31 13. Draw a correct structure of folic acid, with the pteroate ring tautomerized in the...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....
REVIEW SHEET FOR E2 IN CHEM 3153, OCTOBER 27, 2019 Draw the structure for the MAJOR ORGANIC PRODUCT form each reaction. Assume the reactions have been terminated and neutralized. a. R-COR + DIBAL-H in hexane/-78 'C ------------ OR 1. CO2 b. Ph-Br + Mg/ether - -> 2. H,0* THE c. methyl butanoate + LDA -----> H.C-1 HO* H30* (cat) d. acetone + 2,4 (ON),C,Hy-NH-NH2 cyclohexanone e. PhyP-CH, I + PhLi/ether -- > H20 f. H.C-CH2-CH2-COH + BryP ------> -- n-Bu-Br...
g) Which structure is Z-2-bromo-3-methyl-2-pentene? CH3 H3C CH2CH3 H C=C CH-CH,CH, CH3 CH3 Вісн. C=C CH3 Br н Br | BÁ CHẠCH, C=C CH, CHỊCH, 10) Which compounds contain stereocenters? D) 1-chloropentane II) 2-chloropentane III) 3-chloropentane IV) 1,2-dichloropentane 11) Aspartame is an artificial, non-saccharide sweetener. It is made from two amino acids phenylalanine (methyl ester) and aspartic acid. Both aminoacids have one stercocenter. Both stereocenters have S-stereoconfiguration. Which of the two structures is aspartame? H2N-C-C-N-C-0-0 CH2 CH2 c=0 HO HO...
What is the correct name for the following compound? d) 5-oxo-3-octenoic acid What is the defining functional group of a carboxylic acid? a) an-H attached to a carbonyl group b) an-H attached to a carbon-carbon triple bond c) an-OH attached to a carbonyl group d) an -OH group attached to a O-C double bond e) an-OH group attached to an aromatic ring To convert a carboxylic acid to an aldehyde a) convert the acid to an acid chloride, then use...
Please show any work or explanation and help with filling out the data table. I appreciate it very much. Thank you! 5. (Opts) Propose opts) Propose a reasonable to heterostom for the organic molecule that gave rise to the spectra below. Complete the me poctra below. Complete the datablas below related to the structure that you've identified Mass Spectrum 100 Relative Intensity 10 20 30 40 50 70 80 90 60 m/z 100 110 IR Spectrum 028 1936.93 13C NMR...