Synthetic approaches to 6H-9-methoxy-5, 11-dimethylpyrido [4, 3-b] fluorene are described, thus 2-[1-(4-pyridyl) ethyl] 6-methoxyindanone has been reacted with vinylmagnesium bromide to yield 2-[1-(4-pyridyl) ethyl]-6 methoxy-1-vinyl-1-indanol. However, on dehydration this compound rearranges to 2-[1-(4-pyridyl) ethyl]-3-ethylidene-5- methoxyindene rather than the required isomer 3-ethylidine-2-[1-(4-pyridyl) ethyl]-5- ...
![2-bromo-4-[(2,5-dimethylphenyl)methyl]phenol结构式](https://image.chemsrc.com/caspic/498/89651-84-3.png)
![2-bromo-4-[(2,5-dimethylphenyl)methyl]-1-methoxybenzene结构式](https://image.chemsrc.com/caspic/460/89651-85-4.png)
![6-methoxy-2-[1-methyl-1-(4-pyridyl)methylene]indanone结构式](https://image.chemsrc.com/caspic/137/344447-05-8.png)
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