Phytochemistry p. 474 - 476 (1982)
Update date:2022-08-30
Topics:
Saito, Koshi
Obata-Sasamoto, Hamako
Hatanaka, Shin-Ichi
Noguchi, Hiroshi
Sankawa, Ushio
Komamine, Atsushi
Isolation and identification of L-3-carboxy-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline and L-1-methyl 3-carboxy-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline from seeds and callus of S. hassjoo are described.Administration of <β-14C>-labelled DOPA to a callus culture of this legume resulted in the incorporation of radioactivity into L-3-carboxy-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline, L-1-methyl-3-carboxy-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline and stizolobic acid, which was confirmed by constant specific radioactivity after co-crystallization with authentic samples of each compound. - Key Word Index - Stizolobium hassjoo; Leguminosae; Yokohama velvet bean; tetrahydroisoquinolines; stizolobic acid; DOPA; callus culture.
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