1940
DOI: 10.1002/hlca.19400230195
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Zur Kenntnis der Erythrophleum‐Alkaloide (3. Mitteilung). Cassaidin, ein zweites krystallisiertes Alkaloid aus der Rinde von Erythrophleum guineense (G. Don) und seine Beziehung zum Cassain

Abstract: Es handelt sich also vermutlich um [3,12-Diketo-atio-cholanyl]-diphenyl-carbinol. Somit ist bei der Verkochung rnit Eisessig wenigstens bei einem Teil des Naterials kein Wasser abguspalten worden und ein Abbau rnit Ozon daher nicht eingetreten. Die Nikroanalysen wurden von Hrn. Dr. A. Schoeller, Berlin, ausgefuhrt. Pharmazeutische Rnstalt der Universitat Basel. 91. Zur Kenntnis der Erythrophleum-Alkaloide Cassaidin, ein zweites krystallisiertes Alkaloid aus der Rinde von Erythrophleum guineense (G. Don) und se… Show more

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Cited by 21 publications
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“…These authors further suggested that erythrophleic acid was a derivative of 1,7 ,8 -tri methylphenanthrene. Ruzicka, Dalma, and their associates (68,69,70) appear to have arrived, with much reluctance, at a similar conclusion with cassaine, ca ' ssaidine, loids will remain as subjects of chemical and pharmacological in vestigation for some time to come.…”
Section: Venommentioning
confidence: 99%
“…These authors further suggested that erythrophleic acid was a derivative of 1,7 ,8 -tri methylphenanthrene. Ruzicka, Dalma, and their associates (68,69,70) appear to have arrived, with much reluctance, at a similar conclusion with cassaine, ca ' ssaidine, loids will remain as subjects of chemical and pharmacological in vestigation for some time to come.…”
Section: Venommentioning
confidence: 99%
“…It was found that ester amines and amides are readily distinguished by the intense base peak in their mass spectra. Those of dimethylaminoethanol esters, such as cassaine (1), cassaidine(2), and cassamidine(10), have the most intense peaks arising from the N-containing side chain. The extremely intense ions at m/z 71 and 58 are attributed, respectively, to the fragmentCH 2 =CH-N +• (CH 3 ) 2 ,formed by McLafferty rearrangement, and to the fragment CH 2 =N + (CH 3 ) 2 , formed by fission of the C-C bond next to the Natom.…”
mentioning
confidence: 99%