19. Glucosamine is a product of the fermentation of corn and is
shown below. Draw the Fischer projection of glucosamine:
20. Draw the most stable chair conformation of the D-idose, whose
Fisher projection is shown
below. Is it an a- or b-anomer?
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19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the...
18. Draw the product of the following Dieckmann cyclization: 1) NaOCH2CH3 CH3CH2OH 2) H30* 19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the Fischer projection of glucosamine: OH H ОН NH2 OH 20. Draw the most stable chair conformation of the D-idose, whose Fisher projection is shown below. Is it an a-or B-anomer? CHO HO -H H- -OH HO Н H -OH CH2OH
3) a) Draw the Fischer projection of the following sugars and label them D or L. HO b) Draw the most stable chair conformation of the b-anomer of the hemiacetal of the following aldohexose: 3) a) Draw the Fischer projection of the following sugars and label them Dor L. НО. H CHO он НО H он Н. ОН НО. CHO ли нон н он b) Draw the most stable chair conformation of the B-anomer of the hemiacetal of the following...
2. Please refer to the monosaccharides shown below to the following questione (i) CHOA City CH. OH CAO CH2014 SHO LO HOH o A- HOH Анон HAH Hotu Нон H OM 40+ CHOA HOH 4-104 HOH HO нон c, or (404 CH₂OH A. Sorbose B. Rhamnose C Erythrulose D. Xylulose E. Glucose ) Classify each sugar by type: ketoheptose, aldo butase etc. Sorbose Rhamnose Erythrulose Xylulose Glucose from the sugars above, choose the one(s) that fit each description below ii)...
Draw the Haworth projection structures for the B- anomer for these Fischer projections. raw Haworth projection structures for the B-anomer for these Fisch ojections CHO CHO ОН НО -Н H Н -ОН НО -Н Н -ОН CH2OH (D)-idose НО-НН НО-НН ньон снон (D)-galactose
Clearly draw the two possible chair conformations of the beta anomer of D-idose and circle the more stable conformer. Use the guidelines outlined in the textbook and lecture notes when drawing chair conformations. CHO HOH НЕОН HO- H НЕОН CH OH D-idose
CHO H--OH ?? -? CH2OH pyranose form b) ?? ?? most stable chair conformation c) ?? ???? ?? ?? Fischer projection ??? ?? ?? ?? ?? ?? most stable chair conformations
22. Convert the following Fisher projection into a Haworth projection. Draw only the alpha anomer (12 points) 21. Are the following pairs of carbohydrates the same, completely different, constitutional isomers or stereoisomers? (12 points at 3 points each) CHO CHO CHO сњон он OH он он CH2OH он он он он он но он но но он он CH2OH CH2OH он CHO CHO CHO сњон он он он он он но он но но Ho но он но он OH...
in Newman - Projection sale energy levels! H al Mé 4 Me tbuk 5) in Fisher-Projection! OH ICHO OH ८) - सल्लाने का Me in Natta projection! H Me H d) most stabled chair conformation in tBu -Me Me in Newman - Projection all energy levels! ## Mé ME ме tBuk 5 in Fischer - Projection! Ott CHO () to tester OH Me H projection! Me H H in Natta / for example IH Br in most stabled chair conformation...
A Fischer projection of a monosaccharide is shown below: A Fischer projection of a monosaccharide is shown below: CHO H- -ОН HO -H HO -H I -OH CH2OH v to form ring. When this monosaccharide cyclizes, carbon v bonds to the oxygen on carbon Note that the numbering of the carbons begins at the top of the Fischer projection. furanose pyranose A Fischer projection of a monosaccharide is shown below: CH2OH C=0 H OH НО. -H CH OH v to...
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....