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A staffane or [n]staffane is an organic compound, a polycyclic hydrocarbon with molecular structure H-[-C≡(-CH2-)3≡C-]n-H, for some integer n ≥ 1. The chemical formula is therefore C5nH6n+2 Staffanes were first obtained in 1988 by and , by spontaneous polymerization of [1.1.1]-propellane C5H6 or C2(=CH2)3. In the reaction, the axial C-C bond of the propellane (the "bridge") is broken, creating a free bond on each of the two axial carbons (the "bridgeheads"). The resulting structural unit [-C≡(-CH2-)3≡C-] is a rigid cage, consisting of two carbon atoms joined by three methylene bridges; therefore the joined units are constrained to lie on a straight line. This feature has generated substantial interest among nanotechnology researchers, who have considered staffane oligomers as convenient "

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  • スタファン (ja)
  • Staffane (en)
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  • スタファン(Staffane)は、H-[C≡(-CH2-)3≡C-]nHの分子構造を持つ炭化水素の有機化合物である。従って、化学式はC5nH6n+2となる。 スタファンは、1988年に、P. KazynskiとJ. Michlによって、[1.1.1]プロペラン（C5H6またはC2(=CH2)3）の自発的な重合反応によって初めて得られた。軸となるプロペランのC-C結合は解離し、2つの軸の炭素と新しい結合を形成する。その結果生じる構造[-C≡(-CH2-)3≡C-]は堅固で、2つの炭素原子が3つのメタンジイル基で結合した構造を持つ。従って、構造単位は直鎖状になる。この特性から、スタファンのオリゴマーを用いてナノ構造体の作成が考えられ、ナノテクノロジーの分野においても興味を持たれている。 n個の単量体で構成されるスタファンのオリゴマーを、[n]スタファンと呼ぶ。 (ja)
  • A staffane or [n]staffane is an organic compound, a polycyclic hydrocarbon with molecular structure H-[-C≡(-CH2-)3≡C-]n-H, for some integer n ≥ 1. The chemical formula is therefore C5nH6n+2 Staffanes were first obtained in 1988 by and , by spontaneous polymerization of [1.1.1]-propellane C5H6 or C2(=CH2)3. In the reaction, the axial C-C bond of the propellane (the "bridge") is broken, creating a free bond on each of the two axial carbons (the "bridgeheads"). The resulting structural unit [-C≡(-CH2-)3≡C-] is a rigid cage, consisting of two carbon atoms joined by three methylene bridges; therefore the joined units are constrained to lie on a straight line. This feature has generated substantial interest among nanotechnology researchers, who have considered staffane oligomers as convenient " (en)
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  • A staffane or [n]staffane is an organic compound, a polycyclic hydrocarbon with molecular structure H-[-C≡(-CH2-)3≡C-]n-H, for some integer n ≥ 1. The chemical formula is therefore C5nH6n+2 Staffanes were first obtained in 1988 by and , by spontaneous polymerization of [1.1.1]-propellane C5H6 or C2(=CH2)3. In the reaction, the axial C-C bond of the propellane (the "bridge") is broken, creating a free bond on each of the two axial carbons (the "bridgeheads"). The resulting structural unit [-C≡(-CH2-)3≡C-] is a rigid cage, consisting of two carbon atoms joined by three methylene bridges; therefore the joined units are constrained to lie on a straight line. This feature has generated substantial interest among nanotechnology researchers, who have considered staffane oligomers as convenient "rigid rods" for building all sorts of nanostructures. An oligomer with a specific number n of units is denoted by [n]staffane (e.g., [1]staffane, [2]staffane, etc..) The notation [n]staffane is used when the number of units is variable or unspecified; in this case the "n" in the brackets is not a variable, but the letter "n", considered part of the name. (en)
  • スタファン(Staffane)は、H-[C≡(-CH2-)3≡C-]nHの分子構造を持つ炭化水素の有機化合物である。従って、化学式はC5nH6n+2となる。 スタファンは、1988年に、P. KazynskiとJ. Michlによって、[1.1.1]プロペラン（C5H6またはC2(=CH2)3）の自発的な重合反応によって初めて得られた。軸となるプロペランのC-C結合は解離し、2つの軸の炭素と新しい結合を形成する。その結果生じる構造[-C≡(-CH2-)3≡C-]は堅固で、2つの炭素原子が3つのメタンジイル基で結合した構造を持つ。従って、構造単位は直鎖状になる。この特性から、スタファンのオリゴマーを用いてナノ構造体の作成が考えられ、ナノテクノロジーの分野においても興味を持たれている。 n個の単量体で構成されるスタファンのオリゴマーを、[n]スタファンと呼ぶ。 (ja)
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