisher projection for the aldaric acid and the structure of
Concept introduction:
Fischer projections is a two dimensional representation of organic compounds. It was proposed to represent glucose molecules. The carbon chain is represented vertically; the hydoxy groups and hydrogen atoms are represented horizontally, according to their stereochemistry.
(b)
Interpretation:
The Fisher projection for the aldaric acid and the structure of
Concept introduction:
Fischer projections is a two dimensional representation of organic compounds. It was proposed to represent glucose molecules. The carbon chain is represented vertically; the hydoxy groups and hydrogen atoms are represented horizontally, according to their stereochemistry.
Want to see the full answer?
Check out a sample textbook solutionChapter 24 Solutions
Organic Chemistry
- (a) Draw the more stable chair form of fucose, an essential monosaccharide needed in the diet and a component of carbohydrates on mammalian and plant cell surfaces. (b) Classify fucose as a D- or Lmonosaccharide. (c) What two structural features are unusual in fucose?arrow_forwardIndicate the position of the following functional groups in the disaccharide drawn below [they may not all be present !!]. (a) primary alcohol (b) ether (c) secondary alcohol (d) acetal (e) aldehyde (f) tertiary alcohol (g) hemiacetal (h) ketone CH2OH он он CH2OH он но он он Draw the structures of the product monosaccharides obtained after hydrolysis of the above disaccharide.arrow_forwardDraw the structures (using chair conformations of pyranoses) of the following disaccharides.(a) 4-O-(a-d-glucopyranosyl)-d-galactopyranose(arrow_forward
- 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.arrow_forwardSuggest how you could distinguish a sample of glucose from a sample of maltose using Benedict’s reagent. [Hint: maltose is a disaccharide reducing sugar].arrow_forward1 Draw D- glucose in a Fischer Projection. 2 Draw alpha-D- glucose and in the Hayworth (ring ) structure. 3 Draw the hydrolysis of maltose- the disaccharide composed of alpha D glucose molecules. 4 What is the chemical difference between cellulose and amylose NOTE- please dont explain too much explain to the pointarrow_forward
- (b) Draw the open, Fischer and Haworth Structures of glucose Q 03 (а) How hydrolysis of cellulose takes place. Show with reaction diagram.arrow_forwardBoth triglycerides shown below contained fatty acids that are 16 carbon long. However, one is classified as a fat, and the other is regarded as the oil. (A) How does one distinguish fat from oils? (B) Which triglyceride is the fat? Which one is oil?arrow_forward(d) Draw the structure of the expected product when monosaccharide B undergo mutarotation upon dissolving in water in the presence of Tollens reagent (AGNO3, NHẠOH). он OH O. OH OH OH monosaccharide Barrow_forward
- (d) Use the diagram below to complete the cyclic alpha form of structure V (e) Circle the hemiacetal in cyclic alpha form of structure V. (f) Redraw the cyclic alpha form of structure V but replace the OH group on the anomericcarbon with a methoxy group. Is this modified monosaccharide a reducing sugar or anonreducing sugar?arrow_forwardPropose structural formulas for the following polysaccharides. Q.) Pectic acid is the main component of pectin, which is responsible for the formation of jellies from fruits and berries. Pectic acid is a polymer of d-galacturonic acid in the pyranose form joined by a-1,4-glycosidic bonds.arrow_forwardA reddish color is obtained when compound A (a disaccharide) is reacted with Benedict solution. Is this compound more likely maltose or sucrosearrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY