Question 1 How would you perform these two transformations using radical conditions in the key step? Provide a route with reagents and intermediates: ось HO H ? ? OH 19750 nebasebni 2 2 edi no nousup odi "Minsbutz ∞
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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)?CN HO a-Determine if it will follow an SN1 or SN2 mechanism and state which it will follow. b-Explain the reasoning for the mechanism choice, including analysis of the alkyl halide, nucleophile and solvent. c-Draw the mechanism the reaction will follow.Draw the mechanism ffrom benzaldehyde to this using: i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2O
- Which compound is most nucleophilic? * О Option 5 О снзSH CH3SH О снзон О снзсо2н CH3CO2H О 120 Н207. Draw resonance contributors for the following two anions. Indicate which anion is a stronger base. N N 8. a) How many monobromination products (constitutional isomers) would be obtained from the radical bromination of methylcyclohexane? b) Which product would be obtained in the greatest yield? c) Which product would be obtained in the lowest yield?O In this step alkyne anion is alting and it is attacking cecting acting as 4 electrophile a Pla وعك Ho as a nucleophile on the genen molecule, which is Br pom 산 2-Bromo propane (26105 576 honros он 2
- Draw the favored product(s) of the following reactions (organic chemistry)Part A Draw a mechanism for this reaction: NN HO A OH H₂C CH₂ Edit the reaction by drawing all steps in the appropriate boxes and connecting them with reaction arrows. Add charges where needed. Electron-flow arrows should start on an atom or a bond and should end on an atom, bond, or location where a new bond should be created. H EXP. CONT H₂C CH₂ Marvin JS by ChemAxon H Z O N O S CI Br I P FDraw a veasonable mechanism for this reaction that involves free radicals. hv DH cat. OH Ph Pn H,C
- Draw a mechanism to explain the below reaction: МеОн, НВг Br Meo Rate the below nucleophiles in terms of INCREASING nucleophilicity. Explain why. CH;OH CH;O t-Buo- CH3COWhen performing a retrosynthetic analysis for the desired synthesis below, what is the best question to ask fırst? Br What conditions should I use to brominate an alkane? C From what functional group can a vinyl bromide be made? C How do you convert an alkyl halide into an alkene? C How do you convert a vinyl halide into an alkyne?5. What is the major product of the following reaction? OH A) I B) || C) III D) all of the above E) none of the above H₂SO4 heat ||| LOSO3H
