Hexasubstituted phenanthrene derivative

Synthesis of a hexasubstituted phenanthrene derivative from [4]dendralene is illustrated in Scheme 16.24 [25]. The poor yields observed in the cycloaddition steps might be due to the thermal instability of [4]dendralene and the initially formed cycloadduct. 

SCHEME 16.24 Synthesis of hexasubstituted phenanthrene derivative from [4]dendralene. 

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See also in sourсe #XX -- [ ]

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