Photochemical intramolecular [2 + 2] cycloaddition of 5-(1- and 2-naphthylmethyl)-3-phenylcyclopent-2-enones
作者:Michael T. M. Clements、T. Brian H. McMurry
DOI:10.1039/c39860001104
日期:——
Photolysis of 5-(1- and 2-naphthylmethyl)-3-phenylcyclopent-2-enones affords [2 + 2] cycloaddtion products, the 7,8- and 5,6-benzo-fused 10-phenyltetracyclo[7.2.1.03,10.04,9]dodec-5- and -7-en-2-ones respectively, in a mixture with the starting enones; the photoproducts revert to the respective enones on acid treatment, or pyrolysis, and to the photostationary-state mixture on photolysis.
5-(1-和2-萘甲基)-3-苯基环戊-2-烯酮的光解可提供[2 + 2]环加成产物,即7,8-和5,6-苯并稠合的10-苯基四环[7.2.1.0 3 ,10 0.0 4,9 ]十二碳-5-和-7烯-2-酮分别在与起始烯酮的混合物; 在酸处理或热解过程中,光产物还原为相应的烯酮;在光解过程中,光产物转化为光固定态混合物。