barriers, followed by isomerization (hydrogen shifts, ring closures), and termination via atomic hydrogen elimination accompanied by aromatization. All the barriers involved in the formation of 3H-cyclopenta[a]naphthalene, 1H-cyclopenta[b]naphthalene and 1H-cyclopenta[a]naphthalene are submerged with respect to the reactants indicating that the mechanisms are in fact barrierless, potentially forming PAHs via
三环多环
芳烃(PAHs)3 H-环戊[ a ]
萘(C 13 H 10),1 H-环戊[ b ]
萘(C 13 H 10)和1 H-环戊[ a ]
萘(C 13 H 10)及其基于
茚的双环异构体(E)-5-(but-1-en-3-yn-1-yl)-1 H-
茚,(E)-6-(but-1-en- 3-yn-1-yl)-1 H-
茚,5-(but-3-ene-1-yn-1-yl)-1 H -in-dene和6-(but-3-ene-1 -yn-1-yl)-1 H-
茚通过高温和
化学反应器中的“定向合成”,通过5-和6-
茚基(C 9 H 7)与
乙烯基乙炔(C 4 H 4)的反应,在1300±10 K的温度下进行。利用可调谐真空紫外光,通过记录质荷比m / z = 166(C 13 H 10)和167(13 CC 12 H 10)的光电离效率曲线,探查异构体分布)产品在超音速分子束中。潜在的反应机理包括最初形