Which -2- bettthe ollewing, alkylhalides wld te SN2 Substrate? Why? a 1-bromo- 3 methyl heptane b)...
Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is ...Br (A) (B) -Br Br (C) (D) *Br Q12. The correct order of increasing stability for the following conformations is CH, H Н. Н H H H CH2CH3 H Н CH,CH CH CH3CH2 CH H2C CH, H CH, I II III (A) III < III (C) II <I<III (B) I<III <II (D) I< II < III Q13. Identify the relationship between the following two Newman projections. CH, H НАС. H Н;С. Н...
1-bromo-3-methylbutane vs 1-bromo-3-methyl-2-butene vs 1-bromo-2,2=dimethylpropane Which compound reacts fastest in respect to SN2. Which is slowest?
Which of the following alkyl halides is likely to undergo rearrangement by a 1, 2- methyl shift? A) 3-bromo-3-methylpentane B) 2-chloro-3, 3-dimethylpentane C) 3-bromo-2, 3-dimethylpentane D) 2-iodo-2-methylpentane Which of the following alkyl halides is the worst substrate for the Sn2 reaction? A) Br B) Br C) Br D) Br In the mechanism for the reaction shown below, the first curved arrow moves from_ to Н. CH3CH2NH2 H3C + CH3 A) carbon (in CH3CH2NH2) to oxygen B) oxygen to nitrogen C)...
for f - j draw structures pls help with #1 as well f) 4-methyl-2-pentene 9) trans-8-ethyl-3-undecen h) E-5-bromo-4-chloro-7,7-dimethyl-4-undecene i) Z-1,2-difluoro-cyclohexene i) 4-ethenylcyclohexano Predict the major organic product or products of each of the following reactions. a) (CH3),CHCH-CH: H2SO4 HO b) (CH3),CHCH-CH, 1. Hg(OAc), H20 2. NaBH4 1. BH-THF c) (CH3),CHCH-CH2 2. H,O, NaOH
for each pair of compounds, state which is the better SN2 substrate 2-methyl-1-iodopropane or tert-butyl iodide 2-methyl-1-iodopropane O tert-butyl iodide Submit Request Answer Part B cyclohexyl bromide or 1-bromo-1-methylcyclohexane 1-bromo-1-methylcyclohexane cyclohexyl bromide 2-bromobutane or isopropyl bromide O isopropyl bromide 2-bromobutane Submit Request Answer Part D 1-chloro-2,2-dimethylbutane or 2-chlorobutane O 1-chloro-2,2-dimethylbutane 2-chlorobutane 1-iodobutane or 2-iodopropane O 2-iodopropane O 1-iodobutane Submit Request Answer
please answer this question as soon as possible Q11. The correct structure of trans-1-bromo-3-methyl cyclopentane is Br (A) (B) -Br Br (C) (D) Br Q12. The correct order of increasing stability for the following conformations is СН3 H H. H H H H CH,CHZ H H СН3 H CH2CH3 CH3 CH3CH2 H2C СН3 CH3 II (B) I < III <II (A) III < II <I (C) II <I<III (D) I<II < III
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...
Which is the best SN2 substrate? a.2-chloro-2-methylhexane b.2-chlorohexane c.1-chlorohexane Which substrate will react fastest via an SN1 mechanism? a.1-bromo-2-methylcyclohexane b.1-bromo-1-methylcyclohexane c.bromocyclohexane Which of the following is capable of a rearrangement once the leaving group leaves? a.1-bromo-4-methylcyclohexane b.1-bromo-1-methylcyclohexane c.1-bromo-2-methylcyclohexane d.bromocyclohexane
14 Draw the following molecule in the most stable conformation 15. Draw the following molecule: (58,3Z)-5-bromo-5-methyl-3-octene 16. Predict the major product in the following reactions Show correct stereochemistry where appropriate. If two or more stereoisomers form in equal amounts show these stereoisomers. Make sure you do not show identical structures 1. BHY/THE 2. H,02, OH, H20 CH3OH Biz CH,Cl2 CH3OH H2SO4
8. Explain why the following deuterated 1-bromo-2-methylcyclohexane undergoes dehydrohalogenation by the E2 mechanism to give only the indicated product. Two other alkenes are not observed CH3 (CH, Br OCH, -CH Сн, H DH DH not observed observed