Generation of octamethylcuneane and octamethylcubane from syn-octamethyltricyclo[4.2.0.02,5]octa-3,7-diene
作者:Rolf Gleiter、Stefan Brand
DOI:10.1016/s0040-4039(00)73295-3
日期:1994.7
Irradiation of syn-octamethyltricyclo[4.2.0.02,5]octa-3,7-diene (4) at temperatures between 20°C and 30°C with high pressure mercury lamp (125W) in n-pentane yields as main product octamethylcuneane (6) and in traces octamethylcubane (5).
Generation of cyclobutadiene derivatives from 1-metallo-4-halobuta-1,3-diene derivatives
作者:Haruka Ubayama、Wen-Hua Sun、Tamotsu Takahashi、Zhenfeng Xi
DOI:10.1039/a805136d
日期:——
1-Zircona-4-halobuta-1,3-diene derivatives react in the presence of CuCl to produce cyclobutadiene derivatives which afford their dimers, or Diels–Alder adducts with dimethyl maleate or fumarate.