STRUCTURES OF TRIPTOFORDININE A-1 AND A-2 DETERMINED BY TWO-DIMENSIONAL NMR SPECTROSCOPY. HIGHLY ESTERIFIED SESQUITERPENE ALKALOIDS FROM TRIPTERYGIUM WILFORDII HOOK FIL. VAR. REGELII MAKINO

Yoshihisa Takaishi; Kunie Ujita; Hiroyasu Noguchi; Kimiko Nakano; Toshiaki Tomimatsu; Shigetoshi Kadota; Koji Tsubono; Tohru Kikuchi

doi:10.1248/cpb.35.3534

Yoshihisa Takaishi, Kunie Ujita, Hiroyasu Noguchi, Kimiko Nakano, Toshiaki Tomimatsu, Shigetoshi Kadota, Koji Tsubono, Tohru Kikuchi

Author information

Yoshihisa Takaishi
Faculty of Pharmaceutical Sciences, University of Tokushima
Kunie Ujita
Faculty of Pharmaceutical Sciences, University of Tokushima
Hiroyasu Noguchi
Faculty of Pharmaceutical Sciences, University of Tokushima
Kimiko Nakano
Faculty of Pharmaceutical Sciences, University of Tokushima
Toshiaki Tomimatsu
Faculty of Pharmaceutical Sciences, University of Tokushima
Shigetoshi Kadota
Research Instituente for Wakan-Yaku (Oriental Medicines), Toyama Medical and Pharmaceutical University
Koji Tsubono
Research Instituente for Wakan-Yaku (Oriental Medicines), Toyama Medical and Pharmaceutical University
Tohru Kikuchi
Research Instituente for Wakan-Yaku (Oriental Medicines), Toyama Medical and Pharmaceutical University

Keywords: sesquiterpene, alkaloid, triptofordinine, two-dimensional NMR, celastraceae, tripterygium wilfordii

JOURNAL FREE ACCESS

1987 Volume 35 Issue 8 Pages 3534-3537

DOI https://doi.org/10.1248/cpb.35.3534

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Abstract

The structures of triptofordinine A-1 and A-2, highly esterified sesquiterpene alkaloids isolated from Tripterygium wilfordii Hook fil. var. regelii Makino, were established by the application of two-dimensional NMR.

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