DBU: An Efficient Base Catalyst for Synthesis of the New Oxazolo[5,4-d]pyrimidine Derivatives |
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| Authors: | Ahmad Nikseresht Mehdi Bakavoli Samad Shoghpour Bayraq |
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| Affiliation: | 1. Department of Chemistry , Payame Noor University , Tehran , Iran;2. Department of Chemistry, School of Sciences , Ferdowsi University of Mashhad , Mashhad , Iran |
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| Abstract: | New types of oxazolo[5,4-d]pyrimidines were synthesized via 1,8-diazabicyclo[5,4,0]undec-7-ene-catalyzed heteroannulation of 2-substituted 5-amino-4-cyano-1,3-oxazoles with various isothiocyanates. |
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| Keywords: | Aminomalononitrile tosylate 1,8-diazabicyclo[5,4,0]undec-7-ene 1,3-dicyclohexylcarbodiimide heteroannulation isothiocyanate oxazolopyrimidine |
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