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- Title
Synthesis and intramolecular cyclization of some derivatives of 3-[(2,3-dihydro-1 Н-1,5-benzodiazepin-4-yl)methylidene]indolin-2-one.
- Authors
Maslov, K.; Andin, A.; Slabko, O.
- Abstract
Isatin and its 5-bromo derivative react with о-phenylenediamine and acetone in formic acid; products of this three-component condensation were isolated as perchlorates, from which for the first time bases were obtained, derivatives of 3-[(2,3-dihydro-1 Н-1,5-benzodiazepin-4-yl)methylidene]indolin-2-one. The reduction of these derivatives with sodium cyanoborohydride is followed by intramolecular cyclization affording a bridged 2,3,4,5-tetrahydro-1,4-methano-1 Н-1,5-benzodiazepine system.
- Subjects
BENZODIAZEPINES; METHYLIDENES; INDOLINONE; RING formation (Chemistry); CONDENSATION reactions; BOROHYDRIDE; PERCHLORATES
- Publication
Russian Journal of Organic Chemistry, 2016, Vol 52, Issue 11, p1657
- ISSN
1070-4280
- Publication type
Article
- DOI
10.1134/S107042801611018X