Synthesis and characterization of two novel organic-inorganic compounds based on tetrahexyl and tetraheptyl ammonium ions and the Preyssler anion and their catalytic activities in the synthesis of 4-aminopyrazolo[3,4-d]- pyrimidines.

Fatemeh Farrash Bamoharram

Index: Molecules 15(4) , 2509-19, (2010)

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Abstract

Two novel organic-inorganic compounds based on tetrahexylammonium (THA) and tetraheptylammonium (THPA) ions and the Preyssler anion, [NaP5W30O110]14-, were synthesized and formulated as (THA)7.7H6.3 [NaP5W30O110] (A) and (THPA)7.5 H6.5[NaP5W30O110] (B). The synthesized compounds were characterized by IR, UV, and TGA and used for the catalytic synthesis of 4-aminopyrazolo[3,4,-d]pyrimidine derivatives 2a-2d. Our findings showed efficient catalytic activities for A and B.