Each bold, capital Roman letter symbol represents one or more fundamental mechanistic steps or complex mechanisms (Handout 4B2). Name the fundamental mechanistic step(s) or complex mechanism(s) illustrated in each reaction. Explain your choice in words using the terminology we learned in lecture. A N CH3 C :NEQ: RNH₂ H3C A OH H3C H D н O: Н B N N=' ОН OH H3C + Н V=0 CH3 RNH₂ бон ОН

Each bold, capital Roman letter symbol represents one or more fundamental mechanistic steps or complex mechanisms (Handout 4B2). Name the fundamental mechanistic step(s) or complex mechanism(s) illustrated in each reaction. Explain your choice in words using the terminology we learned in lecture. A N CH3 C :NEQ: RNH₂ H3C A OH H3C H D н O: Н B N N=' ОН OH H3C + Н V=0 CH3 RNH₂ бон ОН

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter14: Elimination

Section: Chapter Questions

Problem 20E

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} B с Each bold, capital Roman letter symbol represents one or more fundamental mechanistic steps or complex mechanisms (Handout 4B2). Name the fundamental mechanistic step(s) or complex mechanism(s) illustrated in each reaction. Explain your choice in words using the terminology we learned in lecture. D CH3 C NEO: A RNH₂ H3CN ON. H₂C N=O D HH B N=N₁ OH H₂C OH + CH3 RNH₂ O OOH
For which reaction mechanisms—SN1, SN2, E1, or E2—of thefollowing statement true? A statement may be true for one or moremechanisms. The reaction rate increases when the solvent is changed from CH3OHto (CH3)2SO.
Q2/ Write a suitable mechanism in full details for the following reactions. NH, NH2 I2. NaHCO, 1- 2- Ar- NO, + 6HCI + 38n- - Ar-NH,+ 2H,0 + 3SnC, 3- CH. HNO, Ph-NO2 4. H,SO, (0- s)°c 4- a- Ph-NH, + NANO, +HCI - Ph-N2CI + 2H,0 +NaC! HO он (10%) NaOH b- Ph-NCI Ph-N N- +HCI
Consider the following overall reaction that uses liquid acetone (CH;COCH3) as a reactant to produce a compound with two different functional groups. The reaction follows this mechanism: 2 f.,,.e f.....f .. + H2O (1) + :OH 6.. :OH མེན་གྱིས་ འབུ་ ིམ་མི་ ོ་ ེ་ ི་ ་ :OH What is true for the first step in the this mechanism? O AH > o ( Endothermic) AH o ( Exothermic)
7. Condensation Polymers oliya + CI + H₂N. NH₂ H₂SO4 + n + nHCI n HCI For the second reaction above, show the full mechanism for one addition of the two monomers (3 steps).
Use the dropdown menu to assign the expected mechanism for each reaction (I-III). Select 'NA' if none of the choices are correct. OH Óso,CH3 Ph Br HBr II ÓH Ph 1. NaN3, DMF `N3 III 2. H2о ОН I: choose your answer. II: choose your answer. III: choose your answer...
[References] Use the References to access important values if needed for this question. A mechanism that has been proposed for the conversion of 2-methylpropene to tert-butyl alcohol in acidic aqueous solution is: step 1 slow: (CH3)2C=CH2 + H+ → (CH3)3C+ step 2 fast: (CH3)3C+ + H20 → (CH3)3COH + H+ (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank: (3) Which species acts as a reaction intermediate? Enter formula. If none, leave box blank: (4) Complete the rate law for the overall reaction that is consistent with this mechanism. (Use the form k[A]m[B]n... , where '1' is understood (so don't write it) for m,n etc.) Rate = Submit Answer Try Another Version 3 item attempts remaining
Consider the following elimination reaction. CH3 H CH3 CH3 slow Cl step (-CH) CH3 CH2 Base c=CH2 E1 -(H-Base) + CH3 CH3 CH3 The experimental data obtained clearly displayed that the reaction exhibited first order kinetics, and therefore was determined to follow a unimolecular elimination (E1) reaction pathway. Draw a fully labelled energy profile diagram that clearly shows each step in the reaction. Assume the reaction is an exothermic reaction. Page 4 of 5
The overall reactants in Equation 8-3 are R and ucts are Nu-R and L. The carbocation (R*) that appears in the reaction mecha- nism (Equation 8-2) is the only intermediate. In the S1 mechanism shown here, (a) identify each species as an overall reactant, overall product, or intermediate, then (b) sum the steps to yield the overall reaction. :Br: + Br: 11 :I: + One reason to distinguish intermediates from overall reactants and products is to know which species in the mechanism can be isolated. W 2:47 AM K 61°F Clear 10/21/2021
3) Fill in the red box(es) with the missing reactant(s), reagent(s), product(s), solvent, and/or conditions and write a reasonable mechanism for the reaction. Not every box needs to be used and not every box necessarily corresponds to only a single species. If no reaction occurs OR no reagents exist to perform the reaction state, “NOT POSSIBLE” AND explain why. HO OH dil. H₂SO4
Chemistry Section II. Structure and Mechanism 1. a. Sometimes "Polyene" cyclization reactions can be catalyzed by a transition m etal. Provide a mechanism for th below. Pd°Ln Me Me MECN, Et,N Me Me
CH3 || CH3 H₂O H2SO4 CH3CHCH2CH2C—ОCH₂CH₂CHCH3 a. Draw the structure of the tetrahedral intermediate INITIALLY-FORMED in the reaction shown. • • • You do not have to consider stereochemistry. Do not include counter-ions, e.g., Na+, I, in your answer. In cases where there is more than one answer, just draw one. √n [ ChemDoodle Ⓡ b. Draw the structures of the organic products of the acyl transfer reaction. • You do not have to consider stereochemistry. Draw the neutral form of the products; no charges. Draw one structure per sketcher. Add additional