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Asteranes are members of a series of cage … Asteranes are members of a series of cage hydrocarbons consisting of two cycloalkane rings linked to each other by methylene groups. Each linking face is thus a cyclohexane, which has a boat conformation. They can be considered as homologues of the prismanes, but with a carbon linker between the faces rather than direct bonding. The molecules having triangular and square bases, [3]asterane and [4]asterane, have been synthesized and studied experimentally, and many higher members of the series have been studied using computer models. Modeling experiments predict that the highly symmetric geometry is no longer stable starting with [8]asterane.o longer stable starting with [8]asterane.
, Asterane (von altgriechisch ἀστήρ astēr un … Asterane (von altgriechisch ἀστήρ astēr und lateinisch astrum für „Stern“) sind eine Gruppe polycyclischer Kohlenwasserstoffe mit einer sternartigen Käfigstruktur. Diese Verbindungen leiten sich von Cyclohexan-Ringen ab, die in der Bootkonformation an „Bug“ und „Heck“ miteinander verknüpft sind. Die gegenüber der Sesselkonformation energiereichere und damit instabilere Bootkonformation wird dadurch fixiert.
* Sesselkonformation
* Bootkonformation Die Bezeichnung Asterane wurde 1965 von Hans Musso geprägt, dessen Arbeitsgruppe sich in den Folgejahren mit der Synthese verschiedener Vertreter dieser Kohlenwasserstoffe beschäftigte.er dieser Kohlenwasserstoffe beschäftigte.
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Asteranes are members of a series of cage … Asteranes are members of a series of cage hydrocarbons consisting of two cycloalkane rings linked to each other by methylene groups. Each linking face is thus a cyclohexane, which has a boat conformation. They can be considered as homologues of the prismanes, but with a carbon linker between the faces rather than direct bonding. The molecules having triangular and square bases, [3]asterane and [4]asterane, have been synthesized and studied experimentally, and many higher members of the series have been studied using computer models. Modeling experiments predict that the highly symmetric geometry is no longer stable starting with [8]asterane.o longer stable starting with [8]asterane.
, Asterane (von altgriechisch ἀστήρ astēr un … Asterane (von altgriechisch ἀστήρ astēr und lateinisch astrum für „Stern“) sind eine Gruppe polycyclischer Kohlenwasserstoffe mit einer sternartigen Käfigstruktur. Diese Verbindungen leiten sich von Cyclohexan-Ringen ab, die in der Bootkonformation an „Bug“ und „Heck“ miteinander verknüpft sind. Die gegenüber der Sesselkonformation energiereichere und damit instabilere Bootkonformation wird dadurch fixiert.
* Sesselkonformation
* Bootkonformation
* Sesselkonformation
* Bootkonformation
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Asterane
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