Polyethylene glycol (PEG-400): an efficient green reaction medium for the synthesis of benzo[4,5]imidazo[1,2-a]-pyrimido[4,5-d]pyrimidin-4(1H)-ones under catalyst-free conditions
2014 ◽
Vol 55
(47)
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pp. 6459-6462
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2012 ◽
Vol 53
(14)
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pp. 1699-1700
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