Results 41 to 50 of about 93 (65)

Cardenolide analogs. 4. (20R)- and (20S)-cardanolides: on the roles of the 20(22)-ene and 14.beta.-hydroxyl in genin activity

Journal of Medicinal Chemistry, 1979
(20R)-20,22-Dihydrodigitoxigenin (3a) and (20S)-20,22-dihydrodigitoxigenin (3b) were isolated from (20R,S)-20,22-dihydrodigitoxigenin (3) by three fractional crystallizations each from ethyl acetate. The two diastereomers have distinct NMR spectra and similar (Na+,K+)ATPase inhibitory activities (I50 = 1.1-1.4 X 10(-5) M)--about 1/100 as active as ...
D S, Fullerton   +4 more
openaire   +3 more sources

Partialsynthesen von Cardenoliden und Cardenolid‐Analogen. VI. (20R)‐ und (20S)‐Cardanolide

Journal für Praktische Chemie, 1983
Partial Syntheses of Cardenolides and Cardenolide Analogues. VI. (20R)‐ and (20S)‐Cardanolides(20R)‐Dihydrodigitoxigenin (2) and (20S)‐dihydrodigitoxigenin (4) as well as their 3‐acetates3and5, respectively, were synthesized by catalytic hydrogenation of the appropriate cardenolides and separation by column chromatography on silica of the mixtures of ...
Claus Lindig, Kurt R. H. Repke
openaire   +2 more sources

[Cardanolides from Anodendron paniculatum (Roxb.) A. DC].

Helvetica chimica acta, 1970
J, Polonia   +3 more
openaire   +3 more sources

18,20-Oxido-20,22-dihydroneriifolin, an unusual oxygenated cardanolide

The Journal of Organic Chemistry, 1979
Alicia Cruz   +5 more
openaire   +2 more sources

ChemInform Abstract: 18,20‐OXIDO‐20,22‐DIHYDRONERIIFOLIN, AN UNUSUAL OXYGENATED CARDANOLIDE

Chemischer Informationsdienst, 1980
AbstractEin aus den Samen von Thevetia thevethoides Schum.
A. CRUZ   +5 more
openaire   +1 more source

Tissue culture and metabolome investigation of a wild endangered medicinal plant using high definition mass spectrometry

Plant Cell Tissue and Organ Culture, 2018
Joana Paula da Silva Oliveira   +6 more
semanticscholar   +2 more sources

Catalytic Tritiation of Cardiac Glycosides

, 1971
D. Murawski   +3 more
semanticscholar   +1 more source

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