These common heterocyclic compound, 28890-99-5, name is 5H-Benzo[d]benzo[4,5]imidazo[1,2-a]imidazole, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Product Details of 28890-99-5
500ml of four bottles,In the atmosphere of nitrogen gas,0.01 mol of 5H-benzimidazol [1,2-a] benzimidazole was added,0.05 mol (6-bromo-9-phenyl-9H-carbazol-3-yl) -di-dibenzofuran-4-yl-0.03 mol of sodium tert-butoxide,1 x 10-4 mol Pd2 (dba) 3,1 x 10-4 mol tri-tert-butylphosphine,250ml toluene,Heated to reflux for 24 hours,Sampling point plate, antiShould be completely, natural cooling, filtration, the filtrate steamed, silica gel column, get the target product,Purity 99.10, yield 36.00%.
The synthetic route of 5H-Benzo[d]benzo[4,5]imidazo[1,2-a]imidazole has been constantly updated, and we look forward to future research findings.
Reference:
Patent; Jiangsu Sanyue Photoelectric Technology Co., Ltd.; Li, Chong; Xu, Kai; Zhang, Zhaochao; Ye, Zhonghua; Wang, Lichun; (29 pag.)CN106467549; (2017); A;,
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