CH3 O CH3CH₂CHCH₂CH=CHCOH HCI CH3 CHICHICH CH3CH₂CHCH₂CH- CHCOH CI H CH3 CH3CH₂CHCH₂CH- O CHCOH H this product is not observed CI Account for the fact that this reaction yields only a single product by drawing the carbocation intermediate leading to the observed product.
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- Considering stereochemistry, draw the resulting E2 elimination product when H. is removed. H a Ho III.... H H₂ I jº ·*||||| H X Ś my èb) Which of the flowing reactions will have the faster rate and give a better yield? Use drawings of the transition state (show orbitals!) to explain why. Br NaOCH3 CH3OH Br NaOCH3 CH3OHIn the presence of light or heat, diazomethane (CH,N2) creates a carbene, which then adds to an alkene to make a cyclopropane. In the boxes below. draw the mechanism arrows for the reaction. H INEN: INE N:
- 2. Draw the carbocation intermediates (if any exist) and the products for each reaction. Include any intermediates and products arising from carbocation rearrangements. Be sure to include stereochemistry!!! 1. ВНз 2. Н2О2, NaOн H2SO4 H20 Br2 HO. H2SO4 HOʻThe product of this first step is called a "tetrahedral intermediate." Click on its structure. Ö: :0 H3C-C-O-CH3 Ī CH3 H₂C C :O-CH3 :OH H3C-C-O-CH3 :O-CH3 :0 H₂C-C-OH :O-CH3 +H H H3C-C-O :O-CH3Considering stereochemistry, draw the resulting E2 elimination product when H, is removed. H₂ H All H Br |||| X AJ U: S G
- Zaitsev's Rule refers to: which alkene is favored in a product mixture O how resonance contributors stabilize cations/anions/radicals O the stereochemistry of reaction intermediates/transition states O the stability of carbocation intermediatesConsider a reaction where cis-but-2-ene is treated with sO followed by NaHSO/H, O. Draw the structure of one product that is formed in the reaction, including correct stereochemistry.Complete the following reaction with mechanism and a major product: O₂N- -CHCO₂Et CO₂Et PhCH₂Cl K₂CO3
- Consider the following mechanism of reaction: CH3 CH, CH3 CH;C CH, + H-CI CH;CCH, + C: → CH;CCH, tert-butyl cation CI tert-butyl chloride In this reaction: The alkene and the carbocation intermediate are both nucleophilic HCl and CI" are both nucleophilic The alkene and HCI are both electrophilic The carbocation and CI" are both electrophilic The alkene and CI" are both nucleophilic AMeving to another question will save this responseFor the reaction shown below, circle the major product obtained when the | reaction is allowed to reach equilibrium. Place a box around the product that is formed the fastest. а H2C= CI H-CI CIH2C CIH,C H3C CI CI `CH3 H2C CIH,C H;C CIDraw a veasonable mechanism for this reaction that involves free radicals. hv DH cat. OH Ph Pn H,C