Which of the following Fischer projection formula is same as D-Glyceraldehyde ? CH2OH (a) он—— сно CH2OH (Ъ) н— он СНО СНО (с) он+ сн,он (@) н—сн,он НО H. CHO H.
Q: b. озде H₂SO4 MeOH OH Fischer projection H₂SO4 Ас2O Pyridine a-Furanose
A: Note : Intramolecular hemi acetal formation under acid. Step2 : Hemi acetal is converted into ketal…
Q: CH2OH H OH H CH2 H H OH OH H OH What type of glycosidic bond is shown here? А. В(1—6) В. В(1—4) С.…
A: A glycosidic bond is the bond or linkage that exist between carbohydrate molecule and another moiety…
Q: CH2OH OH HO CH;OH но
A: Above cyclic structure is showing the hawarth projection of D-sugar
Q: C. Trehalose and isomaltose are both dimers of glucose. However, they have considerably different…
A: #C: Trehalose is formed by the 1→1 glycosidic bond between two α-glucose units. Isomaltose is…
Q: СНО H ОН H- ОН HO: -H- H- OH CH2OH
A: Step 1 We have ; which is L-Glucose . It is an L sugar →…
Q: Click on all glycosidic bonds in the structure below HO CH3 HO HO- CN H. HO, H. CH3 Linamarin, a…
A: Glycosidic bond or glycosidic linkage: Covalent bond that links a carbohydrate (sugar) molecule to…
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A: The structure of D-mannose and D-fructose is as follows:
Q: A Fischer projection of a monosaccharide is shown below: Classify this monosaccharide (e.g.,…
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Q: Draw the Fischer projections of the four aldotetroses. Draw the D-sugar on the left and its L-isomer…
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Q: The Fischer projection for fructose is shown below. Which functional group(s) does fructose…
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Q: The acyclic form of D-talose is shown here as its Fischer projection. Identify the anomeric carbon.…
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Q: 6. The Fischer projection for fructose is shown below. Is it a D-sugar or an L-sugar? a. It is a…
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Q: A Fischer projection of a monosaccharide is shown below: CH2OH H- C=0 H- OH H- -OH CH2OH v bonds to…
A: chiral carbon are those in which four different atoms or groups are present and Plane of symmetry is…
Q: Classify each of the carbohydrates shown below and draw the specified form. H. CH,OH HO- OH CH,OH H.…
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Q: d-Glucose most often exists as a pyranose, but it can also exist as a furanose. Draw the Haworth…
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A: In the fisher projection, we can draw the stereogenic center in two dimensional.
Q: Consider the following compound, which is used by insects and some fungi to store energy:
A: Note: Above compound is a disaccharide. The above disaccharide is a combination of D-Glucose…
Q: ОН НО HO- ОН HO НО- OH OH ОН ОН HO What are the monosachharides that make up this trisaccharide? O…
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Q: CH2OH H- HO- Но- -H- H- -ОН CH2OH D-Sorbose
A:
Q: What is the configuration of each of the asymmetric centers in the Fischer projection of a.…
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Q: Show the cyclic rearrangement ((cyclic hemiacetal form) of the following monosaccharide. Use…
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Q: СООН H► IOH Hi IOH CH3 )--O--U--
A: The fischer projection of the following compound is drawn as follows:
Q: Which of the following Fischer projections of glyceraldehyde represent the same enantiomer?
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Q: Trehalose and maltose are both dimers of glucose. However, they have considereably different…
A: Consider a General Sugar If a free OH group like in above sugar is present then the sugar willl…
Q: e enantiomer and a diastereomer
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Q: Which of the following would be considered a Michael donor? O see structure 1- O. O see structure 1-…
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Q: The Fischer Projection of Talose is shown below. Draw its methyl glycoside in its lowest energy…
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Q: Which is known as B-D-glucopyranose? I. Choice I Which is the functional isomer of…
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Q: Glucose is the most abundant monosaccharide. From memory, draw glucose in(a) the Fischer projection…
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Q: Draw and identify (R) and (S) enantiomers of lactic acid, CH3CH(OH)COOH. Use the proper conventions…
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Q: 5. Provide suitable responses for questions (a) - (i). 6 CH,OH 4 OH 2 OH 3 OH (a) What is the…
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Q: N-NHPH CHO CH2OH H- C=N-NHPH Но- -H- 3 equiv Но- -H- 3 equiv Но- PHNHNH2 PHNHNH, H- H- OH H- -O- H-…
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Q: ОН H OH H OH H OH HO/H H- OH OH CH2OH H H
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Q: Which structure below shows the chair conformation of B-D-glucopyranose? The Fischer projection of…
A: The conformation is drawn below
Q: 8. Draw Haworth projection structures for the a- anomer for these Fischer projections ÇHO CHO но-…
A: Haworth projections are simply the cyclic structural representation of Fischer form of the…
Q: Show the cyclic rearrangement (cyclic hemiacetal form) of the following monosaccharide. Use expanded…
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Q: A Fischer projection formula of one monosaccharide is given in a box. Which of the following is the…
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Q: Draw Fischer projections for all 2-ketopentoses. Which are d-2-ketopentoses, which are…
A: Fischer projections for all 2-ketopentoses. Which are d-2-ketopentoses, which are l-2-ketopentoses,…
Q: B с D C A CEC-CH2CH3 H N-H
A: Bond angle is the angle between two bonds. It can be easily predicted if you know the hybridization…
Q: What is the classification of the compound shown below? ÇH,OH HO- CH,OH A) a tetraaldose B) a…
A: The classification of the compound is given below.
