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Three New Alkaloids from Hippophae rhamnoides Linn. subsp. sinensis Rousi
HLCA Helvetica Chimica Acta
Format: Journal Article
Publication Year: 2015
Pages: 1287 - 1291
Source ID: shanti-sources-104161
Abstract: Two novel organic amide alkaloids, 4-[(E)-p-coumaroylamino]butan-1-ol (1) and 4-[(Z)-p-coumaroylamino]butan-1-ol (2), together with a rare pyridoindole alkaloid, hippophamide (3), were isolated from the seed residue of Hippophae rhamnoides Linn. subsp. sinensis Rousi. Their structures were determined by spectroscopic means. The results show that compounds 1 and 2 are (E/Z)-isomers, compound 3, a pyridoindole alkaloid concerted with γ-lactam ring.