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Article
Diborane as a reducing agent IX: Reduction of aTris(trifluoroacetyl)enaminospiroindoline
Reduction of the title compound (2) with diborane furnishes 1-trifluoroethyl-3-(2′-(trifluoroethylamino)ethyl)-3-vinylindoline (4), 1-hydroxy-trifluoroethyl-3-(2′-(trifluoroethylamino)ethyl)indole (5), and 1-meth...
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Article
Nuclear magnetic resonance VI. Some quantitative applications of carbon-13 NMR spectroscopy to phenylindoles
The number of carbons represented by each signal of the phenylindoles1,4, and5 is measured quantitatively by integration of their13C NMR spectra, recorded after adding chromium(III) acetylacetonate to the sample ...