Isatisindigoticanine A, a novel indole alkaloid with an unpresented carbon skeleton from the roots of Isatis tinctoria
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DOI: 10.1080/14786419.2019.1644632
Abstract: Abstract Isatisindigoticanine A (1), a new indole alkaloid with an unusual carbon skeleton of a benzofuran-3-one unit connected with a 1H-indole-3-yl unit and a 4-(1,2-dihydroxyethyl)-6-oxa-3-azabicyclo[3.1.0]hexan-2-one unit via a C-3－C-8'' bond and a C-4'－C-8'' bond, was… read more here.
Keywords: carbon skeleton; isatis tinctoria; indole alkaloid; roots isatis ... See more keywords
Four new indole alkaloids from the roots of Isatis tinctoria.
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DOI: 10.1080/14786419.2020.1779716
Abstract: Chemical fractionation of the ethanolic extract of the roots of Isatis tinctoria L. (I. tinctoria) yielded fourteen indole alkaloids including four new ones, isatisindigoticanine L-N and isatindigoside M. Their structures were established on the basis… read more here.
Keywords: roots isatis; alkaloids roots; four new; indole alkaloids ... See more keywords
Alkaloid Enantiomers from the Roots of Isatis indigotica
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DOI: 10.3390/molecules24173140
Abstract: Five pairs of alkaloid enantiomers (1a/1b–5a/5b) were obtained from Isatis indigotica (I. indigotica) roots. Among them, 1a/1b, 2a/2b and 3a/3b were determined as three pairs of new alkaloid enantiomers. Their structures were elucidated by physicochemical… read more here.
Keywords: alkaloid enantiomers; isatis indigotica; roots isatis; enantiomers roots ... See more keywords