Draw a complete arrow pushing mechanism for each of the following transformations (includingany intermediates). For structures that have resonance, draw only the major resonance contributor.Make sure any charges drawn are stable enough to be present.(a) This transformation involves 2 steps.CIpmPhH3C-LiH3CPh(b) This transformation involves 1 step.HOOH3CO. OOtBuBrOHHOOCH 3-OtBu12212

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Answered: Draw a complete arrow pushing mechanism…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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(!!!) Propose a mechanism for the following transformation (Hint: first step is the protonation of alker H2SO4
2) reaction sequences to carry out those transformations. Draw the expected product of each step proposed. Substantial partial credit can be obtained for incomplete or incorrect answers. You may present your solutions on the following blank page if you need the the following reaction transformations, and propose room. H3C CH, H3C CH3 of HN- -NH HO,C Co,H но H,C CH3 CEN OCH3 OCH3
Draw a detailed, step-wise mechanism for the reaction shown below. SHOW ALL BOND-FORMING AND BOND-BREAKING STEPS. SHOW ALL INTERMEDIATES. 1) NaOH 2) H3O* H3C H3C HO
4. The rearrangement reaction shown below was discovered in 1860. (a) Draw a mechanism for this transformation. Draw in lone pairs, use curved arrows to show movement of electrons, and indicate the formal charge on all charged atoms. (b) Explain why this rearrangement occurs. (Hint: What type of intermediate forms?) но он H2SO4 (conc.) Heat (c) The same type of reaction was used to accomplish the transformation below. Draw the mechanism for this transformation as well. OH H2SO4, heat но
4
Fraw the lower and higher molecular weight
Draw a plausible mechanism for the formation of phenol shown below. Provide explanations for each step in the mechanism. (HINT: The mechanism involves electrocyclic reactions, NOT sigmatropic rearrangements.) HOʻ
Complete the reaction scheme below. Show all reagents and intermediates. No reaction is a possible answer. 1) CH3CH2M9B CH3OH H+ (ехcess) но 2) H30*, H2O B A OCH3
Provide a mechanism including relevant resonance forms, intermediates, reaction arrows, and curved arrows showing electron flow.
When the ketone shown below is treated with LDA, followed by CH3I, the product shown is isolated from the reaction mixture. 1) LDA LDA 2) CH,I Propose a curved-arrow mechanism for this reaction. Use curved arrows to show movement of electron pairs, and draw structures for all important reaction intermediates. If an intermediate is a resonance hybrid, it is only necessary to draw the MOST IMPORTANT contributing resonance structure. Be sure to show all lone pairs and nonzero formal charges. For reference, the structure of LDA is shown next to the overall transformation.
Mechanism 2. Provide the complete mechanism for the reactions below. You must include appropriate arrows, intermediates, and formal charges. The ChemDraw template of this document is available on Carmen. OH H2SO4 (cat) THF OH
Complete the following reactions by providing the missing product(s). Determine what mechanism operates in each case (SN1, Sn2, E1, or E2), Show the stereochemistry of the product(s) where appropriate. If more than one product us formed circle the major one. Br H,O Br NaOCH;CH;

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