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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...
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Facile and Efficient Pinacol Rearrangement Using Tungstophosphoric Acid (H3PW12O40) under Solvent-free Conditionsrearrangementspolyphenylalkane derivativesphenanthrene derivativesfused phenylcycloalkyl derivatives (rings with 3, 4, 7 or more members
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Peŕ ez, E. R.; Carnevalli, N. C.; Cordeiro, P. J.; Rodrigues-Filho, U. P.; Franco, D. W. Efficient Solvent-Free Microwave-Assisted Esterification of Fuel Oil Using P-Tsoh and H3PW12O40 as Catalysts. Org. Prep. Proced. Int. 2001, 33, 395-400....