Question 29 Predict the FINAL (?) product (or a mixture of products) for the following synthetic transformation: two diastereomers Br NASH DMSO Br SN2 1. OsO4 2. H₂O2 t-BuOK ? Br2 Hofmann product ? H₂ Pd catalyst two diastereomers B C D Br Br Br ABCD OA ов ОС OD Br Br
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- OIV OV What is the predicted product of the elimination reaction shown? IV OH HO conc. H2SO4 heat || V IIIWhat is the likley product of the reaction sequence shown? MgBr MgBr ОН РСС H2O K,Cr207/H2SO/H2O H,O CH2ČI2 ether ether ОН HO || II IV V O II O IV O vQUESTION 33 Which of the following rate laws accurately describes the rate determining step in an Et elimination of alcohols? OA Rate - Mearbocationproton OH. Rate = kfoxonium lon)[alcohol O cRate kfcarbocation] OD Rate = loxonium lon] OE Rate kcarbocation][water) QUESTION 34 Aqtuieous KMnO4 which is purple, indicatos the presence of alkenos by reacting with them to forn coioriess precipitate and OA. none of the answers OR 12 diols, molybdenum dioxide, orange Or vicinal diols, manganese dioxide. brown O D. glycols, magnesium dioxide, brown OE alkyl chlorides, potasslum hydroxide, yellow O F. geminal diols, manganese dioxide, brown QUESTION 35 five carbon (S)-(+) Carvone was isolated from caraway seeds and belongs to a group of natural compounds called O steralds, one pentane O alkaloids, three, tert-butyl O terpenoids, two, isoprene which contain subunit(s) pentanoids, one, pentane O None of the above
- A hydrocarbon of unknown structure has the formula C8H10. On catalytic hydrogenation over the Lindlar catalyst, 1 equivalent of Η2 is absorbed. On hydrogenation overa palladium catalyst, 3 equivalents of Η2 are absorbed. (a) How many degrees of unsaturation are present in the unknown structure? (b) How many triple bonds are Present? (c) How many double bonds are present? (d) How many rings are present? (e) Draw a structure that fits the data.a) What are the major organic products of the following reactions? OCEN A HCI, H20 1. LDA Br2 В 2. CH3CH2BR hv b) CH3 KMNO4, H* CH3-C=CH-CH3 HotAmong the choices shown, which reagents would lead to 3-pentanone from bromoethane? Al 1 Li Cul 2) C13CH2OTS | BI1 NECNn DMSO 2) CH3CH2M;Br 3)H2O C)CH13CH2-CO CI D CH3CH2-CO OCH2CI13
- Give the major products for each of the following reactions ОН PCC CH₂Cl2 __ОН CrO3, H₂SO4 1. LiAlH4, THF 2. Н3О+ 0 ОН ОН SOCl2 pyridine MsCl pyridineSelect the major organic product of this reaction. H3C H3C A D E B ( A OTS OTS НО. H3C D NaOH, H₂O B ▪OTS ***OH H3C product HO.. E OH -OTSdraw reaction mechanism for this 2 reactons pls. 1.2 eq CF3 J 7 eq O + HNE₂ 0.1 eq CuS 0.2 eq. 2-Me-1,10- phenanthroline MeCN, O₂ (1 atm) 60°C, 10 h Ar NEW NE₂2 1 LJ
- What is/are the expected MAJOR product(s) of the reaction shown below? 1) O3 2) H20 I. II. III. IV. O: ОН HO, HWhich compound is the major product of the reaction shown? H9SO, OH C. D. Compound A O Compound B Compound C Compound DC1IT11Q0521 Copy of Hasterv: Preparation and Reactions ut Ethers Give the major product(s) of the following reaction. Queston Qvestiun 2 Question Excess OMe Question heat Queston stien Queston Question Queston 10 Review Seere Meo Revtew Reulte teety Okective abe. Sne Br он OMe O OHON Br Br NC O OHjer Br Br There is no reaction under these condtions or the comrect productis not listed here Question Attempts eofi used