Undecane

Stoffgruppe From Wikipedia, the free encyclopedia

Die Undecane bilden eine Stoffgruppe aus der Gruppe der Alkane. Namensgeber ist der lineare Vertreter Undecan. Die Undecane umfassen theoretisch 159 konstitutionsisomere bzw. 345 konstitutions- und konfigurationsisomere Verbindungen mit der Summenformel C11H24.[1][2] In öffentlich verfügbaren Datenbanken werden (Stand März 2024) zwischen 62 und 177 tatsächlich bekannte Isomere geführt.[3][4]

Strukturformel von 2,2,3,3,4,4,-Hexamethylpentan, einem Isomer von Undecan
Strukturformel von 2,2,3,3,4,4,-Hexamethylpentan, einem Isomer von Undecan

Verwendung

Die Isomere des Undecans finden in der Trennung von Alkylphenolen mittels Azeotroprektifikation Verwendung, bei der die Isomere als Schleppmittel benutzt werden.[5]

Konstitutionsisomere

Die folgende Tabelle gibt einen Überblick über alle theoretisch möglichen konstitutionsisomeren Undecane, gruppiert nach Anzahl der Kohlenstoffatome in der Hauptkette bzw. nach den Substituenten:

Weitere Informationen Substituenten, Anzahl der C-Atome in der Hauptkette ...
Substituenten Anzahl der C-Atome in der Hauptkette
111098765
--- n-Undecan
Methyl

2-Methyldecan
3-Methyldecan
4-Methyldecan
5-Methyldecan

2,2-Dimethylnonan
2,3-Dimethylnonan
2,4-Dimethylnonan
2,5-Dimethylnonan
2,6-Dimethylnonan
2,7-Dimethylnonan
2,8-Dimethylnonan
3,3-Dimethylnonan
3,4-Dimethylnonan
3,5-Dimethylnonan
3,6-Dimethylnonan
3,7-Dimethylnonan
4,4-Dimethylnonan
4,5-Dimethylnonan
4,6-Dimethylnonan
5,5-Dimethylnonan

2,2,3-Trimethyloctan
2,2,4-Trimethyloctan
2,2,5-Trimethyloctan
2,2,6-Trimethyloctan
2,2,7-Trimethyloctan
2,3,3-Trimethyloctan
2,3,4-Trimethyloctan
2,3,5-Trimethyloctan
2,3,6-Trimethyloctan
2,3,7-Trimethyloctan
2,4,4-Trimethyloctan
2,4,5-Trimethyloctan
2,4,6-Trimethyloctan
2,4,7-Trimethyloctan
2,5,5-Trimethyloctan
2,5,6-Trimethyloctan
2,6,6-Trimethyloctan
3,3,4-Trimethyloctan
3,3,5-Trimethyloctan
3,3,6-Trimethyloctan
3,4,4-Trimethyloctan
3,4,5-Trimethyloctan
3,4,6-Trimethyloctan
3,5,5-Trimethyloctan
4,4,5-Trimethyloctan

2,2,3,3-Tetramethylheptan
2,2,3,4-Tetramethylheptan
2,2,3,5-Tetramethylheptan
2,2,3,6-Tetramethylheptan
2,2,4,4-Tetramethylheptan
2,2,4,5-Tetramethylheptan
2,2,4,6-Tetramethylheptan
2,2,5,5-Tetramethylheptan
2,2,5,6-Tetramethylheptan
2,2,6,6-Tetramethylheptan
2,3,3,4-Tetramethylheptan
2,3,3,5-Tetramethylheptan
2,3,3,6-Tetramethylheptan
2,3,4,4-Tetramethylheptan
2,3,4,5-Tetramethylheptan
2,3,4,6-Tetramethylheptan
2,3,5,5-Tetramethylheptan
2,3,5,6-Tetramethylheptan
2,4,4,5-Tetramethylheptan
2,4,4,6-Tetramethylheptan
2,4,5,5-Tetramethylheptan
3,3,4,4-Tetramethylheptan
3,3,4,5-Tetramethylheptan
3,3,5,5-Tetramethylheptan
3,4,4,5-Tetramethylheptan

