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- 24. Which product is formed by the reaction ? A) | B) || C) ||| D) IV Br ОН NaH Br ... هستم IVPredict the product of this E2 elimination reaction. ||| Br NaOCH3 || = IVConsidering stereochemistry, draw the resulting E2 elimination product when H. is removed. H a Ho III.... H H₂ I jº ·*||||| H X Ś my è
- 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 + CH3CH₂OHDraw curved arrows to show the movement of electrons in the step of the mechanism shown below. Arrow-pushing Instructions X→UU :0: :O: || CH3-C-CH₂-C-OEt :OEt :O: || :0: || CH3-C—CH—C—0—OEt + EtO: H2. a) b) Ez Draw the products of each / elimination Фоснасня H |||| Br H3 C H Ф OCH₂CH3
- Consider the nucleophilic substitution reaction shown here. Based on the stereochemistry, does it proceed by an Sy1 or Sy2 mechanism? Explain. OH KOCH3 Enantiomer CH;OH `OCH3Q5. Draw the all products and a detailed mechanism for the following reaction? -OCH2CH3 Br CH3CH2OHⒸ shawl the mechanism and major product одосиз (B) OH. NaBtly CH3 OH
- 10. Draw the complete, detailed mechanism (curved arrows) for the following reaction, and predict the major product. CH3 ▪OH 1. DMSO (COCI)2 2. Et3N HDraw the organic product formed in the following reaction. H-N Job OEt OEt [1] NaOEt [2] CI [3] H₂O+, A NHAC HO "CH₂ edit structure ...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)?