<正>Two novel C-nor-B-homo aconane-type diterpenes 4 and 5,featuring a unique eight-membered ring system,were obtained by the treatment of C-nor-C_(19)-diterpen
The synthesis and phosphorescence properties of two novel Ir(Ⅲ)complexes bearing tert-butyl substituents,bis(4-tert-butyl-2- phenylbenzothiozolato-N,C<sup>2′</s