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Please help with both questions Part 3. Mechanism (10 pts) 18. Draw the complete mechanism for...
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Show the complete mechanism for the reaction of trans-2-butene with Br using curved arrows to represent every bond broken and every bond formed Pay careful attention to the stereochemistry, using dashes and wedges to draw the reactant, intermediate, and product. Name the product or products. Be sure to include the stereochemical configuration of the product(s) if necessary. Part 4. Synthesis (5 points each). Show a reasonable synthetic pathway for the following transformations, 1. Acetylene - 1,2-butanediol 2. cis-2-butene-trans-2-butene
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w hicon МСРВА 1) O3 2) H2O 0-0 0- Part 3. Mechanisms (5 points each). Draw the complete mechanisms for the following reactions, using a curved arrow to indicate every bond broken and every bond formed. 1. Show a mechanism explaining why Na/NH3(1) converts an alkyne to a trans-alkene
8. (15 pts) Draw a complete arrow pushing mechanism(s) for the reaction below. Please draw every arrow, every bond broken or formed, and the resulting regiochemistry and/or stereochemistry if there is any. 1. ve Н. A H cerita 1. 2. HOH H
8. (15 pts) Draw a complete arrow pushing mechanism(s) for the reaction below. Please draw every arrow, every bond broken or formed, and the resulting regiochemistry and/or stereochemistry if there is any. 1. N ܂ H I 2. H OH Н. H H
8. (15 pts) Draw a complete arrow pushing mechanism(s) for the reaction below. Please draw every arrow, every bond broken or formed, and the resulting regiochemistry and/or stereochemistry if there is any. 1. care N H I 2. H. OH i H H
I need help determining the reagents needed for these
reactions.
Part 5. Draw the mechanism. Draw the mechanism for each of the following reactions shown below. Be sure to show all steps in the reaction, the intermediates formed at each step, and use curved arrows to track the flow of electrons (20 pts) H2SO4 OH H6-3-sit GO Draw your mechanism below: 4 o Acid so ontsler deprotonation first step 12 000 BP2 + HBO Draw your mechanism below: +HBO, +H-Br
3. Draw a stepwise, detailed mechanism for the acid-catalyzed hydration reaction in question 2 above. Use curved arrows to indicate the flow of electrons. (Note: use hydronium ion, H307, in your mechanism to indicate "acidic water"). (6 pts) 4. Draw a stepwise, detailed mechanism for the reaction below. Use curved arrows to indicate the flow of electrons. (Hint: think of this reaction as a combination of addition of HX (step 1) and hydration (step 2)]. In the second step, an...
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Short Answer: (A) Draw all 3 steps of mechanism that gives the product 2-butene. You do not have to draw mechanisms for both products - just 2-butene (either cis or trans). Finally, clearly label each product below as the Hoffman or Zaitsev product. See Key Mechanism 7-5. ОН H2SO4 heat trans-2-butene 1-butene (C) Show ALL steps of the mechanism for the complete chlorination of 2 Cl2
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Draw the curved arrow mechanism for the reaction between (2S, 3S)-3 methythexan-2ol and PCI_3. Draw all electrons and charges on all structures Draw curved arrows below Draw both products that form from previous step and curved arrows for reaction between them; show all elections and charges.
4 and 5 PLEASE HELP
curved arrows to indicate electron movement for each step. Draw all the resonance structures of the sigma complex intermediate. 4. (6 pts) a) Draw the complete mechanism to account for the following reaction. Make sure to show OCH3 Ords CI AICI 5. (6 pts) Draw the step-by-step mechanism for the reaction below, using curved arrows to show the flow of electrons and draw any resonance intermediates. Br Bг NO2 HNO3 H2SO4