Synthesis and intramolecular cyclization of some derivatives of 3-[(2,3-dihydro-1Н-1,5-benzodiazepin-4-yl)methylidene]indolin-2-one

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作者：
K. V. Maslov
A. N. Andin
O. Yu. Slabko
机构：
[1] Far-Eastern Federal University,
来源：
Russian Journal of Organic Chemistry | 2016年 / 52卷
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摘要：
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-1Н-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-1Н-1,5-benzodiazepine system.
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页码：1657 / 1660
页数：3
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