Organic Chemistry: Principles And Mechanisms (second Edition)
Organic Chemistry: Principles And Mechanisms (second Edition)
2nd Edition
ISBN: 9780393630749
Author: KARTY, Joel
Publisher: W. W. Norton & Company
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Chapter D, Problem D.4YT
Interpretation Introduction

(a)

Interpretation:

In the given figure every region of constructive interference and destructive interference between the HOMO and LUMO is to be labeled.

Concept introduction:

The HOMO-LUMO orbital interaction concept is used to know how the reacting species interact. The electron-rich species is HOMO while the electron-deficient species is LUMO; they determine substantial net overlap in the transition state. When these two orbitals overlap with the same phases, the constructive interference occurs and the reaction is likely to be allowed. When these two orbitals overlap with the opposite phases, the destructive interference occurs and the reaction is likely to be not allowed (or forbidden).

Interpretation Introduction

(b)

Interpretation:

In the given figure, every region of constructive interference and destructive interference between the HOMO and LUMO is to be labeled.

Concept introduction:

The HOMO-LUMO orbital interaction concept is used to know how the reacting species interact. The electron-rich species is HOMO while the electron-deficient species is LUMO; they determine substantial net overlap in the transition state. When these two orbitals overlap with the same phases, the constructive interference occurs and the reaction is likely to be allowed. When these two orbitals overlap with the opposite phases, the destructive interference occurs and the reaction is likely to be not allowed (or forbidden).

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When an unknown amine reacts with an unknown acid chloride, an amide with a molecular mass of 163 g/mol (M* = 163 m/z) is formed. In the infrared spectrum, important absorptions appear at 1661, 750 and 690 cm. The 13C NMR and DEPT spectra are provided. Draw the structure of the product as the resonance contributor lacking any formal charges. 13C NMR DEPT 90 200 160 120 80 40 0 200 160 120 80 40 0 DEPT 135 T 200 160 120 80 40 0 Draw the unknown amide. Select Dow Templates More Frage
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