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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

✍ Scribed by Veeranarayana Reddy, Mudumala; Kim, Jong Su; Lim, Kwon Taek; Tae Jeong, Yeon


Book ID
126755124
Publisher
Elsevier Science
Year
2014
Tongue
French
Weight
270 KB
Volume
55
Category
Article
ISSN
0040-4039

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Microwave-assisted efficient synthesis o
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## Abstract magnified image Benzo[4,5]imidazo[1,2‐__a__]pyrimidine derivatives were synthesized __via__ the three‐component reaction of aldehyde, β‐dicarbonyl compound and 2‐aminobenzimidazole in water under microwave irradiation and without catalyst conditions. The new protocol has the advantages