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3. HO-CH-CHOH-CHOH-CH-CH2OH This is a(n) (A) nonreducing sugar (B) aldonic acid...
38.) Which of the following is a pyranose ring? CH OH CH,Ho H OH OH Індон...
38.) Which of the following is a pyranose ring? CH OH CH,Ho H OH OH Індон A) I only B) II only C) Both I and II are pyranose rings. D) Neither I nor II are pyranose rings. 39.) In the pyranose form of D-glucose, the-OH on the anomeric carbon atom in the a-form is to carbon 6, while in the B-form it is to carbon 6. A) trans, cis B) cis, trans C) trans, trans D) cis, cis 40.)...
Explain please e. Table sugar is (+)-sucrose. ucts forms as the result of enzymatic or Which...
Explain please
e. Table sugar is (+)-sucrose. ucts forms as the result of enzymatic or Which of these acid-catalyzed test-tube hydrolysis? CH2OH CH OH Ho 0. ?? H CHOH (+)-sucrose CH2OH CH2OH ?? HO ?? H CH2OH CH2OH CH OH HO ?? ?? ?? ???? CH2OH CH2OH ?? o-o ?? OH OH CH2OH OH ?? ?? ?? ?? ?? H CH OH 12. Which is the best reagent for this conversion? -?? (A) D,0, containing catalytic amounts of HC (B)...
Classify the following compounds as reducing sugars, non-reducing sugars, or neither: CH2OH CH2OH HONO CH2OH НО...
Classify the following compounds as reducing sugars, non-reducing sugars, or neither: CH2OH CH2OH HONO CH2OH НО НО CH2OH CH2OH НО- ONOH но но- HONO CH2OH но. HONO но от OCH3 OH но- ОН OH HO A с но но сHOH но снон CH OH CH2OH HONO ноу. НОА но -о но I H NH₂ HO но ОН N o="cs но і HO Но, IZ но го Е сн,он 1. non-reducing sugar - АА. C- B 2. reducing sugar - с...
What is the product of the following reactions? H HOCH Bra, H307 HO-C-H HO-C-H CH, OH...
What is the product of the following reactions? H HOCH Bra, H307 HO-C-H HO-C-H CH, OH b) H HO- CH 1. Ag, NH3, OH HO -C-H 2 H HOCH CH, OH c) H. H-C-OH 1. NaBH. HO-CH 2. H:0* H-C-OH CH2OH
CH,OH b. Is the ketopentose a reducing sugar? c. Is the ketopentose a deoxy sugar? d....
CH,OH b. Is the ketopentose a reducing sugar? c. Is the ketopentose a deoxy sugar? d. Is the ketopentose an amino sugar? e. Draw the L-2-ketopentose that also gives the alcohol sugar above, when treated with H, and Pt. 10.59 a. 10.60 a 10.47 Draw the alcohol sugar, aldonic acid, and uronic acid that can be formed from each monosaccharide. a. D-2-deoxyribose b. L-2-deoxyribose C. the C-3 epimer of D-2-deoxyribose 10.61 10.62 10.48 Draw the alcohol sugar, aldonic acid, and...
T. How many stereoisomers of beta-D-glucopyranose exist (including itself)? a. 4 e. too many to consider...
T. How many stereoisomers of beta-D-glucopyranose exist (including itself)? a. 4 e. too many to consider b. 8 с. 16 d. 32 onsider the following Fischer projections and answer the questions: CHO H OH HO H H OH H O ČH2OH glucose CHO CHO H OH Но- СНО н H- OH HO OH HO -н -н H- OH H HO -H HO н- H OH ČH2OH H OH CH2OH OH CH OH allose galactose talose 2. Which pair are not...
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D)...
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D) below based on carbonyl group and number of carbons (c.8. aldohexose, ketotriose, etc.). Classify them as an antiomer. Indicate the number of chiral carbons for each sugar. Sugar Classification based on carbonyl group and number of carbons Lor D enantiomer Number of chiral carbons н-с-он HO-6-H. н-с-он ін,он CH,OH C=0 HO-C-H н-с-он HO-C-H. ён,он снон c=0 | HO-C-H ін,он H-C-OH CH, OH CD 2....
Part I (15pts). Carbohydrates CH2OH H-C-OH H-C OH HO-C-H HO H-C-OH H-C-OH CH2OH H-C-OH H-C-OH CH2OH...
Part I (15pts). Carbohydrates CH2OH H-C-OH H-C OH HO-C-H HO H-C-OH H-C-OH CH2OH H-C-OH H-C-OH CH2OH CH2OH Simple sugars have a molecular formula of Cn(120)n, what is the molecular formula for each sugar above. What is the name of each compound above-write it under the compound. Circle each chiral carbon in the molecules above. In what ways are the structures of D-glucose and D-galactose the same?
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH...
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+...
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+ O 1. pTSOH, HOCH,CH,OH 2. CH3MgBr 3. H30+ O 1. p-TsOH, HOCH CH2OH 2. NaBH4 3. H30+ O 1. CH3MgBr 2. H30+ 3. CH3OH What is the best reagent(s) for the following transformation? O OH 1. LiAlH4 2. H30+ OCH3CH2OH, H2SO4 O NaOH, heat mCPBA What is the major product in the following reaction? 1. CH2CH2MgBr 2. H30* O o o OH OH What...
