@Article{Anouhe_etal2015, author="Anouhe, J.-B.S. and Adima, A.A. and Niamk{\'e}, F.B. and Stien, D. and Amian, B.K. and Blandinieres, P.-A. and Virieux, D. and Pirat, J.-L. and Kati-Coulibaly, S. and Amusant, N.", title="Dicorynamine and harmalan-N-oxide, two new $\beta$-carboline alkaloids from Dicorynia guianensis Amsh heartwood", journal="Phytochemistry Letters", year="2015", volume="12", pages="158--163", optkeywords="ABTS antioxidant", optkeywords="Biogenesis", optkeywords="Dicorynia guianensis", optkeywords="Nitrone", optkeywords="Spiroindolone", abstract="Abstract The chemical investigations of Dicorynia guianensis heartwood led to the isolation of four new indole alkaloids for the first time in this plant. Compound (1) identified as spiroindolone 2{\textasciiacutex},3{\textasciiacutex},4{\textasciiacutex},9{\textasciiacutex}-tetrahydrospiro [indoline-3,1{\textasciiacutex}pyrido[3,4-b]-indol]-2-one, and compound (3) described as nitrone 1-methyl-4,9-dihydro-3H-pyrido [3,4-b] indole 2-oxide and were isolated for the first time as natural products. ABTS antioxidant activity guided their isolation. {\textcopyright} 2015 Published by Elsevier B.V. on behalf of Phytochemical Society of Europe.", optnote="Export Date: 24 April 2015", optnote="exported from refbase (http://php.ecofog.gf/refbase/show.php?record=598), last updated on Fri, 24 Apr 2015 18:50:29 -0300", opturl="http://www.scopus.com/inward/record.url?eid=2-s2.0-84927136961&partnerID=40&md5=2f4db3944028700495845fd97a57da9e" }