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o H Br CH3 "CH₂ CH₃ THE CONFIGURATION OF CARBON ATOMS 12 AND Cz ARE? A)...
Use the pair of compounds below to answer the next three questions: OH Br TBr LOH 24. What is the correct stereochemical designation for compound IT? a. b. c. 2S, 3R, 4R 2R, 3R, 4S 2S, 3S, 45 d. 2S, 3S,4R e. 2R 3R 4R 25. What is the correct stereochemical designation for compound I? a. 2R, 3S, 4S b. 2S, 3S,4R c. 2R, 3R, 4R d. 28, 3R, 4R e. 2S, 3S,4S 26. What term best describes the structural...
3. Assign Rors configuration to the following molecules: - Br Br F Br -CH CH.CH H CH2CHE CH2CH CH, CH -CH, OH H -CH=CH2 H3C 7 Сн, HI CH(CH3)2 4. Label each pair of stereoisomers below as A,B,C,D a. Enantiomers b. Diastereomers c. Identical d. Meso Compounds u 5. Write the complete stepwise mechanism for this reaction. Show all electron flow with arrows and show all intermediate structures. (10 Points) BE CHO -Br (or CI) Br
12) What is the IUPAC name of the compound shown below? C₂H, Br- CH3 H-I-C1 CH3 (A)(2R,3S,4S)-2-chloro-3,4-dibromo-3-methylhexane BX2R,3S,4S)-3,4-dibromo-2-chloro-3-methylhexane C) (3S,4S,5S)-3,4-dibromo-5-chloro-4-methylhexane D) (2R,3R,4S)-3,4-dibromo-2-chloro-3-methylhexane E) (2R,3S,4R)-3,4-dibromo-2-chloro-3-methylhexane
4. Which pall or suructures are enantiomers? COOH OH CH3 Ноосон нон CH2CH3 Br CH CI WYCH CH3 ÇH2CH3 CH3 HO CH3 HOCH CHz a) I, II b) II, III c) I, III d) I, II, III 5. Which are meso compounds? OH H ANH OH - H TOH a) I and II b) II and III c) I and III d) III and IV
Consider the following structures for Questions 16-18: boog is 21 nolla CH3 CH, (2) CH₂ oliqogloun (d CH нсі Η ει OOOOHHH orion CH3 up to CH ovel munditiups ( CH, Br ah CHH 12 691 (5-8) 20110s cible or lo CH, upo bubona brus HE at H (4) CH₂ (5) CH (6 CH₂ CH sels 101 lle (b) (5) (7) CH₂ HI 1155207512 o 2 inwollol odlo co to moitibbe (d IDH to no nosnogóled bills ( b oilbyr...
24 Ma 3. 11) In the reaction of Ch with ethane and UV light, which of the following reactions would be a propagation eventis 74 w I) C+CH3-CH3-CH3-CH2-C+ H- II) Cl+CH3-CH3-CH3-H2c HC III) CI+CH3-H2CCH3-CH2-c IV)Cl2+CH3-H2C CH3-CH2-C1 + Cl V) Cl2 + UV light CI+C ph A) reactions I and V B) reactions II, III and IV Thi op (IA, 2A. C) reactions I and IV D) reactions II and IV eoaional Usion of in becket are oation is avaab E)...
6) Which of the following compounds has an R configuration? A) B) (HBC)3C H. H CICH3)3 F CH3 F CH₂ C) HỊCH,C CH(CH3)2 H, CH(CH3)2 HOH FH 7) Which of the following groups has the highest priority? A) -OH B) ---0-CH3 -C-H D) -O-CH3 E) -C-OH 8) What is the relative priority of the OH group in the following compound? HO A) 1 B) 2 C) 3 D) 4 9) Which of the following is not true about enantiomers? A)...
3. Assign R or S configuration to the following molecules: Br F Н. F H- Br CH, Br CHECH, H CH2CH3 CH2CH3 CH, CH, -CHE OH H CH=CH2 H3CH2 HY CH(CH3)2 CH 4. Label each pair of stereoisomers below as A,B,C,D a Enantiomers b. Diastereomers Identical d Meso Compounds
age 7 19. The reaction of CH, CH, CCH, CH, with H,/Ni forms a. pentane. b. one particular chiral pentanol. c. an equimolecular mixture of two chiral pentanols . d. one achiral pentanol. e. no product. 20. The p-orbital of a methyl radical carbon, CH,, Contains how many electrons? a. 1 b. 2 e. 3 d. 4 e. 0 21. (2R, 35)-2,3-Dichlorobutane and (25, 3R) -2,3-dichlorobutane are: a. enantiomers b. diastereomers e. identical d. conformational isomers e. constitutional isomers 22....
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tatMtiele Cheice 2.0peints.each Which of the fellowing structures is mest stable? How many stereaisomers does the molecule below have? 2) CH)HCtCH CHCH CH3 CH2 br OH e) 9 d) 8 c) 6 b)4 al 3 Which of the follewing molecules below are chiral? 3) HO Ho e) 1, 2 and 3 a) Only 1 d) 1 and 3 b) 1 and 3 c) 2 and 3 What is the relationship between the following two compounds? 4 сн, H- H...