38.) Which of the following is a pyranose ring? CH OH CH,Ho H OH OH Індон A) I only B) II only C) Both I and II are pyranose rings. D) Neither I nor II are pyranose rings. 39.) In the pyranose form of D-glucose, the-OH on the anomeric carbon atom in the a-form is to carbon 6, while in the B-form it is to carbon 6. A) trans, cis B) cis, trans C) trans, trans D) cis, cis 40.)...
Explain please
e. Table sugar is (+)-sucrose. ucts forms as the result of enzymatic or Which of these acid-catalyzed test-tube hydrolysis? CH2OH CH OH Ho 0. ?? H CHOH (+)-sucrose CH2OH CH2OH ?? HO ?? H CH2OH CH2OH CH OH HO ?? ?? ?? ???? CH2OH CH2OH ?? o-o ?? OH OH CH2OH OH ?? ?? ?? ?? ?? H CH OH 12. Which is the best reagent for this conversion? -?? (A) D,0, containing catalytic amounts of HC (B)...
Classify the following compounds as reducing sugars, non-reducing sugars, or neither: CH2OH CH2OH HONO CH2OH НО НО CH2OH CH2OH НО- ONOH но но- HONO CH2OH но. HONO но от OCH3 OH но- ОН OH HO A с но но сHOH но снон CH OH CH2OH HONO ноу. НОА но -о но I H NH₂ HO но ОН N o="cs но і HO Но, IZ но го Е сн,он 1. non-reducing sugar - АА. C- B 2. reducing sugar - с...
What is the product of the following reactions? H HOCH Bra, H307 HO-C-H HO-C-H CH, OH b) H HO- CH 1. Ag, NH3, OH HO -C-H 2 H HOCH CH, OH c) H. H-C-OH 1. NaBH. HO-CH 2. H:0* H-C-OH CH2OH
CH,OH b. Is the ketopentose a reducing sugar? c. Is the ketopentose a deoxy sugar? d. Is the ketopentose an amino sugar? e. Draw the L-2-ketopentose that also gives the alcohol sugar above, when treated with H, and Pt. 10.59 a. 10.60 a 10.47 Draw the alcohol sugar, aldonic acid, and uronic acid that can be formed from each monosaccharide. a. D-2-deoxyribose b. L-2-deoxyribose C. the C-3 epimer of D-2-deoxyribose 10.61 10.62 10.48 Draw the alcohol sugar, aldonic acid, and...
T. How many stereoisomers of beta-D-glucopyranose exist (including itself)? a. 4 e. too many to consider b. 8 с. 16 d. 32 onsider the following Fischer projections and answer the questions: CHO H OH HO H H OH H O ČH2OH glucose CHO CHO H OH Но- СНО н H- OH HO OH HO -н -н H- OH H HO -H HO н- H OH ČH2OH H OH CH2OH OH CH OH allose galactose talose 2. Which pair are not...
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D) below based on carbonyl group and number of carbons (c.8. aldohexose, ketotriose, etc.). Classify them as an antiomer. Indicate the number of chiral carbons for each sugar. Sugar Classification based on carbonyl group and number of carbons Lor D enantiomer Number of chiral carbons н-с-он HO-6-H. н-с-он ін,он CH,OH C=0 HO-C-H н-с-он HO-C-H. ён,он снон c=0 | HO-C-H ін,он H-C-OH CH, OH CD 2....
Part I (15pts). Carbohydrates CH2OH H-C-OH H-C OH HO-C-H HO H-C-OH H-C-OH CH2OH H-C-OH H-C-OH CH2OH CH2OH Simple sugars have a molecular formula of Cn(120)n, what is the molecular formula for each sugar above. What is the name of each compound above-write it under the compound. Circle each chiral carbon in the molecules above. In what ways are the structures of D-glucose and D-galactose the same?
4) Take a look at these structures of monosaccharides (3 pts) *CHOH CHOH CH,OH OH CH,OH SH HOM HO OH OH H H OH OH H . H OH GLUCOSE HOH GALACTOSE OH FRUCTOSE What is the molecular formula for the the following monosaccharides? a. glucose: C b. fructose: C c. galactose: C 5) A. Show the anomeric carbon. (1 pts) B. Draw B-D-Fructopyranose (2 pts) Fructose Isomers 6) Identify monosaccharide (M), disaccharide (D) or Polysaccharide (P) (3 pts) a....
Which reaction sequence would accomplish this transformation? HO ter H 01.H20+, CH2OH 2. NaBH4 3. Hz0+ O 1. pTSOH, HOCH,CH,OH 2. CH3MgBr 3. H30+ O 1. p-TsOH, HOCH CH2OH 2. NaBH4 3. H30+ O 1. CH3MgBr 2. H30+ 3. CH3OH What is the best reagent(s) for the following transformation? O OH 1. LiAlH4 2. H30+ OCH3CH2OH, H2SO4 O NaOH, heat mCPBA What is the major product in the following reaction? 1. CH2CH2MgBr 2. H30* O o o OH OH What...
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