
Select all possible 2-ketopentoses. x Incorrect. D-forms: CH, OH H- OH HO- H CH, OH CH,OH...
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
Please draw all of the sterioisomers. Thank you.
OH OH HO SHOW ANSWER X Incorrect. Draw all of the stereoisomers. HO HO CH CH CH CH Edit OH OF HO CH CH CH CH O 00
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
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...
What metabolic pathway forms the following conversion OH I-O C=0 C=0 H-C-OH C=0 HO-C-H 2 4 H-CH H-C-OH H-C-OH H 1 CH2OH (A) Glycolysis (B) Kreb's Cycle (C) Chemiosmosis (D) Fermentation a.(a) Ob.(b) OC(C) d.(d) Moving to another question will save this response
5. How are these 2 molecules related to each NHA HẸN other? 6. Find the meso compounds CH,OH H+ oH Bra Нонн Br +ci CH,OH CH, CH, H+OH Ho+H Ho+H НЕОН
II. Draw the structure for the major organic product of each of the following reactions. (7.5 pts each, 45 pts) Ç(CH3) 30 1) PhČCI, AICI: 11. 2) Et2NH, H2, Raney-Ni, heat 12. ÇO,Me 1) EtMgBr (2 equiv.) 2) H20, H30* O 13. CNH2 1) Bry, NaOH, H,0 O 2) (CH3)2CHCCI, pyridine 14. Brą, H20 CHO HOEH H HOH НЕОН HO+H CH OH 15. H2N. ***** оо CO2 1) (CH3),COCOCOC(CH3)3 2) -N: C: NH- 16. CHO нон PhNHNH2 H+OH (3 equiv.)...
1. MCPBA 2. H, H20 CH(CH3)2 H3CH2C- OH H- OH CH2CH3 CH(CH3)2 CH(CH3)2 CH(CH3)2 HECH,C- OH HOCH,CH, HOCHCH, HOH HOH H- OH CH2CH2 C H2CH3 CH2CH3 A. I and II B. III and IV c. I and IV D. II and III E. I and 111
CHO 1. NH2OH 2. Ac2o 3. CH,O CHO OH H- HO H HO H HCN H OH OH H- OH H- -OH H- CH2OH CH2OH The Wohl degradation is a series of reactions that shorten an aldose chain by one carbon, it is almost the exact opposite of the Kiliani In this reaction the aldose aldehyde carbonyl group is converted into a nitrile. The resulting cyanohydrin loses HCN under basic cone Conversion of the aldehyde to a nitrile is accomplished...
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