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Dr. Bahaa El-Dien M. El-Gendy :: Publications: |
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| Title: | Tautomerism of guanidines studied by 15N NMR: 2-hydrazono-3-phenylquinazolin-4 (3H)-ones and related compounds |
| Authors: | Ion Ghiviriga, Bahaa El-Dien M. El-Gendy, Peter J. Steeld and Alan R. Katritzky |
| Year: | 2009 |
| Keywords: | Not Available |
| Journal: | Not Available |
| Volume: | Not Available |
| Issue: | Not Available |
| Pages: | Not Available |
| Publisher: | Not Available |
| Local/International: | International |
| Paper Link: | |
| Full paper | Not Available |
| Supplementary materials | Not Available |
| Abstract: |
2-Hydrazono-3-phenylquinazolin-4(3H)-ones 11a–i are shown by 15N NMR to exist in DMSO solution predominantly as the imino tautomers B and not the amino tautomers A. 2-Hydrazino-benzimidazole derivative 12 and 2-hydrazino-4,6-dimethylpyrimidine derivative 13 were found to exist predominantly as the amino tautomers. |
