Organic Chemistry
2nd Edition
ISBN: 9781118452288
Author: David R. Klein
Publisher: WILEY
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Question
Chapter 6, Problem 43PP
Interpretation Introduction
Interpretation:
The curved arrow pattern should be drawn for the given mechanism.
Concept introduction:
Quinoxaline synthesis: Quinoxaline is one of the nitrogen based heterocyclic compounds. It is synthesized by treating with 1, 2-diketone and o-phenylenediamine in the presence of water (hydronium ion).
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2. Histamine (below structure) is a signal molecule involved in immune response and is
a neurotransmitter. Histamine features imidazole ring which is an aromatic heterocycle.
Please answer the following questions regarding Histamine.
b
a
HN
=N
C
NH2
a. Determine hybridization of each N atom (s, p, sp, sp², sp³, etc.) in histamine
N-a hybridization:
N-b hybridization:
N-c hybridization:
b. Determine what atomic orbitals (s, p, sp, sp², sp³, etc.) of the lone pair of each N
atom resided in
N-a hybridization:
N-b hybridization:
N-c hybridization:
None
29. Use frontier orbital analysis (HOMO-LUMO interactions) to decide whether the following
dimerization is 1) thermally allowed or forbidden and 2) photochemically allowed or
forbidden.
+
Chapter 6 Solutions
Organic Chemistry
Ch. 6.1 - Prob. 1LTSCh. 6.1 - Prob. 1PTSCh. 6.1 - Prob. 2ATSCh. 6.2 - Prob. 3CCCh. 6.3 - Prob. 4CCCh. 6.3 - Prob. 5CCCh. 6.4 - Prob. 6CCCh. 6.6 - Prob. 7CCCh. 6.7 - Prob. 2LTSCh. 6.7 - Prob. 8PTS
Ch. 6.7 - Prob. 9PTSCh. 6.7 - Prob. 10ATSCh. 6.7 - Prob. 11ATSCh. 6.8 - Prob. 3LTSCh. 6.8 - Prob. 12PTSCh. 6.8 - Prob. 13ATSCh. 6.9 - Prob. 4LTSCh. 6.9 - Prob. 14PTSCh. 6.9 - Prob. 15ATSCh. 6.10 - Prob. 5LTSCh. 6.10 - Prob. 16PTSCh. 6.10 - Prob. 17ATSCh. 6.11 - Prob. 6LTSCh. 6.11 - Prob. 18PTSCh. 6.11 - Prob. 19PTSCh. 6 - Prob. 20PPCh. 6 - Prob. 21PPCh. 6 - Prob. 25PPCh. 6 - Prob. 26PPCh. 6 - Prob. 27PPCh. 6 - Prob. 28PPCh. 6 - Prob. 29PPCh. 6 - Prob. 30PPCh. 6 - Prob. 31PPCh. 6 - Prob. 32PPCh. 6 - Prob. 33PPCh. 6 - Prob. 34PPCh. 6 - Prob. 35PPCh. 6 - Prob. 36PPCh. 6 - Prob. 37PPCh. 6 - Prob. 38PPCh. 6 - Prob. 39PPCh. 6 - Prob. 40PPCh. 6 - Prob. 41PPCh. 6 - Prob. 42PPCh. 6 - Prob. 43PPCh. 6 - Prob. 44PPCh. 6 - Prob. 45PPCh. 6 - Prob. 46PPCh. 6 - Prob. 47PPCh. 6 - Prob. 48PPCh. 6 - Prob. 49IPCh. 6 - Prob. 50IPCh. 6 - Prob. 51IPCh. 6 - Prob. 52IPCh. 6 - Prob. 53IPCh. 6 - Prob. 54IP
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