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Synthesis of pyrrolo[1,2-a]quinoxaline derivatives by the reaction of 2-hydroxy-1,5-diketones with o-phenylenediamine

โœ Scribed by V. A. Kaminskii; T. V. Moskovkina; S. V. Borodina


Publisher
Springer US
Year
1992
Tongue
English
Weight
287 KB
Volume
28
Category
Article
ISSN
0009-3122

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## 1,5-benzodiazepines / Cyclizations / Cycloadditions The reaction of o-phenylenediamine (4) with one, two or three equivalents of p-substituted 3-dimethylaminopropiophenone hydrochlorides 5a-e was studied. 4-Aryl-2,3-dihydro-1H-1,5-benzodiazepine derivatives 6a-e were obtained in good yields, alo