H-C-OH+HO-CH2CHCH3-H+
Ans :-
Reaction of Formaldehyde (H2CO) and Propanol (C3H7OH) in the presence of acid (H+) leads to the formation of hemiacetal.
Here, H+ increase the nucleophilic addition reaction.
CHO H-C-OH H-C-OH H-C-OH CH, OH CHO 1 H-C-OH HO-c-H H-C-OH H-C-OH CH, OH CHO H-C-OH HO-C-H HO-º-H H-C-OH CH,OH CH,OH CEO HO-C-H H-C-OH H-C-OH CH,OH D A B с Which of the sugars in the figure above is an ketopentose? C B None of the choices are correct. D A
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?
HO HO O H O H H H H H OH OH OH OH OH H OH cs a) Circle the glycosidic bond. b) Identify the type of glycosidic bond that is present in this molecule. c) What type of molecule is this? I- H
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
this reaction is similar to OPO OH H OH HO H HO H ADP ATP HO H HO OH OH H- Rxn 4 aG 1 kJmole యంro E CH OPO, Reaction 4 is most similar to the conversion of 0 1.3-bisphosphoglyoerate to 3-phosphoglyoerate o phosphoenoipyruvate to pyruvate e oxaloacetate to phosphoenolpyruvate o 1.3-bisphoephoglyoerate to 23-bisphosphoglycerate
CHGOH c=o OH H- C=0 HOW H- OH Ho+H HOM онон H CH.CH CH OH CH OH sorbose xylulose wylo D isomer L isomer OH OH CH3 -CH-CH CH-CH CH3 -CH2-C-CH3 CH Scree 2019-12 Chiral Achiral Student F ion_Han...
D-Glucose RC +HO-R = H----OH HOP! H -OH нон CH, OH "CH, OH OH HOROR R-C-OR R -C-OR + HOH H HO-R Hemiacetal Acetal Aldehyde Alcohol OR 3-436- OHHO- --OR = R'--0 + HO- R R RC-OR + HOH HOR Ketone Alcohol Hemiketal Ketal ch Wired Company CH, OH Сен,он 5. Label the functional group as acetal, ketal, hemiacetal or hemiketal. KOH OH нон a-D-Glucopyranose B-D-Glucopyranose
Classify the biomolecules below as chiral or non-chiral: OH O H H-C-OH C=0 HO-C-H H ОН OO II III IV 1: II: chiral V III: IV:
CHO HO+H PhNHNH2 H OH (3 equiv.) H-OH HO+H CH2OH
b. CH3CH2C-OH + HOCHZ- HO Edit H₃C.