majdine
National Institutes of Health
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SummaryOn the basis of measurements of the NOE, the position of the aromatic methoxy groups in majdine and isomajdine at C11 and…
I t has been shown p rev ious ly [1] that the new oxindole alkaloid v iner in ine (I) i so la ted f r o m Vinca e r e c t a is a…
SummaryA new hydroxyindole alkaloid has been isolated from the roots and epigeal part ofVinca herbaceae — herboxine, C23H28N2O6…
t . M. Ohashi, J. M. Wilson, H. Budzikiewicz, M. Shamma, W. A. Slusarchyk, and C. Djerassi, J. Am. Chem. Soc . , 85, 2807, 1963…
On direct comparison by TLC and IR we established that the alkaloids A-5 and A-4, first isolated from Vinca herbacea W. K . 1 are…
SummaryThree new bases have been isolated fromVinca erecta andV. major. The structures of majdine, pseudokopsinine, and…