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Synthesis and Characterization of Star-Shaped Porphyrin-Cored Poly(L-lactide)

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Abstract:

Star-shaped porphyrin-cored poly(L-lactide) (SPPLLA) was synthesized using a tetra-hydroxyethyl terminated porphyrin as a core initiator and 4-(Dimethylamino)pyridine (DMAP) as a catalyst in THF at 50 °C. The molecular weight of as-synthesized polymer were measured by GPC and 1HNMR. It was found that the molecular weight of SPPLLA could be adjusted linearly by controlling the molar ratio of L-lactide to porphyrin core initiator, and the molecular weight distribution was reasonably narrow. Furthermore, SPPLLA polymers showed similar UV-vis spectra compared with porphyrin core initiator. Consequently, this will provide potentially porphyrin-cored poly(L-lactide) for photodynamic therapy.

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Advanced Materials, CEAM 2011 View Preview

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

1703-1706

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.1703

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Online since:

May 2011

Authors:

Xiao Hui Dai, Wei Liu, Ya Fei Huang, Chang Ming Dong

Keywords:

Fluorescent Property, Photodynamic Therapy, Porphyrin-Cored Poly(l-Lactide), Ring-Opening Polymerization

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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