Q: As we have seen in monosaccharides can be drawn in avariety of ways, and in truth, often a mixture…
A: As we have seen in monosaccharides can be drawn in a variety of ways, and in truth, often a mixture…
Q: 2. The open-chain form of fructose exists in equilibrium with several different hemiketals. Which of…
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Q: How many d-aldoheptoses are possible? Draw the Fischer projection of one of them and its enantiomer.
A: When the monosaccharide unit has seven carbon atoms, it is termed as heptose. When the heptose has…
Q: How many aldooctoses are possible? How many d-aldooctoses are possible?
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Q: What is the configuration of the asymmetric centers in the Fischer projection of D-xylose?
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Q: Identify each Fischer projection as the D- or L-isomer. a. но- H- HO- H- HO- H- HO- HO, b. но- H- HO…
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Q: a) Fischer formula of a ketopentose that has three chiral carbons. b) Rosanoff formula of an…
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- The image shows Fischer projections for the structures of four isomers of a ketopentose. CH₂OH CH₂OH CH₂OH ПА пс C=O D HOEC H HOECH CH,OH A C=O H➡ COH но-с-н CH₂OH Which of the structures are stereoisomers of B? B Which of the structures are diastereomers of D? C=O HOI-C-H HOI-C-H CH₂OH с 000 ΤΑ B HO D CH₂OH O Which of the structures are enantiomers of C? H HI COH D CH₂OHa) Which of the following monosaccharides will react with Tollens' reagent? Circle all that аpply. СООН CH2OH CH2OH OCH3 но- H- ОН HO FH OH CH2OH CH2OH OH II III IV V b) Decide whether the disaccharide shown below is a reducing or non-reducing sugar CH2OH но Но- ОН CH2 но Но OH OH 우 오(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 B
- TomnaLS Page < 3 7. For each disaccharide, indicate whether the glycosidic linkage is a or ß. CH,OH CH,OH OH но OH OH ОН ОН CH2OH OH но OH CH 2 HO O OH OH OH Identify each Fischer projection as the D- or L-isomer.Draw all the possible stereoisomerism for following structures. Label the chiral centre with an asterisk (*) if any. (a) CНICOОH)(NH)CH-COOH (b) (CH3)2C=C(COOH)CH(NO2)CH3The compound is a(n) || CH3(CH2)14CO(CH2)29CH3 is steroid O wax O fatty acid oil
- Of the four structures shown here in Fischer projections, indicate the relationships between (a) and (b), and between (c) and (d)? CHO CHO нтон нотн CH₂OH (a) CH₂OH (b) ÇO₂H H-OH -OH -он но- HO- CO₂H (c) II HO-H ÇO₂H of A. Both pairs are enantiomers O B. Both pairs are identical C. (a) and (b) are enantiomers, (c) and (d) are identical D. (a) and (b) are identical, (c) and (d) are enantiomers II CO₂H (d)H- CO₂H CH3 F Select the appropriate stereochemical designation based on the Fischer projection shown above.CI H2O d) (R) CH;CCH2CH2CH3 ČH2CH3 e) Br NaOH CH3 Ez
- (SRS 3) Which of the following is true about the Fischer representation of a glycoside below: H- -OCH3 -OH -ОН HHH OH |||| I -H -OH CH₂OH It is an alpha-furanose of a D-carbohydrate It is a beta-pyranose of an L-carbohydrate It is a beta-furanose of a D-carbohydrate It is an alpha-pyranose of a D-carbohydrate It is a beta-furanose of an L-carbohydrateDraw Fischer projections for the following compounds and determine whether they are (R) or (S). Br ОН H,C. :C H CH,CH,Q2 / A) Draw the following compound in a chair and boat position B/ Enantiomers COOH CHS OH disteromerse Racemic lactic acid