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- (ii) Draw the product R, including a detailed reaction mechanism for the conjugate addition reaction between the 1,3-dicarbonyl P and the a,ß-unsaturated ketone Q. Eto P OEt + Q OEt Et3N R (iv) Explain why conjugate addition is favoured over direct addition to Q in this case.Predict the product of the following reactions. (a) 1. NaOEt, EtOH, heat 2. H3O+ quench (b) Pho O O OEt OMe 1. NaOMe, MeOH, heat 2. H3O+ quenchFor each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second order (SN2). (a) cyclohexyl bromide + methanol
- Predict the product(s) and provide the mechanism for each reaction below.For each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second-order (SN2). (a) isobutyl bromide + sodium methoxideWhich of the following compounds is the major product of the reaction sequenc shown below? (1) Na CNCH3CN Br (A) (B) NH2 (2) H* H20, A он (C) (D) HO. O Compound C )Compound A Compound D )Compound B
- For each reaction, give the expected substitution product, and predict whether the mechanism will be predominantly first order (SN1) or second-order (SN2). (a) cyclohexyl bromide + sodium ethoxideElectrophilic aromatic substitution usually occurs at the 1-position of naphthalene, also called the a position. Predict themajor products of the reactions of naphthalene with the following reagents.(a) HNO3, H2SO4 (b) Br2, FeBr3 (c) CH3CH2COCl, AlCl3(11) A OB C D A solution of which of the following alkyl halides in methanol will be optically active to begin but slowly lose most or all of its optical activity when heated? H H Br H3CBr Br (B) (A) T Br (C) (D)
- 3) Predict the product for the following reaction. (CH3)2CHOHDraw a plausible mechanism for the reaction shown below. Determine the major product and provide explanations for each step in the mechanism. (i) CH3CH2L¡ (excess) (ii) NH4CI, H2O8. What is the major organic product generated in the reaction below? (A) (B) ||||| Br + Na OCH3 $ £ (C) (D) NO RXN (E)