Double helicenes: Diphenanthro[4,3-a; 3′,4′-o]picene and benzo[s]diphenanthro[4,3-a; 3′,4′-o]picene
作者:R.H. Martin、Ch. Eyndels、N. Defay
DOI:10.1016/s0040-4020(01)97510-6
日期:1974.1
The synthesis and NMR spectra of the title compounds are described. An X-ray diffraction study, carried out by Dr. J. D. Dunitz (ETH, Zurich), showed that the only product isolated from the photocyclisation of 6 has the dl configuration.
描述了标题化合物的合成和NMR谱。JD Dunitz博士(苏黎世联邦理工学院)进行的X射线衍射研究表明,从6的光环化中分离出的唯一产物具有dl构型。