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Total L (15 points, 5 points each) Name (using IUPAC rules) or draw a. 3,3,8-trimethyl-5-(1-methylethyl)decane b....
1. a. (4 points) Draw the dash-wedge structure of (2R,3S)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantiomer of the compound drawn in part a. Name the enantiomers. c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastereomers.
Name these compounds using IUPAC rules. Name these compounds using IUPAC rules. (20 points; 5 each) LOH
1. Name these compounds using IUPAC rules. (20 points; 5 each) COCH3
1. a. (4 points) Draw the dash-wedge structure of (2R,3.5)-2,3-dichloropentane. b. (4 points) Draw the Fischer projection of enantionmer of the compound drawn in part a. Name the enantiomers c. (6 points) Draw the Newman projections (looking down the C2-C3 bonds) of the diastereomers of the compound drawn in part b. Name the diastercomers 2. (6 points) Draw the mechanisms of the propagation steps of the reaction shown, focusing on the formation of the major product(s). NBS
58 Points Total Key Topics: Nomenclature, Conformational Stability, Newman Projections, Chair Structures 1. Using IUPAC rules (see Chapter 2.14-2.18 and Table 2.4 and 2.5 in text) provide a name to eac structure below. You may use common names for branched substituents were applicable. (3pts for eacl correct name provided) I (a) (b) (c) (d)
20. (10 points) Name or draw a structure for each of the following molecules using IUPAC rules. CH2CH2CH3 HỌC=CHC(CH3)2CH CHỊCH, C=C HH
Question 15 1 pts Name the following compound according to IUPAC: SH 2.2.3-trimethyl-5-mercaptyl-4-pentachloride 2-chloro-3-t-butylbutanethiol 2-chloro-3,4,4-trimethylpentanethiol 2,2,3-trimethyl-4-chloropentanethiol 1-mercaptyl-3.4,4-trimethyl-2-pentachloride
8. (15 points) For 2,3-Dichlorobutane: a) Draw the structure & label with an asterisk any centers of chirality b) What is the maximum number of stereoisomers? (Show your work.) c) Show the unique stereoisomers of this compound using Fischer projections (following the usual conventions with respect to positioning C-1 and the C backbone). Designate any enantiomers, diasteromers, &/or meso compounds.
1. Draw the following molecules, based on their IUPAC name: a) 2-hydroxy-5, 5-dimethylheptanedioic acid; b) 3-hydroxy-7-methylnonanedioic acid 2. Give the IUPAC name for the following compounds: A) HO OH 3. Circle the name that is correct for each molecule, based on IUPAC rules. V a) 4-methylheptanoate 4-methylbutanoate b) pentyl 4-metylhexanoate c) 3-methylbutyl 4-methylhexanoate d) isobutyl 4-methylhexanoate
5. Nomenclature (16 points). a. Give the IUPAC name of each of the following compounds НАС H3C b. Draw structures for the following compounds. 5-ethyl-5-iododecane 2,4,6-trichloroheptane Three structural (constitutional) isomers of bromochloropropane