3a) (5 pts) When 1,2-epoxypropane is treated with sodium ethoxide in ethanol, 1-ethoxy-2-propanol is the major...
3a) 5 pts) When 1,2-epoxypropaneis treated with sodium thoxide in ethanol 1-ethoxypropandis the major product while only atrace amount of 2-choryl-propanol is produced Propose a mechanism for the major product and explain the results based on the mechanism NOCH.CH سية ta Екон Please write a reasonable electron pushing mechanism for the following (10 pts H
The major products of 1) 1-bromohexane + sodium ethoxide in ethanol 2) 2-chlorohexane + NaOCH3 in methanol 3) 2-chloro-2-methylbutane + NaOCH2CH3 in ethanol 4) 2-chloro-2-methylbutane heated in ethanol 5) isobutyl iodide + KOH in ethanol/water 6) 1-bromo1-methylcyclopentane + NaOEt in ethanol
The reaction of 3-chloro-1-butene with ethoxide ion in ethanol yields only 3-ethoxy-1-butene; the rate of this reaction depends on the concentration of both 3-chloro-1-butene and ethoxide ion. The reaction of 3-chloro-1- butene with ethanol alone, on the other hand, yields both 3-ethoxy-1-butene and 1-ethoxy-2-butene. How do you account for these different results? (0.3 pts) CH3CH2OH 3-chloro-1-butene 1-ethoxy-2-butene 3-ethoxy-1-butene CH3CH20 CH2CH2OH 3-ethoxy-1-butene
6. A student wanted to synthesize the anesthetic CH3 2-ethoxy-2-methylpropane. He used sodium ethoxide 2-chloro-2-methylpropane for his synthesis and ended up with no ether. (NaOCH2CH3) and CH2CH 2-ethoxy-2-methylpropane A. What was the product of his synthesis? (1 point) B. What reagents should he have used? (1 point)
22. What is the IR What is the major organic product obtained from the following + NaOHA 2 Hyot OH O он о он OH A) 4 B) 2 C)3 D)1 19. Provide an acceptable name for the compound below CHICH CH CH SH ан, н A) (Z)-4-methylhex-3-ene-1-thiol B) (E)-4-methylhex-3-ene-1-thiol C) (2)-3-methylhex-3-ene-6-thiol D) (E)-3-methylhex-3-ene-6-thiol 20. What compound is formed when 2.2-dimethyloxirane is treated with ethanol containing a trace of HCI? A) 2-ethoxy-2-methyl-1-propanol B) 1-ethoxy-2-methyl-2-propanol C) 2-ethoxy-2-methyl-2-propanol D) 2-ethoxy-1-butanol E) 1-ethoxy-2-butanol...
Highlight Answer Explain using mechanistic arguments why the reaction of 2-bromo-1,2-diphenylpropane (either enantiomer) with sodium ethoxide (NaOEt) in ethanol (EtOH) at 80°C produces mainly (E)-1,2-diphenylpropene [little of the (Z) diastereomer is formed]. Br EtONa EtOH, Δ + Z (major) (minor) The carbocation required for formation of the Z diastereomer is higher in energy because of electron withdrawing inductive effects. O The carbanion required for formation of the Z diastereomer is higher in energy because this transition state has fewer resonance...
When 2-bromo-3-methylbutane reacts with ethanol,two products are formed, 2-ethoxy-3-methylbutane and 2-ethoxy-2-methylbutane. 1.Give an explanation for the two products. 2. Draw the full mechanism for the formation of the second product. (mechanism should have fours steps in total, including a deprotonation step.) Please show all work!
amic dust obtained from the following race What is the major OH O TY A) 4 B)2 03 D)1 19. Provide an acceptable name for the compound below CHI CHA CHẠC,SH Bemethylho. 01 A) (2)-4-methylhex-3-ene-1-thiol B) (E)-4-methylhex-3-ene-1-thiol C) (2)-3-methylhex-3-ene-6-thiol D) (E)-3-methylhex-3-ene-6-thiol 20. What compound is formed when 2,2-dimethyloxirane is treated with ethanol containing a trace of HCI? A) 2-cthoxy-2-methyl-1-propanol B) 1-ethoxy-2-methyl-2-propanol C) 2-cthoxy-2-methyl-2-propanol D) 2-ethoxy-1-butanol E) 1-cthoxy-2-butanol 21. What is the major organic product obtained from the following reaction? A)...
(2 points) When the alcohol below is treated with and pyridine, the expected elimination product is formed. However, when the same alcohol is treated with, the elimination product is 1,2-dimethylcyclopentene. Propose a mechanism for each pathway to account for these differences 1. POC3 pyridine OH SO4 2. Predict the mechanism for the following conversion (2 points) Hgo
2-When the following compound is treated with sodium hydride (NaH), the major product isolated has the formula C5H100. IR spectroscopy reveals no significant diagnostic absorption band the proton NMR shows three signals, as does the carbon NMR. Suggest a structure for the product that is consistent with the information above and show a mechanism for its formation NaH Br OH C5H100 ?