(R,r)-2,7-二-叔丁基-9,9-二甲基-4,5-双(甲基苯膦)氧杂蒽合成路线 （共 2 条）
反应条件
1: 4,5-dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 1 h; 2: chloro-diphenylphosphine in tetrahydrofuran; hexane T=-78 - 25°C;
参考文献
Johns, Adam M.; Sakai, Norio; Ridder, Andre; Hartwig, John F.
Journal of the American Chemical Society, 2006 , vol. 128, # 29 p. 9306 - 9307
反应条件
1: With n-butyllithium in tetrahydrofuran T=-60°C; 2 h; 2: in toluene T=-60 - 20°C;
参考文献
Celanese GmbH
Patent: US6342605 B1, 2002 ;
Location in patent: Page column 6 ;
