QUESTION 3 Which of the following always performs an E2 reaction? O DMSO O ci OLDA...
Which conditions are optimum for an E2 reaction? DMSO a) CH31 100 Divo DMSO CH CH3 b) CH3CHCI + CH,COK CH CH3 c) CHICHCH2Cl + CH OH H2O HO CH3 d) CH3CHCH2Br + CH,8 oooo
Question 3 (1 point) Which is the correct alkene product from the E2 reaction below? Oc Question 4 (1 point) The correct stereoelectronic arrangement of hydrogen and halide in an E2 reaction is antiperiplanar. True False Which of the alkyl halides below will undergo a carbocation rearrangement in a solvent like water or methanol? MO Mo-Br Me Me Me Me OB Oc All of the above
describe each as Sn1, Sn2, E1 and E2 then draw a curved arrow mechanism for each reaction. NaSH DMSO SH KOH HO DMSO Br NANH NH3 OTs NH TsO TsO CHs CH3 Nal CH3 acetone CH O O
Which reaction pathway is favored given the following substrate and conditions? ci NaBr Acetone a. E2 b. Syl El c SX2 d. SN 2 E2 e. E1 f. Sni
1. Determine if E1 or E2 and the product formed. H₂O H2O t-butoxide DMSO OCH 3 CHONa. DMSO -ochz Br CHOU CHOH OH acetic acid ОН 2. Draw all the possible products. OH
Question 10 3 points Which of the following is FALSE regarding Sn2 reactions? They always occur with the inversion of stereochemistry. They occur in a single, concerted step. Rearrangements can occur due the production of a carbocation intermediate. They are the preferred reaction of primary alkyl halides.
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....
1. Predict the most likely reaction mechanism (SN1, SN2, E1, E2) and draw all products. CH3 CI + NaOCH2CH3 2. Draw complete mechanism with arrows for the SN1/E1 mechanism. Check for carbocation rearrangements. Hac CH + H2O
Which of the following can be used for an E2 reaction to minimize any substitution side product formation? Select all that apply. DBN potassium tertiary butoxide sodium methoxide sodium ethoxide
O. Which of the following two cyclohexanes will vield the indicated product in an E2 reaction duet in an E2 reaction? Explain your answer using chair conformations. (3 pts) 7. For each reaction indicate whether you expect Sul, S2, El. or one of these!) to predominate. Then predict the product(s). Remember that possible answer. (8 pts total) er you expect SNI, S2, E1, or E2 (or a mixture of more than 5). Remember that no reaction is also a DBU+Song...