Kniha Iminopropadienones Majed Shtaiwi

Iminopropadienones

The thermal generation and chemistry of Iminopropadienone

Autor: Majed Shtaiwi
Jazyk: Angličtina
Vazba: Brožovaná
Dostupnost: U nakladatele na objednávku
Odesíláme za 17-27 dnů
1 876
This book describes the thermal fragmentation of heterocycles to give extended cumulenes called imin...

Informace o knize

Jazyk
Angličtina
Vazba
Kniha - Brožovaná
Vydáno
2012
Stránek
236
EAN
9783848405251
Enbook ID
07090442
Hmotnost
368
Rozměry
150 x 220 x 14

Kompletní popis

This book describes the thermal fragmentation of heterocycles to give extended cumulenes called iminopropadienones, observed by infrared spectroscopy at 8 K and trapped by preparative flash vacuum pyrolysis (FVP). Chapter 1 describes the generation of iminopropadienones from Meldrum's acid derivatives. Chapter 2 describes the generation of 2,6-diflourophenyl iminopropadienone from 3- (2,6-difluorophenyl)isoxazolo[5,4-d]pyrimidine-4(5H)-one and a comparison with the generation of the same iminopropadienone from the Meldrum's acid derivative. Chapter 3 pyridopyrimidinones and a novel mesoionic compound (pyridopyrimidin-l-ium-2-olate) were used as precursors to generate iminopropadienones through flash vacuum pyrolysis. In Chapter 4, X-ray crystallography as well as theoretical calculations are used to investigate the unusual structural characteristics of Meldrum's acid derivatives used as precursors of iminopropadienones. These molecules were found to have zwitterionic and non-planar structures.

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