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Which of the following are electrophiles, and which are nucleophiles?
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- Show arrows, mechanism and product of TiCl4 + CH3-O-CH3.1. Which of the following is the strongest nucleophile? Refer to the diagram below with an MeOH, MeSH, etc. 2. Which of the following is true about the stereochemistry of SN1 reaction?a.retention of configuration at the electrophilic centerb.50:50 mixture of retention and inversion of configuration at the electrophilic centerc.inversion of configuration at the electrophilic centerd. slightly more inversion than retention at the electrophilic centerConstruct a three-step synthesis of 3-bromocyclopentene from cyclopentane. Drag the appropriate items into the bins. Note that each bin should hold only one item, and not all reagents and structures will be used.
- Construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene by dragging the appropriate items into the bins. Note that each bin will hold only one item, and not all reagents and structures will be used.Construct an efficient three-step synthesis of 1,2-epoxycyclopentane from bromocyclopentane by dragging the appropriate formulas into the bins. Note that each bin will hold only one item, and not all of the given reagents or structures will be used.On a single graph, draw the reaction coordinate diagram for the addition of one equivalent of HBr to 2-methyl-1,3-pentadiene and for the addition of one equivalent of HBr to 2-methyl-1,4-pentadiene. Which reaction is faster?
- -Name the correct mechanism via arrow pushing -name each mechanism -name each minor and major products (1R,2S)-1-iodo-2-methylcyclohexane + ethanol/DMSO/stirred 3 daysRank these in order of increasing reactivity in an SN1 reactionDraw the molecule: Under second-order conditions (strong base/nucleophile), SN2 and E2 reactions may occur simultaneously and compete with each other.Show what products might be expected from the reaction of 2-bromo-3-methylbutane (a moderately hindered 2∘∘ alkyl halide) with sodium ethoxide. Do not worry about sterechemistry inther SN2 product for this problem. Don't forget about stereochemistry.
- According to the LUMO density map, on which face is the LUMO electronically more exposed to nucleophiles? Based on this data, which face would be more electronically favored? (These questions go hand in hand.)Select reagents from the table to carry out this transformation in 5 steps.Select all of the weak nucleophiles from the list below. KOH CH3CH2SH C3H8 Cyclopentanol (CH3)3CMgBr (CH3CH2)2NH LiAlH4 NaBH4