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
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Q: CH2OH OH HO CH;OH но
A: Above cyclic structure is showing the hawarth projection of D-sugar
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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 →…
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Q: The Fischer projection for fructose is shown below. Which functional group(s) does fructose…
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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…
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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…
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Q: CH2OH H- HO- Но- -H- H- -ОН CH2OH D-Sorbose
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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…
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Q: e enantiomer and a diastereomer
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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: Which structure below shows the chair conformation of B-D-glucopyranose? The Fischer projection of…
A: The conformation is drawn below
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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…
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Q: B с D C A CEC-CH2CH3 H N-H
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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…
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Q: How many d-aldoheptoses are possible? Draw the Fischer projection of one of them and its enantiomer.
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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 CH₂OHTomnaLS 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.a) 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 BDraw 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
- H- CO₂H CH3 F Select the appropriate stereochemical designation based on the Fischer projection shown above.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)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