PROBLEM 7-24 1. Predict the elimination products of the following reactions. When two alkenes are possible,...
PROBLEM 7-24 1. Predict the elimination products of the following reactions. When two alkenes are possible, predict which one will be the major product. Explain your answers, showing the degree of substitution of each double bond in the products. 2. Which of these reactions are likely to produce both elimination and substitution products? (a) 2-bromopentane + NaOCHz (b) 3-bromo-3-methylpentane + NaOMe (Me = methyl, CH3) (C) 2-bromo-3-ethylpentane + NaOH
Draw the major alkene elimination products from each of the reactions.2-bromopentane + NaOCH3NaOCH33-bromo-3-methylpentane + NaOMeNaOMe (MeMe = methyl, CH3CH3)2-bromo-3-ethylpentane + NaOH
PROBLEM 7-25 For each reaction, decide whether substitution or elimination (or both) is possible, and predict the products you expect. Label the major products. (a) 1-bromo-1-methylcyclohexane + NaOH in acetone (b) 1-bromo-1-methylcyclohexane + triethylamine (EtN:) (c) chlorocyclohexane + NaOCH, in CH, OH (d) chlorocyclohexane + NaOC(CH3)3 in (CH3)3 COH
PROBLEM 7-20 Give the substitution and elimination products you would expect from the following reactions. (a) 3-bromo-3-ethylpentane heated in methanol (b) 1-iodo-1-phenylcyclopentane heated in ethanol (c) 1-bromo-2-methylcyclohexane + silver nitrate in water (AgNO3 forces ionization)
5. (a) Write seven (7) possible ozonolysis reactions with different alkenes and alkynes? (10 points (b) Among Bromopentane, 2-bromopentane, 2-methyl-2-bromopentane and 1-Bromo-1- methylcyclohexane, in which compound SNI and El reactions with aq KOH and alc.KOH will be faster, and what will be the resulting products? Write the reactions involved. (10 points)
4. Predict the products of the following reactions & indicate whether they are most likely to go through an SN2, SN1, E1, or E2 mechanism. NaCN DMSO NaOH CH3OH heat Only one product is formed in the following E2 elimination reaction. Draw an arrow-pushing mechanism for the reaction and provide the correct product structure. Include a 3-D drawing (chair conformation) displaying proper stereochemistry of the transition state to explain formation of only the major product. CH3 •Br NaOCH3 ~"'CHS
Predict the product for the following reactions. 3. Predict the products for the following reactions. (10 points) | | | EtOH MOON NaOH 2 c.worz ons gaidaug v a n wolltort NaOCH3 NH3 (2 eq.) CH3 H2O
Thank you so much! (2 pts) Draw the major elimination products and Identify the mechanism responsible (E1 or E2). If both E and Z isomers form, only draw the E alkene. If only one isomer forms, label the alkene "E,""Z," or neither 1. NaOCH3 а. Br НОСHЗ b. НОСНЗ C. CI NaOCH3 d. (6 pts) Draw the substitution and/or elimination product(s) for the following reactions and identify 2. the mechanism responsible (SN1, SN2, E1, or E2) for each product drawn....
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2) and the major organic products 1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
1. ELIMINATION CONVERGENCE REACTIONS: Provide the major products for the following elimination products under the unique prescribed conditions: A NaOH DMSO (CH3)3COK DME > o B NaOH H20