Phytochemistry p. 1849 - 1852 (1988)
Update date:2022-08-05
Topics:
Ghosal, Shibnath
Shanthy, Amirthalingam
Singh, Sushil K.
A new Shiff's base, named isocraugsodine, was isolated from the fruits of Crinum asiaticum.Its N-(3-methoxy-4-hydroxybenzylidene)-4'-hydroxyphenethylamine structure was assigned on the basis of chemical transformation and comprehensive spectroscopic evidence.The temperature-gradient distribution of the three isomeric forms (1a<*>1b<*>1c) of the Shiff's base was determined by high resolution 1H NMR analysis.Isocraugsodine is considered as a direct precursor to Amaryllidaceae alkaloids.Key Word Index-Crinum asiaticum; Amaryllidaceae; N-(3-methoxy-4-hydroxybenzylidene)-4'-hydroxyphenethylamine; isocraugsodine; E-Z isomerism.
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