Journal
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
Volume 184, Issue 9, Pages 2333-2338Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426500802454144
Keywords
Aluminium hydrogen sulfate; alumina sulfuric acid; Biginelli reaction; 3,4-dihydropyrimidin-2(1H)-ones/thiones
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Funding
- Sistan and Baluchestan University Research Council
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An environmentally friendly procedure for the preparation of dihydropyrimidinone derivatives or their sulfur analogues under thermal solvent-free conditions in the presence of aluminium hydrogen sulfate [Al(HSO4)(3)] and alumina sulfuric acid (Al2O3-SO3H) as heterogeneous catalysts was developed.
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