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- 1c. What is the nucleophile in the following reaction? .Br CH;CO0 Na LO OCCH3 NaBr ld. What is the electrophile in the following reaction? Br CH;COO Na L0OCCH3 NaBr +What reaction category/mechanism type does the following reaction fit? O addition substitution (SN1) substitution (SN2) O elimination (E1) O elimination (E2) HCI CI + HOCH3 CH3 Br- Br2 .CH3 CH2Cl2 CH3 H3C H3C Br Electrophilic addition of bromine, Brɔ, to alkenes yields a 1,2-dibromoalkane. The reaction proceeds through a cyclic intermediate known as a bromonium ion. The reaction occurs in an anhydrous solvent such as CH,Cl,. In the second step of the reaction, bromide is the nucleophile and attacks at one of the carbons of the bromonium ion to yield the product. Due to steric clashes, the bromide ion always attacks the carbon from the opposite face of the bromonium ion so that a product with anti stereochemistry is formed. Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing Instructions CH3 CH3 CH3 CH3 H3C H3C :Br: :Br:
- Draw the organic product you would expect to isolate from the nucleophilic substitution reaction between the molecules shown. Note: You do not need to draw any of the side products of the reaction, only the substitution product. D xx + H₂O + X Click and drag to start drawing a structure.Draw the organic product you would expect to isolate from the nucleophilic substitution reaction between the molecules shown. Note: You do not need to draw any of the side products of the reaction, only the substitution product. + H₂O Cl + ☑ 5 C Click and drag to start drawing a structure.5. Classify the following reagents as either nucleophiles or electrophiles: Zn? CH;NH, , HS , OH; , CH;COOH , H,SO,
- Draw the organic product you would expect to isolate from the nucleophilic substitution reaction between the molecules shown. Note: You do not need to draw any of the side products of the reaction, only the substitution product. SH + 0 Br + X S C Click and drag to start drawing a structure.5. Classify the following reagents as either nucleophiles or electrophiles: Zn2* , CH3NH2 , HS , OH2 , CH3COOH, H2SO4For the reaction below identify the reactant electrophile and the nucleophile. H 8 Ö: H3O H₂O
- Question 18 8f 20 Predict the major organic product of the reaction, and complete its mechanism. Predict the product. Select Draw Rings More C 1. NaOEt/ETOH 2. CH3CH,Br 3. dilute NaOH, heat 4. H3O* 5. Heat7. The reaction of methoxide anion with bromoethane to yield the ether ethyl methyl ether and the bromide anon (Br-) is an excellent example of a general reaction type called Sy2 (substitution nucleophilic bimolecular): CH,0+ CH,СH-Br a CH3-0-CH,СH; + Br- a. Change in enthalpy is -103 kJ/mol; the change in entropy is + 0.025 kJ/mol-K. Calculate DG at 300K. b. Is the reaction endergonic or exergonic? c. Is the reaction endothermic or exothermic? d. Use curved arrows to show the complete mechanism. Reaction of 2-methyl-1-butene with H-Cl could yield TWO alkyl chloride products. Draw and name 8. them.Rank the following carboxylic acid derivatives in decreasing order (most to least) of reactivity towards nucleophilic substitution. bl || A. B. C. D. E. NH₂ مل I > IV > III > || || > ||| > IV >| | > ||| > || > IV III > IV> || > | IV > I > III > || IV