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An efficient synthesis of substituted 1-pyridylimidazo-[1,5-a]-pyridines has been accomplished using scandium(III) triflate as catalyst under mild conditions in excellent yields.
We acknowledge Dr. P. L. More, Principal. Dnyanopasak College, Parbhani, for providing necessary facilities and UGC, New Delhi, for financial support (MRP-47-125/06).
a All of the products were characterized by spectral and physical data.
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