Abstract
The novel preparation of 2-aminopyridoimidazoles and 2-aminobenzimidazoles via the cyclization of (2-aminopyridin-3-yl)urea and (2-aminophenyl)urea substrates in the presence of phosphorus oxychloride is described. This methodology is demonstrated for a range of urea substrates with aminoimidazole products obtained in good yields and with excellent levels of purity.
| Original language | English |
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| Pages (from-to) | 3688-3695 |
| Number of pages | 8 |
| Journal | Journal of Organic Chemistry |
| Volume | 79 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 18 Apr 2014 |