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- 1. Write the formula for the conjugate base for each of the following acids: а) НCO b) НРО c) HBROÕH CONH2 NH 1. a.) Put asterisk on chiral centers b.) label each chiral center as R or S. c.) Draw the enantiomer d.) Draw one diastereomer I ZI IZCONH, HQ NH (CH)3C a.) Put asterisk on chiral centers b.) label each chiral center as R or S. c.) Draw the enantiomer d.) Draw one diastereomer
- Draw all possible carboxylic acids with the formula C5H10O2.Identify the conjugate acids and bases in the following pairs of substances. (CH3)3NH / (CH3)3N *H3NCH2CH,C00 / H2NCH;CH2COO OOCCH,COOH/ 00CCH2CO0Which of the following is the cyclic form of an L saccharide? 1) II) CH2OH OH H CH2OH H H H ОН OH H ОН ОН OH H ОН II) IV) H OH ОН CH2OH CH2OH CH2OH H H. H ОН H H H OH ОН ОН OH
- In the preparation of aspirin, You can do the functional group test to ensure the completion of the reaction. (a) What is the name of reagent used? (b) What is your observation if any unreacted starting material is present? (c) What is the name of the functional group responsible for this reaction?Circle the chiral carbons in the following compounds:Draw the structures of the following acids:(a) 2-Ethyl-3-hydroxyhexanoic acid (b) m-Nitrobenzoic acid
- Examine the structures of the following molecules. In each compound circle and identify by name each functional group. a) ethanolamine b) Glucosamine c) Threonine H₂N-C-C-OH H₂ H₂ H₂N HO OH d) Phosphoenolpyruvate с H₂N-CH OH OH OH HC - OH 1 CH3 OH T O=P-O O H₂C=C-C OH1.1 Which of the following statements is true for the chemical depicted below? CH,-CH,-CH,-CH,-CH2-CH,-CH,-CH,-CH2-CH2-CH,-CH3 CH3-N-CH3 CH,-CH,-CH,-CH,-CH2-CH,-CH,-CH,-CH,-CH,-CH,-CH3 A) it has unsaturated hydrocarbon chains B) this molecule is a cationic lipid c) this molecule readily dissolves in water D) this molecule could be useful for carrying nucleic acids into cells1-34. Indicate whether each of the following statements about enantiomers is true or false. (a to d)