The Schmidt reaction, using concentrated sulphurio acid and hydrasoic acid at O\*, as applied to alkyl substituted quinones has been the subject of recent studies (1), Folkers & a. come to the conclusion that in the case of quinones such aa h and Ib the products are exclusively of type IIa and IIb.
Synthesis of 2,5H-2,5-azepindiones by the reaction of quinones with hydrazoic acid
✍ Scribed by Domenico Misiti; Harold W. Moore; Karl Folkers
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- French
- Weight
- 136 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The reaction of 1,4‐naphthoquinone (**1**) with 2,5‐dimethylpyrroles (**7a‐7d**) gives only 3‐(1,4‐naphtho‐quinonyl)‐2,5‐dimethylpyrroles. Extending the reaction to other quinones: 5‐hydroxy‐1,4‐naphthoquinone (**2**), 1,2‐naphthoquinone (**3**), quinoline‐5,8‐dione (**4**) and quinoxal