Rank the relative rates of the following alkyl halides in an El reaction. H₂C-Br Br CH3 fastest El reaction CH₂ Br j∞∞ CH₂ CH3 slowest El reaction Answer Bank -Br CH3
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- Plastic photochromic sunglasses are based on the following reversible rearrangement of a dye inside the lenses that occurs when the lenses are exposed to sunlight. The original dye absorbs UV light but not visible light and is thus colorless, while the rearrangement product absorbs visible light and is thus darkened. (a) Show the mechanism of the rearrangement. (b) Why does the rearrangement product absorb at a longer wavelength (visible light) than the original dye (UV)?What 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 vDraw the mechanism ffrom benzaldehyde to this using: i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2O
- What is the predicted product of the reaction shown? ОТ O II O ||| O IV OV Н Na2Cr2O7/H2SO4/H2O IV || ОН ОН овог H V Ш OH ОН2. Which of the following would give a meta product when submitted to EAS reaction conditions? OA OB OC OD OE OF A B C H CF3 E F CI HOFor the reaction below, draw he reachon mechanisms) (aurows) and predict al she major products. If no reachon will H2C acur brey explain whag: Br CH20H
- Determine the mechanism of nucleophilic substitution of each reaction and draw the products, including stereochemistr CH₂CH3 CI Br + CN d. + CH3COOH a. acetone + -OCH3 e. DMF f. b. C. ||||| a ||||| Br H Br CH2CH2CH3 + CH3OH DMSO H CH3 CI Br + OCH₂CH3 + CH3CH₂OHthe starting material for these two reactions? The rogenation is done first, folowed by the bromination H, Lindlar's cal Bry ON OIV %3D OIIWhat would be the major product(s) of the following reaction 1 equiv. HBr(conc) ? heat O CGH5CH2BR +CH3OH O CGH5CH2B + CH3BR O CGH5CH2CH2Br O CGH5Br + CH3OH O CGH5CH2OH+ CH3Br
- What is the product of the hydride shift rearrangement reaction shown in the box? A) НО. B) H2SO4 ? H,O ОН HO D) OD OC O A овDraw the major organic product of the reaction shown below. HO Hoa + HCI • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. /n [F ? ChemDoodleⓇPredict the product for the follwing reaction. To preview the image click here Br O A OB OC OD OMe A MeOH boil (give substitution product) OMe B سجاد OMe ± C e OMe D