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Highly convenient one‐pot conversion of aryl acylals or aryl aldehyde bisulfites into dihydropyrimidones using BI(NO3)3⋅5H2O |
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| Authors: | Ahmad R Khosropour Mohammad M Khodaei Mojtaba Beygzadeh |
| Abstract: | A new, facile, and efficient one‐pot deprotection–cyclocondensation method is presented for the Biginelli reaction from aryl acylals or aryl aldehyde bisulfites in the presence of catalytic amounts of Bi(NO3)3 ⋅ 5H2O under solvent‐free conditions. In addition, high levels of chemoselectivity for this synthesis have been achieved. © 2007 Wiley Periodicals, Inc. Heteroatom Chem 18:684–687, 2007; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/hc.20352 |
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