Draw the major organic product generated in the reaction below. Pay particular attention to 1) regio- and stereochemical detail. CH3. -CH3 KMN04 (warm, conc.) CH3 H
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- 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 11/3hCat 2) Give the structure of the major organic product (s) expected from each of the following reactions. If necessary, indicate product stereochemistry. but Hydroboration Produs 1. BH3 2. H₂0₂,-OH Anti-Marklarnitter aridust. To less 1. RCO,H 2. H¹, H₂O H*, H₂O (3 products) عيهمه stable carbocation 1. 03 (excess) 2. H₂O2, -OH 1. HBr (1 equiv) 2. H₂, Pd/C of the equilibrium it will shift if:Identify the major product of the reaction of an alkene shown below. ||| 1. Hg(OAc)2, H2O 2. NaBH4, NaOH ....... ОН || IV ОН о, ОН
- Part A Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. CH₂ Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. CONT? NN 1. CH,COH 2. H, H₂O DC ⓇH: 2D A" EXP OH CH₂ OH H H с N O S 25 Br - P FTROVIOW Topicaj (References) Draw the major organic product of the reaction shown below. HO, NANH2 You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Include cationic counter-ions, e.g., Na" in your answer, but draw them in their own sketcher. (Review Top Draw the major organic product of the reaction shown below. OH K2Cr207 H2SO4, H20 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.1. a) contd. then write the intermediates for steps i-iii (no need for mechanisms, ATQ) b) What are the intermediate products & the final product of this synthetic sequence? Benzene Br₂ FeCl3 Mg ether 1. C6H5CHO 2. H3O+ H₂Cr₂O4 acetone
- Q3. For the substitution reactions below, draw out the reactions as shown and answer the following questions for each example: (i) Draw the structure of the unknown product(s) of the reaction. (ii) Identify the nucleophile, electrophile and the leaving group for each step. (iii) Identify each mechanism as Sn1 or Sn2. (iv) Insert curly arrows to represent the reaction mechanism. b. Br NH3 Product C Product DChemistry Q: Kindly explain the striking observation that methylation of the alcohol 1 leads to a methoxy compound in which the stereochemistry of the oxygen has changed. Explain it by providing a mechanism accounting for the transformation. (write legibly pls).Draw 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.
- 1) Fill in the boxes and blanks below. Provide stepwise mechanisms (curved arrows) for each reaction step (elementary step) filling in all intermediates and products. Complete the Rxn Coord. Diagram template corresponding to the 2nd Rxn and ensure it represents the expected thermodynamics and kinetics expected for this reaction. (please use scratch paper first) Rxn #1 :CI: Me a mixture Et of stereo- isomers Ме Но: :0 Et H-CI: Ме Reaction type (rxn 1)? H.. Ме Rate law (rxn 1)? rate = optically pure What type of stereisomeric products (rxn 1)? intermediate 1 intermediate 2 MeS: Na CH3CN (polar solvent) Rxn #2 E optically pure product Rxn type (rxn 2)? regiochemistry? add o & o* orbitals involved in TS for rxn 2 rxn progress Rate law (rxn 2)? rate =N(CH2CH3)3 + HNO3 --------> a.) rewrite the reaction using bond-line structure of reagents and products of the reaction b.) supply the curved arrows explaining the mechanism of the reactionPredict the major, organic product for the following reaction sequence. Be sure your answer accounts for stereochemistry and regiochemistry, where appropriate. If multiple stereoisomers are formed, be sure to draw all products using appropriate wedges and dashes. 1) ТСРВА 2) a. „MgBr H,C H3C CH2 H;C CH3 ? b. H30* H;C CH3 3) Н2, Pа/c