Concept explainers
(a)
Interpretation:
The
Concept introduction:
The structural representation of sugar molecule in cyclic form is known as Haworth projection. A compound in which the hydroxyl group of first and sixth carbon atom is on the same side is known as
(b)
Interpretation:
The
Concept introduction:
The structural representation of sugar molecule in cyclic form is known as Haworth projection. A compound in which the hydroxyl group of first and sixth carbon atom is on the same side is known as
(c)
Interpretation:
The
Concept introduction:
The structural representation of sugar molecule in cyclic form is known as Haworth projection. A compound in which the hydroxyl group of first and sixth carbon atom is on the same side is known as
Want to see the full answer?
Check out a sample textbook solutionChapter 28 Solutions
Organic Chemistry
- a. How many stereogenic centers are present in α-D-galactose? b. Label the hemiacetal carbon in α-D-galactose. c. Draw the structure of β-D-galactose. d. Draw the structure of the polyhydroxy aldehyde that cyclizes to α- and β-D-galactose.arrow_forwardDraw Haworth projection formulas for the a-anomer of monosaccharides with each of the following Fischer projection formulas. a. CHO HOH H- HO- H -ОН -Η OH CH₂OH b. CHO H -OH H -ОН HO H CH₂OHarrow_forwardDraw the products formed when β-D-galactose is treated with each reagent. a. Ag2O + CH3I b. NaH + C6H5CH2Cl c. The product in (b), then H3O+ d. Ac2O + pyridine e. C6H5COCl + pyridine f. The product in (c), then C6H5COCl + pyridinearrow_forward
- Draw the products formed when B-D-galactose is treated with each reagent. a. Ag,0 + CH3I b. NaH + CgHsCH2CI c. The product in (b), then H30* d. Ac20 + pyridine e. CeHsCOCI + pyridine f. The product in (c), then CgHsCOCI + pyridinearrow_forwardВ. 1. Draw the Fischer, Haworth & chair (where applicable) representations of the given monosaccharides. Sugar Fischer Haworth Chair a CHO но H- H но OH ČH2OH D-idose (а-anomer) CH2OH FOH H- ČH2OH a ketopentose (B-anomer) b.arrow_forwardDraw the product formed when each monosaccharide is oxidized with Benedict’s reagent.arrow_forward
- What products are obtained from the reduction of a. d-idose? b. d-sorbose?arrow_forwardFor D-arabinose:a. Draw its enantiomer.b. Draw an epimer at C3.c. Draw a diastereomer that is not an epimer.d. Draw a constitutional isomer that still contains a carbonyl group.arrow_forwardFor D-lyxose i. Draw an epimer at C3. ii. Draw a diastereomer that is not an epimer. iii. Draw the anomers of -D-lyxofuranose and -D-lyxopyranose. iv. Draw the product as Haworth projection when reacted with methanol catalysed by acid.arrow_forward
- Convert each aldohexose to the indicated anomer using a Haworth projection.arrow_forwardConvert each cyclic monosaccharide into its acyclic form. CH,OH он, H. OH OH но O. OH HOCH, OH а. с. но- OH CH2OH он OH ОН OH OH CH2OH b. OH d. HO f. Но H. OH OH Но Но Но Он OHarrow_forwardDraw the structure of the following:a. D/L-glucose & D/L-fructoseb. α/β-D-glucopyranose & α/β-D-fructopyranosec. α/β-D-glucofuranose & α/β-D-fructofuranosearrow_forward
- Chemistry for Today: General, Organic, and Bioche...ChemistryISBN:9781305960060Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. HansenPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning