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Synthesis,structure, and properties of new spirooxindolodibenzodiazepine derivatives |
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| Authors: | Zh I Orlova L Yu Ukhin K Yu Suponitskii E N Shepelenko L V Belousova G S Borodkin O S Popova |
| Institution: | 1. Research Institute of Physical and Organic Chemistry, Southern Federal University, 194/2 prosp. Stachki, 344090, Rostov on Don, Russian Federation 2. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 ul. Vavilova, 119991, Moscow, Russian Federation 3. Southern Research Center, Russian Academy of Sciences, 41 ul. Chekhova, 344006, Rostov on Don, Russian Federation |
| Abstract: | An acid-catalyzed reaction of 3-(2-aminophenylamino)-5,5-dimethylcyclohexen-1-one with isatines leads to the formation of the earlier undescribed 3,3-dimethyl-2,3,4,5,10,11-hexahydrospiro1H-dibenzob,e]1,4]diazepine-11,3′-2H-indole]-1,2′-dione derivatives (6). Spiranes 6 upon heating undergo auto-redox rearrangement with disintegration to 3,3-dimethyl-1,2,3,4-tetrahydrophenazine and the corresponding oxindole. Crystals of four derivatives of compound 6 were studied by X-ray diffraction method. |
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