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For butenafine, develop a synthesis that starts with napthalene and benzene.
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- Choose the reagent(s) that would be most likely to complete this reaction. I||| / A B C D 1. BH3-THF 2. H2O2, NaOH Br₂ H₂O OsO4 (catalytic) NMO RCO3H Done2. Propose a reasonable reaction mechanism for the following transformation. & CH3 OCH3 H3O+ H₂O/CH3OH -CH3.6) Propose a reasonable mechanism for this reaction. m. G (C6Hs)3 (C6H5)3P-O
- Show how m-dibromobenzene can be synthesized from benzene from multiple reactions. Tip: think of diazotation as an important reaction in this process.Draw the structure(s) of the major organic product(s) of the following reaction. t at 1. lithium diisopropylamide / hexane t 2. 1 eq. CH2=CH-CH2CI ot • You do not have to consider stereochemistry. • Omit products derived from the acidic or basic reagent itself, e.g. HN(i-Pr), derived from N(i- ot t Pr)2". If no reaction occurs, draw the organic starting material. • If substantial starting material is present at the end of the reaction, include it in the products. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu. ot t otPropose a short synthesis f or ONE of the following molecules. You can start with acetylene, and alkyl halides from 1-4 carbons in length. You can also use an reagents you wish. a) Hexan-3-one (CH3CH2COCH2CH2CH3)
- Be sure to answer all parts. Devise a synthesis of the product compound from the indicated starting material and the given reagents. CH3CH;CH;CH;OH CH,CH, CH3 POCIy CH;CH½CH, CH,01H pyridine draw structfure mCPBA draw structure... II) LIAIH, CrOy H2 SO4, H20 CH,CH, CH3 draw structure ... %23Provide the reagents necessary to carry out the conversion shown. 1. H2O; 2. KMnO4 1. O3; 2. DMS; 3. Na2Cr2O7/H2SO4/H2O 1. NaOH, Br2; 2. DMS; 3. H2O/heat 1. O3; 2. DMS; 3. KMnO4 1. DMS; 2. H2O2/heatDraw the structure(s) of the major organic product(s) obtained after workup of the following reaction. HNON-E-CHS 1 eq. HCI • You do not have to consider stereochemistry. If no reaction occurs, draw the organic starting material. Include counter-ions, e.g., Na+, I, in your submission, but draw them in their own separate sketcher. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner.
- 3. Draw the structure of the major organic product that forms in each of the following reactions Specify stereochemistry where appropriate. a) b) c) ð CH₂O Br Br 1) PhyCNa/Ether 2)CH₂l Oso (cat) (CH₂N-O2H₂O pyridine/'BuOH/H₂0 OCH, 1) DIBAL (excess) -78°C -rt/3h 2) MnO₂/ CH₂C 11/3hDescribe a sequence of reactions by which 2-hexyne can be prepared from acetylene while minimizing the number of steps required. O 1. NANH2; 2. CH3CH2CH2Br; 3. NaNH2; 4. CH3B1 O 1. NANH2: 2. CH3Br; 3. CH3CH2CH2B1; O 1. NANH2; CH3Br; 3. NANH2; 4. CH3CH2CH2B O A or B O A or C2. Provide the mechanism. d.o. + (CH3)2NH HCI, EtOH heat