with the titanium(III) reagent prepared in situ using the TiCl4/Et3N reagent system in dichloromethane at 25 °C. 1,2-Diarylacenaphthylene, 9,10-diarylphenanthrene and 9,10-diarylanthracene derivatives were obtained in good yields (61–92%) in short reaction times (5–30 min) from the corresponding diols with the titanium(III) reagent prepared in situ using the TiCl4/Et3N reagent system in dichloromethane
摘要 使用钛(III)试剂从相应的二醇中以较短的反应时间(5-30分钟)以良好的收率(61-92%)获得了1,2-二芳基萘,9,10-二芳基菲和9,10-二芳基蒽衍生物使用TiCl 4 / Et 3 N试剂系统在25°C的二氯甲烷中原位制备。 使用钛(III)试剂从相应的二醇中以较短的反应时间(5-30分钟)以良好的收率(61-92%)获得了1,2-二芳基萘,9,10-二芳基菲和9,10-二芳基蒽衍生物使用TiCl 4 / Et 3 N试剂系统在25°C的二氯甲烷中原位制备。
A Simple and Versatile Synthesis of 1,2-Diarylacenaphthylenes via Suzuki-Miyaura Coupling, and its Application in the Synthesis of a New Acenaphthylene-1,2-bis(<i>p</i>-quinone methide) Derivative
作者:Hiroyuki Kurata、Yuko Takehara、Sang Kim、Kanae Sakai、Kouzou Matsumoto、Takeshi Kawase、Masaji Oda
DOI:10.1055/s-2007-984897
日期:——
1,2-Diaryl-substituted acenaphthylene derivatives were prepared simply via Suzuki-Miyaura coupling in good or excellent yields. By applying this method, acenaphthylene-1,2-bis( P-quinone methide) with two 3,5-di- TERT-butyl-4-oxocyclohexadienylidene units, which is a stable deep purple crystalline substance with a very broad absorption in the whole visible region and relatively low -reduction potential