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Label each compound as an acetal, a hemiacetal, or an ether.a. b. c. d.
Select whether each compound has an alcohol, ether, acetal, or hemiacetal. a. ОСН, CH3-C-H OCH3 (select) ОСН2СН3 CH3-C-H OH b. (select) OCH3 HOCHCHCH2CH3 (select) (select) A
OH inctional group as an alcohol, ether, acetal, or 16.72 Label each functional group as an hemiacetal. осна OCH OCH CH2CH3 ОН b. CH3-C-OCH,CH,CH3 CHE 16.73 What acetal is formed when each aldehyde or ketone is
5. a) Identify each compound below as either an acetal, a ketal, a hemiacetal or a hemiketal. b) Identify any that contain a chiral center. gar no но осна 6. Draw (a) the hydrate of each of these compounds, and (b) the product when each is heated with excess ethanol with an acid catalyst. (a) Hydrate (b) ethanol product Oy
10. Consider the disaccharide below. a. Label any acetal and hemiacetal in the disaccharide. b. Number each monosaccharide ring. c. Classify the glycosidic linkage as a or B and use the numbers to designate its location. d. What monosaccharides form when the disaccharide is hydrolyzed? CH2OH - CH2OH Конвенон OH 9. Consider the following cyclic monosaccharide. a. Label the hemiacetal carbon. b. Label the monosaccharide as an aor B anomer. c. Draw the other anomer. d. Assume that this is...
Be sure to answer all parts. Draw the hemiacetal and acetal formed when the carbonyl compound is treated with two equivalents of the given alcohol in the presence of H2SO4. CH2CH2 CH2 CH3 + CH3OH Hemiacetal : draw structure ... Acetal : draw structure ...
Draw structures of lactol/cyclic hemiacetal or cyclic acetal formed from intramolecular cyclization of the hydroxy aldehydes/ketones9-6.jpg
QUESTION 16 Identity the following compound as a hemiacetal, an acetal, a hemiketal, a ketal or something else: HO OCH For the toolbar press ALT+F10 (PC) or ALTOFN+F 10 (Mac) TTTT Paragraph Arial 3 (12pt) % DD 90 III T WTH
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1. a) Identify each of these compounds as a hemiacetal, hemiketal, acetal, ketal, imine, or enamine b) Draw the carbonyl compound and nucleophile(s) from which each was formed. CH3 HO CH3 OCH3 CH3
Classify these structures as hemiacetal, acetal, or other.