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- O Propose the reactant and draw the mechanisms to attain the following products. 1. EtMgBr 2. H₂O OH major OH minorWrite a detailed mechanism for the following reaction. Include the slow and fast steps. Draw the structures of the expected products. Label them as MAJOR and MINOR. HBr AAssuming the reaction shown below takes place via an SN2 mechanism, which of the compounds shown would be the expected organic product(s) of the reaction? OA 0 Ο O B + NaOH - ? OH A B C C D Oboth A and B both C and D
- When certain aromatic compounds are treated with formaldehyde (CH2O), and HCl, the CH2Cl group is introduced onto the ring. This reaction is known as chloromethylation. (a) Propose a mechanism for this example of chloromethylation. (b) The product of this chloromethylation can be converted to piperonal, which is used in perfumery and in artificial cherry and vanilla flavors. How might the CH2Cl group of the chloromethylation product be converted to a CHO group?5. Which product is formed in the following reaction? OH KCrO, 77 OH (e) (b) (c)K Draw the product of the reaction shown below. Ignore inorganic byproducts. Na2Cr2O7 H2O, CH3CO2H OH Q
- Identify the suitable reagents for the following: H,OPredict the product(s) and provide the mechanism. d Br forAn organic chemist reacts (S)-2-butanol with PBr3 in pyridine, removes the major organic product, and then reacts that product with a methoxide ion (-OCH3). What final major organic product does the chemist make? ΟΑ OB OC OD OE OCH₂ O Both C and D B OCH₂ ľ D OCH₂ E