2009
DOI: 10.1007/bf03246175
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Synthesis of 4,4′-diaminotriphenylmethane derivatives using H3PW12O40 and HZSM5 zeolite under solvent-free conditions

Abstract: An efficient and very simple method for synthesis of 4,4ǯ-diaminotriphenylmethane and its derivatives has been achieved via reaction of various substituted aromatic aldehydes containing both electron-donating and electron-withdrawing groups with various anilines having electron-withdrawing and electron-donating groups in the presence of catalytic amounts of HZSM5 zeolite and H 3 PW 12 O 40 under solvent-free conditions. The reaction proceed with shorter reaction time and higher yield compared to the results ob… Show more

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