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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 1
BKCSDE 33(1)
January 20, 2012

Title	A Green and Highly Efficient Solvent-free Synthesis of Novel Calicx[4]resorcinarene Derivatives Using Tungstate Sulfuric Acid
Author	Bahador Karami, * Saeed Khodabakhshi, Niloofar Safikhani
Keywords	Calix[4]resorcinarene, Arylaldehyde, Resorcinol, Tungstate sulfuric acid
Abstract	A facile and simple procedure for the synthesis of novel and known calix[4]resorcinarene derivatives were developed via a reaction of arylaldehydes with resorcinol in the presence of catalytic amounts of tungstate sulfuric acid (TSA) under solvent-free conditions. This eco-friendly method has many appealing attributes, such as excellent yields, short reactions times, use of safe and recoverable catalyst, and simple work-up procedures. TSA was characterized by powdered X-ray diffraction (XRD), X-ray fluorescence (XRF) and FTIR spectroscopy.
Page	123 - 127
Full Text	PDF / Supporting Information

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