%0 Journal Article %A M. Veeranaryana Reddy %A P. Chenna Rohini Kumar %A G. Chandra Sekhar Reddy %A C. Suresh Reddy %T Silica gel-supported tungstic acid (STA): A new, highly efficient and recyclable catalyst for the synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-dione carbonitriles and carboxylates under neat conditions %J Comptes Rendus. Chimie %D 2014 %P 1250-1256 %V 17 %N 12 %I Elsevier %R 10.1016/j.crci.2014.01.026 %G en %F CRCHIM_2014__17_12_1250_0