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- 4. Draw the final major product(s) for each multistep synthesis reaction. H3O* OMe H3PO4 Jones Et,NH reagent H30* PBR3 KOC(CH3)3 1. O3 NABH3CN HO- 2. DMS NH3, H3O* Br KOC(CH3)3 1. ВНз PCC H3O* 2. H2О2, ОН CH2CI2What is the missing reagent in the reaction below? of of. cr CI Multiple Choice O LIAIH4. [2] H2O (1] CH2=CHLI, [2] H2O (1]) (CH2=CH)2CULİ, (2) H20 (1] DIBAL-H, (2] H20What is the major product of this reaction sequence? CIck on a letterA through D to answer. 1. EIONA/E1OH 2. BrCH-CH-CHз (1 еq.) 3. H30*, heat A. C. HO В. D.
- 2. Draw all possible products (regardless of major/minor) from the following reaction. No need to show any curly-arrow mechanism. No need to label major or minor product. H2 MeOH C. CH3 Br17) Draw the major product of the following reaction: Br2, CH2C1, Section: 6-9 18) Draw the major product of the following reaction: CH;CO,H Section: 6-10 10) * * (CH3)2S■ Draw the major product of the reaction sequence. Omit byproducts. 1. PhCOOOH 2. EtLi, then H3O+ 3. PCC Select Draw C Rings H O More Erase Q2 Q
- 6). What is the major product of the following reactions? (A) -? coon 1). NaOH in ErOH, then H,O+ 2). 1 eqiv. NaOEt 3). 1 equiv. CH3Br 4). H₂O*, Heat COOB (Intramolecular Claison) COOE (B) CH₂ COOH (D) CH₂ (E) CH3 CH₂Identify the correct first mechanism step and final product of the reaction shown. 1. ВНз, THF 2. Н2О2, ОН" mechanism step final product H-BH2 OH А. H-BH2 H-BH2 OH C. H-BH2 LBH2 D. OH B.H3C CH3 H CHI 'N H + Li*-O-H CH3 - Draw the product of reaction B. Rings Select → Draw More CH3 A H₂C CH3 H31 + Li H H -H Q2 Erase Q
- OTS OTS 4) Consider the two E2 reactions above. KOtBu DMF heat KOtBu DMF heat a. What are the major products for each reaction? b. What is the mechanism for each reaction? c. Which reaction would be faster and why? Use words like "transition-state, intermediate and/or reactant/product stability" in your justification. Draw the reaction coordinate diagram for both to assist in your explanation.Problems: 1. Provide the name for the following compounds. CI CI 'CI (a) (b) (c) Br (d) (e) (f)Consider the E1 reaction of the tertiary halide shown. Н. :Br: : ОН H :Br: + NaOH -H- product Step 1: Add curved arrow(s). Step 2: Add curved arrow(s). Select Draw Rings More Erase Select Draw Rings More Erase C H Br C H Br : Br : H : Br H H 'o: