Res Chem Intermed (2015) 41:5985–5993 DOI 10.1007/s11164-014-1715-5 Naphthazarin, a simple model of important antitumor agents in a facile size-tunable synthesis of gold nanoparticles • • Neda Attaran Hossein Eshghi Mohammad Rahimizadeh Mehdi Bakavoli Received: 8 January 2014 / Accepted: 15 May 2014 / Published online: 3 June 2014 Springer Science+Business Media Dordrecht 2014 Abstract 2,3-Dihydro-5,8-dihydroxynaphthalene-1,4-dione (naphthazarin) (2) is used for the ﬁrst time as a biologically important reagent in the synthesis of gold nanoparticles in water–methanol medium through the chemical reduction of HAuCl at room tem- perature without using any capping agents other than naphthazarin. The ratio of HAuCl and naphthazarin played a vital role in controlling the shape and size of gold nano- particles. Three samples with signiﬁcant differences in sizes (range of 10–200 nm) have been prepared through increasing the initial naphthazarin/HAuCl molar ratio from 50 to 200. The size, distribution, and formation of gold nanoparticles were conﬁrmed by transmission electron microscopy, Fourier transform infrared spectroscopy, and UV– Visible absorption spectroscopic measurements. Keywords Naphthazarin 2,3-Dihydro-5,8-dihydroxynaphthalene-1,4-dione Gold nanoparticles Biologically important reagents Introduction Hydroquinone is produced industrially and has a wide variety of uses principally associated with its action as a reducing agent. This application exploits the
Research on Chemical Intermediates – Springer Journals
Published: Jun 3, 2014
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