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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Synthesis, Optical, and Antioxidant Studies of Anthraquinone-core-based Dendrimers with N-Phenylcarbazole as Surface Group

Perumal Rajakumar A D , Nagarathinam Venkatesan A , Karuppannan Sekar B , Subramani Nagaraj C and Ramasamy Rengasamy C
+ Author Affiliations
- Author Affiliations

A Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India.

B Department of Chemistry, Anna University–University College of Engineering, Dindigul 624 622, India.

C Centre for Advanced Studies in Botany, University of Madras, Guindy Campus, Chennai 600 025, India.

D Corresponding author. Email: perumalrajakumar@gmail.com

Australian Journal of Chemistry 67(4) 636-643 https://doi.org/10.1071/CH13521
Submitted: 28 September 2013  Accepted: 22 November 2013   Published: 6 January 2014

Abstract

Synthesis of hyperbranched dendrimers up to third generation with N-phenylcarbazole as surface group and anthraquinone as the core unit has been achieved. The fluorescence decay studies of the dendrimers indicate that generation growth alters the relaxation time. The highly branched third-generation dendrimer has a longer relaxation time than the zero-, first-, and second-generation dendrimers. Similarly, higher-generation dendrimers show better antioxidant behaviour with 1,1-diphenyl-2-picryl hydrazyl than the lower-generation dendrimers.


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