Syntheses of 1-(3-oxoalkyl)indole-2-3-diones
β Scribed by M. A. Rekhter; F. Z. Makaev; F. V. Babilev; G. N. Grushetskaya; S. V. Rudakov
- Publisher
- Springer US
- Year
- 1996
- Tongue
- English
- Weight
- 543 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
In the title compound, C 14 H 10 N 4 O 2 , the pyridine ring and the isatin unit (indoline-2,3-dione) are nearly coplanar, the dihedral angle being 3.79 (11) . Inter-and intramolecular N-HΓ Γ ΓO hydrogen bonding and weak intermolecular C-HΓ Γ ΓO hydrogen bonding occur in the crystal structure.
## Abstract An auto oxidationβrearrangement product 4 was isolated from a high dilution reaction of ninhydrin with 3,4,5βtrimethoxyaniline in water. A general synthesis of this compound and its derivatives 4β6 was devised by oxidation of tetrahydroindeno[1,2β__b__]indolβ10βones 1β3 with sodium peri