23-May-2013
00:19:20 IST
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NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR) >
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Research Journals >
Indian Journal of Chemistry -Section B (IJC-B) >
IJC-B Vol.45B [2006] >
IJC-B Vol.45B(04) [April 2006] >
| Title: | Synthesis of some substituted 2-oxo- 1,2,3,4-tetrahydropyrimidines (3,4-dihydropyrimidin-2(1H )-ones) and 2-thioxo-1,2,3,4-tetrahydropyrimidines, catalyzed by tin(II) chloride dihydrate and tin (II) iodide under microwave irradiation |
| Authors: | Roy, Dipak K
Bordoloi, Manobjyoti |
| Keywords: | Tetrahydropyrimidines
dihydropyrimidinones
tin(II) chloride dihydrate
microwave irradiation |
| Issue Date: | Apr-2006 |
| Publisher: | NISCAIR-CSIR, India |
| IPC Code: | Int.Cl.7 C 07 D |
| Abstract: | A simple,economic and efficient one pot synthesis of some sub s tituted 2-o xo-1,2,3,4-t etrahydropyr imid ines [3, 4-
dihydropyrimidin-2(1H )-ones) and 2-thioxo-1,2,3,4-tetrahydropyrimidines
under solvent free condition and microwave irradiation catalyzed by tin(II) chloride dihydrate and tin (II) i ide is described.
Aromatic aldehydes, possessing either electron donating or electron withdrawing substituents, react efficiently with urea (or
thiourea) and  -dicarbonyl compounds to give excellent yield of sub s tituted
3,4-dihydro pyrimidin-2 (1H )-ones (o r 3, 4-dihydropyrimidin-2(1H )-thiones]. |
| Page(s): | 1067-1071 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-0983(Online); 0376-4699(Print) |
| Source: | IJC-B Vol.45B(04) [April 2006]
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