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The Chemistry of Zirconacycles and 2,6-Diazasemibullvalenes: Synthesis, Structur

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Last updated on 01 Apr, 2024 23:30:49 AEDSTView all revisionsView all revisions

Item specifics

Condition
Brand new: A new, unread, unused book in perfect condition with no missing or damaged pages. See the ...
ISBN-13
9783662515143
Type
NA
Publication Name
NA
ISBN
9783662515143
Book Title
Chemistry of Zirconacycles And 2,6-Diazasemibullvalenes : Synthesis, Structures, Reactions, and Applications in the Synthesis of Novel N-Heterocycles
Item Length
9.2in
Publisher
Springer Berlin / Heidelberg
Publication Year
2016
Format
Trade Paperback
Language
English
Item Height
0.4in
Author
Shaoguang Zhang
Genre
Science
Topic
Physics / Crystallography, Chemistry / Physical & Theoretical, Chemistry / Organic, Chemistry / General
Item Width
6.1in
Item Weight
103.5 Oz
Number of Pages
Xi, 173 Pages

About this product

Product Information

In this thesis, the author introduces two strategies used to construct various types of N-heterocycles, based on the chemistry of zirconacycles and 2,6-diazasemibullvalenes. In the first part, the author presents the development of multi-component cyclization of a zirconacyclobutene-silacyclobutene fused compound, nitriles and unsaturated compounds. These reactions provide synthetically useful methodology for various N-heterocycles such as 3-acyl pyrrole, pyrrolo[3,2-d]pyridazine and dihydropyrroloazepine, which are all difficult to synthesize by other means. The isolation and characterization of the key three-fused-ring Zr/Si-containing intermediates are also described in detail. These results show that the zirconacyclobutene-silacyclobutene fused compound behaves as a "chemical transformer" upon treatment with various substrates via the "coordination-induced skeleton rearrangement" mechanism. In the second part, the author demonstrates the synthesis and isolation of a series of 2,6-diazasemibullvalenes (NSBVs) from the reaction of 1,4-dilithio-1,3-dienes and nitriles, highlighting the significant progress made for the first time in this work: (1) determination of X-ray crystal structure of a substituted 2,6-diazasemibullvalene; (2) measurement of the activation barrier of its rapid intramolecular aza-Cope rearrangement in solution; (3) exploration of several reaction types of NSBV with diverse ring-expansion products and "bowl-shape" or "cage-shape" N-containing polycyclic skeletons; (4) demonstration of the localized structure as the predominant form and the homoaromatic delocalized structure as a minor component in the equilibrium using theoretical analysis. Based on well-founded results, this work sheds new light on this controversial topic.

Product Identifiers

Publisher
Springer Berlin / Heidelberg
ISBN-10
3662515148
ISBN-13
9783662515143
eBay Product ID (ePID)
228928991

Product Key Features

Book Title
Chemistry of Zirconacycles And 2,6-Diazasemibullvalenes : Synthesis, Structures, Reactions, and Applications in the Synthesis of Novel N-Heterocycles
Author
Shaoguang Zhang
Format
Trade Paperback
Language
English
Topic
Physics / Crystallography, Chemistry / Physical & Theoretical, Chemistry / Organic, Chemistry / General
Publication Year
2016
Genre
Science
Number of Pages
Xi, 173 Pages

Dimensions

Item Length
9.2in
Item Height
0.4in
Item Width
6.1in
Item Weight
103.5 Oz

Additional Product Features

Number of Volumes
1 Vol.
Lc Classification Number
Qd410-412.5
Table of Content
Introduction to Zirconacycle Chemistry.- Zirconocene-Mediated Cyclization of Bis(alkynyl)silanes and Nitriles: Synthesis of N -Heterocycles and Isolation, Characterization and Synthetic Application of Zr/Si-containing Reactive Intermediates.- Bulky-Nitrile Coordination Induced Skeleton Rearrangement of Zr/Si-containing Metallacycles and Selective Synthesis of 5-Azaindoles.- Introduction to Semibullvalenes and Azasemibullvalenes.- 2,6-Diazasemibullvalenes: Synthesis, Structure, Theoretical Analysis and Computational Chemistry.- 2,6-Diazasemibullvalenes: Reaction Chemistry and Synthetic Application.
Copyright Date
2015
Intended Audience
Trade
Series
Springer Theses Ser.
Illustrated
Yes

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