Ja. Vega et al., A new approach to the synthesis of 2-aminoimidazo[1,2-a]pyridine derivatives through microwave-assisted N-alkylation of 2-halopyridines, TETRAHEDRON, 55(8), 1999, pp. 2317-2326
A microwave (focused waves) assisted N-alkylation of 2-halopyridines provid
es;a convenient entry to 2-amino-imidazo[1,2-a]pyridine derivatives after r
eaction of the alkylated substrates with cyanamide under basic conditions.
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