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A comparative study of microwave versus conventional synthesis of lead phthalocyanine complexes

B. Narayana Achar

Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, Karnataka State, India

Corresponding author, fax +91 0821-2421263.

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T. Manjappa Mohan Kumar

Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, Karnataka State, India

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, and

K. Sannegowda Lokesh

Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore-570 006, Karnataka State, India

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https://doi.org/10.1142/S1088424605001003Cited by:11 (Source: Crossref)

Abstract

Lead(II) phthalocyanine (PbPc); lead(II) tetranitrophthalocyanine (PbTNP) and lead(II) tetraaminophthalocyanine (PbTAP) were synthesized in pure state by microwave irradiation and conventional heating methods. The procedures for their synthesis by the microwave technique are standardized and reported for the first time. PbPc and PbTNP were synthesized in dry conditions and PbTAP complex was synthesized in aqueous medium. All the compounds are obtained in very high yield (~90%). The synthesized complexes are characterized with respect to elemental analysis, UV-visible, IR-spectroscopy and X-ray diffraction study. The microwave methods are advantageous over the conventional method of synthesis with respect to higher yield, rapidity and simplicity.

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