4) When an enantiopure isomer of molecule 1 is exposed to HCI, it racemizes. Write a mechanism for the process and, choose the intermediate(s) below that would be improbable for the describe racemization process. SH HCI 4. Racemization Me Me SH он Me Me MeO. Me Me Me Me Me A -) A; b) B; c) C; d) D;e) AB ; f) AC; g) AD; h) BC; D BD;) CD
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- What reagents are appropriate to carry out the conversion shown? - OH LOM 1. mCPBA; 2. CH3MgBr; 3. H₂O O 1. CH3MgBr; 2. H₂O O 1. mCPBA; 2. H₂O O mCPBA + enantiomer3) wite down the open structures of A, B, C and D wfth the reactions the Tyn thes is D, scheme showing given in synthesis the of trust. of pheromone H-CミC- H 1) NANH2 l18quid NHg -78°C. 2) 1- bromo-5-methyl hexone 3(Cg Hgb) 1) NANH2//iquid NHs/-78 °C A (CaHi6) 2) 1-bromodecane P-2 (Nez B)/He . cicuHu) CiHg Cog H D(Cig H3pO) 19 19 CS CamScanner ile tarandıAn organic chemistry student reacted benzene (excess) with a racemic mixture of (S) and (R) enantiomers of 2-chloro-3,3-dimethylbutane in the presence of AICI3 followed by water. Which of the following represents at least 50% of the final product profile? [Note: more than one answer may or may not apply.] ok of d b a ok *** CI f
- : For the following reaition ) choo se the organic products that uill be formed and then 2) indicate whether the produts was / were formed via an SNI ,Sw2, E1, E2 mechonism. For elimination realtions, only consider the major alkene. Q1: OH H2 S04 O SO,H possible products : a. d. mechanisms : Q2: Br possible produuts: emultiple) Br a. d. C. mechanisms : LAN 十。 Q3. posible produts : Aloin loax c. ef Jloe s I.k a . mechani sms Q4. Br CH3 NadCH3 CH3 CH3 0H C6HS CH2CH3 ocH3 ocHs C6HS CH3 CH2CH3 H- CH3 posible prodacte R CHs CH3 CH3 CH2 CHs cH3 G. b. d. C. mechanismWhich conditions will cause the interconversion shown? how? H H2/ Lindlar catalyst oa. Li/ NH3lia) ob. H2 / PtO2 (1) Brg: (2) KOH / E:OH od. (1) Hg(OAc)2 / THF / H2O: (2) NaBH4 е.Chemistry Give the major product of the following reactions with the appropriate stereochemistry and regiochemistry 1. CH3 Compound A m. m. 1. Compound A; 2. dil. HCI CI Br n. 1. Compound A; 2. dil. HC1 Ph 0. 1. Compound A; 2. dil. HCI O2N.
- Give the mechanistic Symbols CE1, E₂, SN, SN²) that are Con Sistent with Statemenst! most each of the following O Methyl halides react with Sodium ethoxide in eth and only by this mechanism In ethanol that contains Sodiumn ethoxide, tert-butyl bromide reacts mainly by this mechanism c) these reaction Con certed DJ these involve are mechanisms infere processes reactions mechanisms carbc cation intermedites E) Reactions proceeding by mechanisms are these Sterospecific3. Predict products stereochemistry and mechanisms of the following reactions. .CO2H N. H (cat.) Ph N° A = .CO2R + A ? Ph Et solvent (i) (ii) (iii)Synthesis - Drawing Saved Synthesize the following compound from cyclohexanol, ethanol, and any other needed reagents. он Part 1 out of 2 plnts Preparation of organometallic reagent: еВook Print References A B CH3CH2OH CH3 CH2MGB. draw structure ... Draw the intermediate product above and select the correct reagent for A. O Br, O NaBr O HBr O Select the correct reagent for B. O Mg O MgBr2 O MgI, O MgO Hin Soluti raw 11 e here to search
- 1. Propose a plausible mechanism for the reaction schemes below using curved arrow notation to illustrate electron flow; be sure to show all charges and intermediates. () mechanism a) OH 1 eq. Cl₂ 2 + HCI mechanism b) D2SO4 озв1. а) Consider the reaction scheme below. PhLi HONH,, HCI A C ELOH B D (ii) Outline the mechanism for the conversion of A to B.2. Fill in the major product of the following reactions. Include stereochemistry when appropriate. all ebuloni abnucqmoo privolial arts to atinja intel -omoid-S-(3) ensilexeromond-4-(S) on KOtBu tBuOH ya CI KOtBu tBuOH CI NaOMe MeOH NaOMe MeOH EtOH CI MeOH benogoto to is heat congid of evol mon aheat malwollot erti (teawol edi