Which reaction pathway is favored given the following substrate and conditions? ci NaBr Acetone a. E2...
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Which reaction pathway is favored given the following substrate and conditions? Ci xi NaBr Acetone a. SN2 b. Sni c. E1 d. SN2/E2 e. E2 f. Sn1/E1
Which reaction pathway is favored given the following substrate and conditions? ci NaBr Acetone O a. Sn2 b. E2 OC. SNI d. SN2/E2 e. El f. Sni/E1 What is the major Organic product from the following sequence of reactions? O 1) NaNH2 2) Br ou O (b) 0 NHO i NH (d) (e (f) What is the systematic IUPAC name for the following Organic compound? o o a. Butanoic methanoic anhydride b. Ethanoic pentanoic anhydride c Octan-2,4-dione d. Pentylethanoate e....
Which reaction pathway is favored given the following substrate and conditions? CH3OH -78 °C OTS a. Sn1/E1 b. Sn2/E2 CSN2 d. E1 e. E2 f. SN1
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? a. The leaving group is typically the conjugate base of a strong acid. b. The temperature is relatively "cooler" to reduce competing elimination products. c. The solvent is polar and protic. d. All of these are consistent with an Sni pathway. e. Neutral nucleophile work just fine. f. The rate is not dependent upon the concentration of the nucleophile. · The substrate has a...
Indicate which reaction type is favored for each substrate (Questions 19-21) acidic 19. R,CX - solution Each term may be used more than once or not at all. a. E1 Nu b. Sn1 20. RCH,X c. E2 d. SN2 strong 21. R,CHX base Consider the pair of reactions below to answer the following (Questions 22-25) KI 1 + KBr Reaction des de Acetone Reaction A
10. The following substrate reacts differently with each set of conditions. For each reaction give ALL of the products, the mechanism (SN 1, SN2, E1 or E2), and the rate law. You may abbreviate the alkyl halide as R-Br in your rate law. (12) Draw reaction product(s) Mechanism Rate Law NaSH acetone 11. The following compound is shown with no designated stereochemistry. How many stereoisomers are there for this compound? Draw each of them and label them as either chiral...
1. Assign the correct mechanism for the process that will predominantly take place in the reactions A-F shown. Your three choices are: S2 or E2 or (S1+E1) NaCN t-BuOK Br Br DMSO В. A. NaOCH2CH3 Br Cн,CH-оH D. Br heat C. Н-о F NaOCH2CH3 Br Br E Hint: As practice for the exam, make sure that you can CONFIDENTLY draw the structures of all the products formed in these reactions by the predominant mechanisms that you select! a) A: S&2;...
What is the major Organic product expected from the following reaction? ОН Онө СІ CH3CH2OH ОН ОСН-СН; Н;CH,CO СІ (c) (b) ОН (d) (е) Оа, а Ob.b Ос. с Od.d O e.e f. f What is the best route for converting the alcohol to the ether as shown below using a substitution reaction or a sequence of substitution reactions while preserving the stereochemistry at the chiral OH OCH a LICH b.i.HCI; ii. CH3OH Оe NaoCH3 d. CH3OH Oei. HCI; NaOCH...
1.(1 pt. each) Consider the following statements regarding Syl, SN2, E1 and E2 reactions. To which mechansims, if any, does each statement apply? If the statement can be applied to more than one mechanism, indicate each mechanism. SNI a) Involves a carbocation intermediate SNIEL b) Substitution at a stereocenter give predominantly a racemic product c) Rearrangements of the carbon skeleton are possible. EL SM d) Is greatly accelerated in protic solvents of increasing polarity SN e) Is first order in...