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Convenient Synthesis of 7-Bromo-tetrahydro-1,5-benzodiazepin-2-ones |
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| Authors: | B. Puodẑimūnaitė |
| Affiliation: | Institute of Biochemistry , Mokslinink 12, Vilnius , 2600 , Lithuania |
| Abstract: | Treatment of 5-acyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-ones with bromine in the presence of the sulfuric acid afforded products to be brominated exclusively in the aromatic ring at position 7. |
| Keywords: | Dehydro‐α‐lapachone α‐Lapachone 2‐Hydroxy‐1,4‐naphthoquinone Knoevenagel‐electrocyclic reaction |