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- (a) Br2 FeBr3 (b) NaCN CI (c) HO H,SO, 180 °C Major product (d) 1) LİAIH, H2N- 2) H,O* (e) SOCI, Но8) Draw the mechanism for the following reaction: H₂SO4, H₂O Mechanism iCrO3 CH3CH2CH2OH CH3CH2COH CH3CH2COCH2CH2CH3 A problem often encountered in the oxidation of primary alcohols is that esters are sometimes produced as by-products. For example, oxidation of propyl alcohol yields propanoic acid and propyl propanoate. Draw curved arrows to show the movement of electrons in this step of the reaction mechanism. Arrow-pushing Instructions B: :0: CH3CH2CH- A: BH* CH;CH,CH нӧ: HÖ H-A
- Draw Intermediate CH3OH₂+ protonation H H3C -0 H Q CH3OH deprotonation loss of H₂O elimination H3C :0 ÖH -CH3 Draw Intermediate CH3OH deprotonatio Please select a drawing or reagCurved arrows are used to illustrate the flow of electrons. Follow the arrows and draw the missing intermediates and product in this reaction. Include all lone-pairs. Ignore any inorganic byproducts. :0: Draw Intermediate (CH3)2NH₂+ protonation H+ 00: deg H Q CH3 CH3 (CH3)2NH2+ protonation (CH3)2NH Deprotonati on - H₂O elimination Draw Intermediate (CH3)2NH Nucleophili c Addition HỘI ỔNCH, CH₂ Draw Intermediate (CH3)2NH Deprotonat ion QComplete the reaction by identifying the major product/s of the reaction: NucBase Strength methyl 1 strongistrong SN2 SN2 E2 E2 no strongweak SN2 SN2 SN2 reaction no weak/strong E2 E2 E2 reaction no no weakiweak SNTET SNIEI reaction reaction Br (W) O Il only III only O l only O IV only I and II Il and III
- Which compound is a major product of the reaction sequence shown (1) Li, NH3, -35°C A (2) mcРBA/CH,сЬ OH D HO- OCompound B )Compound A Compound D+ H3C-CI + NaCN DMSO H3C-CN Identify the nucleophile in the following reaction. + NaCl A) Methyl chloride (CH3CI) B) DMSO C) Chloride lon (Cl-) D) Sodium lon (Na+) E) Cyanide lon (CN-)a) b) c) d) e) 1) BH3/THF 2) H₂O2 NaOH (aq) cold Cl₂, H₂O HBr CH3CH₂OOCH₂CH3 1. Hg(OAc)2, H₂O 2. NaBH4 o 1) 03 (-78 °C) 2) (CH3)S H₂ Lindlar catalyst
- (2) Draw the arrow-pushing mechanism of the following reaction: (10 pts) 1) AlCl; CI 2) H2ODraw the curved arrows for the following mechanisms. Describe what is hap step (mechanism patterns). (Take it one step at a time and note the differences). :0: R CI: H-O-H :Ö:0 :0: :CI: :CI: H2O OH OH2 Br Br H-Br O-H H-8-H :0: OH Br 1 Br H2O H₂O2.84 For each of the following reactions, decide if (i) tendency toward minimum or products. in od (ii) tendency toward maximum randomness favors re- actants or products. gsmn o. bin m0 energy favors reactants b ginat aid n honnidel ad (d) CO(NH2)2 (aq) + H20 (1) M E0.0 CO2 (g) + 2NH3 (g) AH = +28.4 kkal (e) N204 (g) 2 2NO2 (g) AH= +14 kkål (f) 203 (g) 302 (g) AH = -68 kkal (g) 2NH3 (g) N (g) + 3H2 (g) AH = +22 kkal %3D %3D %3D %3D