1. Please provide the mechanism for the following transformations. If the product is not shown, predict the product. 1. 2 3 IIIO H₂SO4 H2O MCPBA 1. NaOCH3 2. H2O+ mill OH 3 OH OCH3
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- Predict the major products of both organic reactions. Be sure to use wedge and dash bonds to show the stereochemistry of the products when it's important, for example to distinguish between two different major products. E C+ C™ x c+ C 'v Ĉ + C + Т. 61 T o. X H₂0¹ X 1. Hg (OAC)₂, H₂O 2. NaBH Ś S C Click and drag to start drawing a structure. Click and drag to start drawing a structure.3. Show the mechanism for the acid catalyzed addition of H2O to the following ketone. OH H20 CH3 H* 4. The scheme below shows the reaction of a ketone, 2-propanone with methanol. OH :0 : || CH,-C-CH3 : ОН + H CH, c-CH3 CH;-C-CH3 N step 1 step 2 step 3 P CH,OH CH3 CH,OH step 4 + H OCH3 CH,-C-CH3 H - H,0 C-CH3 ÓCH, S CH; step 7 step 6 step 5 OCH3 i) Write the missing structures (N, O, Q and R) in the above reaction scheme. ii) Name the class of compounds P and S belong to? iii) This is an acid catalyzed reaction. What does this statement mean? iv) Draw the arrow diagram in step 6 to show how intermediate R is formed? Write the equation for this step ONLY. v) Steps 3 and 7 involve loss of a proton from the intermediate ions. Why is this step necessary?in this reaction Time left 03334 What type of compound is formed when a primary (1") alcohol is treated with Jones' reagent (1. CrO2 2. H,0*/acetone)? Select one Oa an aldehyde Ob a carboxylic acid Oc a ketone Od an alkyne PAGE NEXT PAGE PUELC. All rights reserved ged in as 201910293 s_Che (Log out) Data retention summary Get the mobile app TOSHIBA INS 12 6 1 7 V Y I D I FIGY Hi J J C V B y N i ALT CTRL GR
- Predict the Product. Predict the stable organic product(s) that would result for each reaction below. Label the product formed in highest yield as "major." Na2S204 1. NaOH / H2O 100 °C но. `NH2 но он 210 °C Na Na NaOH / H20 NO2 2. HCI / H20 3. но triethylene glycol 210 °C H2N-NH2 2 OH triethylene glycol 210 °C HO, но он NH2 H2N 210 °C 2.2. For each of the chemical substitution reactions below identify the major products and whether the reaction is likely an SN1 or SN2. Br NACN ethanol-water CH,OH / H,0 Nal (1 equiv.) acetone CI CH;CH,OH 25°C 3. For each of the following compounds provide appropriate reactants and solvent systems to synthesize them by a substitution reaction. Show which type of substitution: Sn1 or SN2. Br NH2 Br NACN NH, аcetone CN Br OH HBr I . Il.. NASH DMSO SH10. What is the major organic product generated in the reaction below? HO HO 40||!!!!!! (A) OH ...... (B) 1) 03 2) (CH3)2S HO O (C) H НО. (D)
- $1. What is the product? (A) (А C) (1) (D) 2. For an acif-catalyzed hydration of acetaldehyde to produce a diol, which is the correct first-step in the mechanism for this reaction? OH M₂C-C 'H H HOCH Со H=C-C H H3C о H3C-C H H₂O* H catalytic H₂SO4 203 HO OH H,C-C-H5. Provide reasonable mechanisms for the conversions below. CH3 NaOH CH H20 BrB. Predict the major organic products of the following reactions of 1- methylcyclohexanol: CH3 OH NaH KMnO aqueous H₂SO4 room temp. conc. H₂SO4 A HBr (substitution) l
- A student proposes the following two-step synthesis of an ether from an alcohol A and another organic reagent R: A 1. TvCl.py 28 Is the student's proposed synthesis possible and likely to give good yield? If you said the proposed synthesis would work, draw the structures of A and R in the drawing area below. If there's more than one pair of A and R that give equally good results, you can draw any pair. It's OK if R is an lonic species, you can assume any necessary counterion is present. Click and drag to start drawing a structure. 0 4:0 Oyes Ono 2)What is the major product of the following reaction? + H20 H2SO4 ..... ..... ..... .... OH OH он OH он II II IV V Select one: O II OIVa. Enamines formed from the cyclic secondary amine pyrrolidine are important intermediates in the synthesis of 1,5-diketones. On the structures provided below, formation of an enamine from cyclopentanone and piperidine. draw the curved arrows for the reaction mechanism for the acetic acid-catalyzed H H H H eo N H H H3C- isod 1916w Proton Transfer (PT) 000 'H HO :01H SHO 6: HO H H 8²8-- H H 12.H food to shujounte sitt allarWm H OH M HO N