In part 1 of this treatment, 1 we described application of benzotriazole methodology to the synthesis of monocyclic heterocycles as well as preparative methods for basic benzotriazole derivatives used in this synthesis. In part 2, we are dealing with more complicated bicyclic
![1,1',1''-(2-phenylethane-1,1,1-triyl)tris(1H-benzo[d][1,2,3]triazole)结构式](https://image.chemsrc.com/caspic/304/130749-18-7.png)
![2,2,2-tris(1H-benzo[d][1,2,3]triazol-1-yl)-1-phenylethan-1-one结构式](https://image.chemsrc.com/caspic/266/130749-19-8.png)
![2,2,2-tris(1H-benzo[d][1,2,3]triazol-1-yl)-1-(p-tolyl)ethanone结构式](https://image.chemsrc.com/caspic/401/130749-20-1.png)
