ChemInform Abstract: Microwave‐Assisted Palladium Mediated Efficient Synthesis of Pyrazolo[3, 4‐b]pyridines, Pyrazolo[3, 4‐b]quinolines, Pyrazolo[1, 5‐a]pyrimidines and Pyrazolo[1, 5‐a]quinazolines. Issue 4 (January 2015)