2,2,3,3,4-Pentamethylhexan
2,2,3,3,5-Pentamethylhexan
2,2,3,4,4-Pentamethylhexan
2,2,3,4,5-Pentamethylhexan
2,2,3,5,5-Pentamethylhexan
2,2,4,4,5-Pentamethylhexan
2,3,3,4,4-Pentamethylhexan
2,3,3,4,5-Pentamethylhexan

2,2,3,3,4,4-Hexamethylpentan

Ethyl

3-Ethylnonan
4-Ethylnonan
5-Ethylnonan

3,3-Diethylheptan
3,4-Diethylheptan
3,5-Diethylheptan
4,4-Diethylheptan

Ethyl
und
Methyl

3-Ethyl-2-methyloctan
3-Ethyl-3-methyloctan
3-Ethyl-4-methyloctan
3-Ethyl-5-methyloctan
3-Ethyl-6-methyloctan
4-Ethyl-2-methyloctan
4-Ethyl-3-methyloctan
4-Ethyl-4-methyloctan
4-Ethyl-5-methyloctan
5-Ethyl-2-methyloctan
5-Ethyl-3-methyloctan
6-Ethyl-2-methyloctan

3-Ethyl-2,2-dimethylheptan
3-Ethyl-2,3-dimethylheptan
3-Ethyl-2,4-dimethylheptan
3-Ethyl-2,5-dimethylheptan
3-Ethyl-2,6-dimethylheptan
3-Ethyl-3,4-dimethylheptan
3-Ethyl-3,5-dimethylheptan
3-Ethyl-4,4-dimethylheptan
3-Ethyl-4,5-dimethylheptan
4-Ethyl-2,2-dimethylheptan
4-Ethyl-2,3-dimethylheptan
4-Ethyl-2,4-dimethylheptan
4-Ethyl-2,5-dimethylheptan
4-Ethyl-2,6-dimethylheptan
4-Ethyl-3,3-dimethylheptan
4-Ethyl-3,4-dimethylheptan
4-Ethyl-3,5-dimethylheptan
5-Ethyl-2,2-dimethylheptan
5-Ethyl-2,3-dimethylheptan
5-Ethyl-2,4-dimethylheptan
5-Ethyl-2,5-dimethylheptan
5-Ethyl-3,3-dimethylheptan

3-Ethyl-2,2,3-trimethylhexan
3-Ethyl-2,2,4-trimethylhexan
3-Ethyl-2,2,5-trimethylhexan
3-Ethyl-2,3,4-trimethylhexan
3-Ethyl-2,3,5-trimethylhexan
3-Ethyl-2,4,4-trimethylhexan
3-Ethyl-2,4,5-trimethylhexan
3-Ethyl-3,4,4-trimethylhexan
4-Ethyl-2,2,3-trimethylhexan
4-Ethyl-2,2,4-trimethylhexan
4-Ethyl-2,2,5-trimethylhexan
4-Ethyl-2,3,3-trimethylhexan
4-Ethyl-2,3,4-trimethylhexan
3,3-Diethyl-2-methylhexan
3,3-Diethyl-4-methylhexan
3,4-Diethyl-2-methylhexan
3,4-Diethyl-3-methylhexan
4,4-Diethyl-2-methylhexan

3-Ethyl-2,2,3,4-tetramethylpentan
3-Ethyl-2,2,4,4-tetramethylpentan
3,3-Diethyl-2,2-dimethylpentan
3,3-Diethyl-2,4-dimethylpentan

Propyl 4-Propyloctan
1-Methylethyl
(=Isopropyl)
4-(1-Methylethyl)octan
Methyl
und
1-Methylethyl
(=Isopropyl)

2-Methyl-3-(1-methylethyl)heptan
2-Methyl-4-(1-methylethyl)heptan
3-Methyl-4-(1-methylethyl)heptan
4-Methyl-4-(1-methylethyl)heptan

2,2-Dimethyl-3-(1-methylethyl)hexan
2,3-Dimethyl-3-(1-methylethyl)hexan
2,4-Dimethyl-3-(1-methylethyl)hexan
2,5-Dimethyl-3-(1-methylethyl)hexan

2,2,4-Trimethyl-3-(1-methylethyl)pentan
2,3,4-Trimethyl-3-(1-methylethyl)pentan

Methyl
und
Propyl

2-Methyl-4-propylheptan
3-Methyl-4-propylheptan
4-Methyl-4-propylheptan

Butyl 4-tert-Butylheptan
Schließen

Einzelnachweise

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