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3. (3 pts.) Show the chemical structure of (R)-2-phenylbutanarnide. evnthesized using butane as the starting uence...
3. (3 pts.) Show the chemical 4. (6 pts.) Can 3-methyl-4-nonanone be synthesized using butane as the starting material? If not, explain your answer. Il yes, provide a sequence of reactions. the ntru student, added penlanenitrile to a reaction couple of hours befon udding TLCafier ou hour
2. Starting with butane, show, using chemical equations, how you could prepare a. 2-bromobutane b. 1-bromobutane Note: For the following targets, you may also choose to begin with either 2-bromobutane or the 1-bromobutane as prepared above without repeatedly showing how you made these two compounds. Be sure to choose the best starting material for each job! c. 1-butene d. e. 3-methylheptane f. 5-methyl-3-heptyne
2. Starting with butane, show, using chemical equations, how you could prepare a. 2-bromobutane b. 1-bromobutane Note:...
For the following reactions, what chemical reactions would you observe? 1) Butane and Oxygen 2) Decomposition of Ammonium Carbonate 3) Zinc and Citric Acid 4) Zinc Acetate and Sodium Phosphate Tribasic 5) Hydrochloric Acid and Potassium Carbonate
2. Each of the proposed reactions below features a mistake in
starting structure structures, reaction conditions or product
structures. Circle the mistake and provide correction. (3 pts)
2. Each of the proposed reactions below features a mistake in starting structure structures, reaction conditions or product structures. Circle the mistake and provide correction. (3 pts) a. Focus on SN 2: NaOH V Br - HOVOH + NaBr H2O b. Focus on Sn2: focus on NZ: `Br NASCHz CH3OH - schz +...
2. Each of the proposed reactions below features a mistake in
starting structure structures, reaction conditions or product
structures. Circle the mistake and provide correction. (3 pts)
2. Each of the proposed reactions below features a mistake in starting structure structures, reaction conditions or product structures. Circle the mistake and provide correction. (3 pts) a. Focus on SN 2: NaOH V Br - HOVOH + NaBr H2O b. Focus on Sn2: focus on NZ: `Br NASCHz CH3OH - schz +...
Provide a chemical structure(s) for the major product in the structure(s) for the major product in the following reactions. If a chiral center is produced please give the correct stereochemical assignment at the chiral center (Q. 14,3 pts ea.). HBT 1. Peroxides HBr HO NaOH HO Eto Nat Br EtOH 5. Show how to convert cyclohexane into racemic 3-bromocyclohexene. Provide all reagents and structures of molecules synthesized along the way. (8 pts).
choose the sequence of reagents that provides the most efficient synthesis of 1,2-dicholorobutane starting from butane and using any reagents necessary.24.1 (3).png24.1 (2).png
3. (a) A bond-line (dash/wedge) structure for butane is shown below. Using the Newman projection templates provided, draw the overall lowest energy (most stable) and overall highest energy (least stable) conformation possible in Newman projection form sighting down the bond indicated. Provide a brie explanation to justify the conformer shown for cach case. (2pts each correct Newman, 2pts for valid explanation) sight down CG- bond Lowest Energy (most stable) Highest Energy (least stable) Explain: (b) For the bond-line structure below...
2) (a) Determin Ctar (b) Propose a structure (5 pts 10 (5 pts) (5 pts) (a) Assign chirality (R/S) to appropriate atom(s). tb) Draw an enantiomeric structure andassien chirality on appropriate atom 3) он NH2 Br Br F H (10 pts each) Show detailed méchanism for the following conversions. 4) -2 Br2 Brn H, o
2) (a) Determin Ctar (b) Propose a structure (5 pts 10 (5 pts) (5 pts) (a) Assign chirality (R/S) to appropriate atom(s). tb) Draw an...
2. (16 pts) Reactions Provide reagents, products or starting materials for the following reactions. Show stereochemistry when relevant (or loss thereof). If a reaction produces no significant products, write "NR". If you have a question about an abbreviation, just ask. NaBr OH 1. TsCI 2. Nal, DMF CI DMSO OH 1. PBrg NaCN 2. KOC(CH3)3 Ether LDA НОН THE NaH NaH PO Acetone Heat, water