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Title of article :
A family of fluorenyl dendrons for porphyrin dendrimers synthesis
Author/Authors :
Areej Merhi، نويسنده , , Samuel Drouet، نويسنده , , Nicolas Kerisit، نويسنده , , Christine O. Paul-Roth، نويسنده ,
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هفته نامه با شماره پیاپی سال 2012
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Abstract :
A series of dendrons bearing various number of fluorenyl donor groups have been synthesized. First, the reference compound 2-(bromomethyl)-9H-fluorene (8) with one fluorenyl unit, then dendron 10, with two fluorenyl arms, and finally new generation dendrons, 11 and 12, bearing four peripheral fluorenyl arms were synthesized and characterized. A series of different generations of porphyrin dendrimers, obtained from these dendrons are also presented. Preliminary results on higher generation dendrimers are reported as well. Under mild basic conditions, surprisingly, a new compound 1 incorporating a fluorenyl unit in the cycle and three pendant fluorenyl arms was obtained by an intramolecular reaction of brominated tetrapod dendron 12.
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