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- Bergman, Jan, et al.
(författare)
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Acid-induced dimerization of 3-(1H-indol-3-yl)maleimides. Formation of cyclopentindole derivatives
- 2000
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Ingår i: JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1. - : Royal Society of Chemistry (RSC). - 1470-4358 .- 1364-5463 .- 1472-7781. ; :16, s. 2615-2621
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Tidskriftsartikel (refereegranskat)abstract
- Acid-induced dimerizations of 3-substituted maleimides have been investigated, leading to e.g. the cyclopentindole 9 and the deeply coloured spiro compounds 24 and 25 in good yields. 3-(1H-Indol-3-yl)maleimide 6b readily gave the cycloaddition products 13-15 on treatment with appropriate dienophiles. In addition, several related 3,3-di-(1H-indol-3-yl)succinimides have been prepared and studied.
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