H Ph 1. HO A NaOH Ph Br DMSO / H20 2. N-Br ...HO. N-H a = Proton transfer d = Radical chain addition g = E2 Elimination b = Lewis acid/base e = Electrophilic addition h = SN1 Nucleophilic substitution %3D %3D c = Radical chain substitution f=E1 Elimination i = SN2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. 2.
H Ph 1. HO A NaOH Ph Br DMSO / H20 2. N-Br ...HO. N-H a = Proton transfer d = Radical chain addition g = E2 Elimination b = Lewis acid/base e = Electrophilic addition h = SN1 Nucleophilic substitution %3D %3D c = Radical chain substitution f=E1 Elimination i = SN2 Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. 2.
Chemistry
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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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Transcribed Image Text:### Chemical Reaction Mechanism Identification
#### Reaction 1:
**Reactants:**
- A molecule with a phenyl group (-Ph), chlorine (-Cl), and a hydrogen substituted on a carbon, reacting with sodium hydroxide (NaOH).
**Products:**
- A phenyl group attached to a cyclopropenone.
#### Reaction 2:
**Reactants:**
- A cyclohexanone reacting with an N-bromo compound in the presence of DMSO (Dimethyl sulfoxide) and water (H<sub>2</sub>O).
**Products:**
- A brominated cyclopentanone and an imidic product.
**Mechanisms:**
a) Proton transfer
b) Lewis acid/base
c) Radical chain substitution
d) Radical chain addition
e) Electrophilic addition
f) E1 Elimination
g) E2 Elimination
h) S<sub>N1</sub> Nucleophilic substitution
i) S<sub>N2</sub> Nucleophilic substitution
#### Instructions:
Identify the mechanism by which each of the reactions proceeds from among the mechanisms listed. Use the letters a - i for your answers.
1. **_____**
2. **_____**
**Graph/Diagram Description:**
- The diagrams consist of molecular structures of reactants and products. In reaction 1, there is a structural transformation from a phenyl-substituted molecule with a chlorine substituent to a phenylcyclopropenone.
- In reaction 2, the reactants include a cyclohexanone and a brominated amide. The product formation includes a creation of a brominated cyclopentanone with an imidic compound.
**Note:**
Understanding and identifying the correct mechanism for each reaction is essential for grasping organic chemistry reaction pathways and the principles governing chemical reactivity and product formation.
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