A new, convenient and excellent yield procedure for the preparation of bis(indolyl)methanes(BIMs) by Friedel–Crafts reaction of indoles with imines in the pres
The present landforms may be expressed as a function of structure, proceesand stage. It is admittedly true that in most regions, stage and process areperhaps of
Die hier von mir untergcsuchten Bestande von Kiefen Pinus tabulaeformis Canund von Fich(?), picea Wilsonii Mast sind in der Provinz Kansu, langes des Flusses,Ta
In this paper,we synthesized cathode catalysts(PANI-PPYR,Fe/PANI-PPYR,Co/PANI-PPYR and Fe-Co/PANI-PPYR)with high performance oxygen reduction by using a simple