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- Predict the product(s) and provide the complete mechanism for each reaction below.Mclent eynthesis tor the following compounds trom benaen OF Br Provide the complete arrow pushing mechanism and the major product for the follc Major Product 8) reaction. H,SO, он ноDraw the mechanism ffrom benzaldehyde to this using: i)NaBH4 ii)TsCl, py iii)NaCN iiii)H+, H2O
- Propse a mechanism for the following reaction:please proudde the product and the mechanism For the Following reacton, otity your negitechemistny. HOKThe key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?
- When a 2, 6-disubstituted allyl phenyl ether is heated in an attempted Claisen rearrangement, migration occurs to give the p-allyl product as the result of two sequential pericyclic reactions. Explain.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)?Complete the following reaction with mechanism and a major product: O₂N- -CHCO₂Et CO₂Et PhCH₂Cl K₂CO3
- For the reaction below, draw he reachon mechanisms) (aurows) and predict al she major products. If no reachon will H2C acur brey explain whag: Br CH20HIn each of the followinq rea ctions, t he indlicated procluct is either obtained poor yretd all. Provide the case, or not at detai led explanat con why this is a U ##f0d CH, (CO, Et),ci Ne GEt, EEOH PHCH(co U Ph Br CH2 CHO + CH, Č CH2 NADEE, CHz CH CH, C CHz Et OH NaOEE () CH2 CHO t CHq Ć CHzWhat is the major organic product obtained from the following sequence of reactions? O C B Br A (CH3)3COK CH3CO3H H₂O H₂SO4 None of these A OH OH B D ||||OH OH OH OH