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- what is major product of following Benzaldehyde--- NaOH ----propanal ----->? ( a ) α-hydroxy-2-methyl-3-phenyl propanal ( b ) β-hydroxy-2-methyl-3-phenyl butanal ( c ) β-hydroxy-2-methyl-2-phenyl propanal ( d ) β-hydroxy-2-methyl-3-phenyl propanal (e ) ɷ-hydroxy-2-methyl-3-phenyl propanal1) Draw a structure for the major product in each of the following reactions DMSO OTs NAOCH;17. Which of the following will reduce the ester shown in the box? OCH3 A) NaH B) H2SO4 C) H2CrO4 D) LIAIH4
- Provide a structure for A and a detailed mechanism for the following transformation. pka pka H3C CH3 NaOEt A CH3Li tBu + tBuThe following molecule undergoes an intramolecular reaction in the presence of pyrrolidinium acetate, the protonated form of pyrrolidine. Draw the product of this reaction, assuming that a dehydration reaction takes place.select the appropriate ., provide the starting material and intermediates used to complete the following multistep synthesis starting material. 1) NaNH2 Ph 2) CH31 3) Na, NH3 Br A B C