Teasterone-3-O-β-<small>D</small>-glucopyranoside, A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identification in Lily Anthers

Kazuo SOENO; Yoshimasa KYOKAWA; Masahiro NATSUME; Hiroshi ABE

doi:10.1271/bbb.64.702

Organic Chemistry Regular Papers

Teasterone-3-O-β-D-glucopyranoside, A New Conjugated Brassinosteroid Metabolite from Lily Cell Suspension Cultures and Its Identification in Lily Anthers

Kazuo SOENO, Yoshimasa KYOKAWA, Masahiro NATSUME, Hiroshi ABE

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Keywords: brassinosteroid, conjugated brassinosteroid, teasterone, teasterone glucoside, Lilium longiflorum

JOURNAL FREE ACCESS

2000 Volume 64 Issue 4 Pages 702-709

DOI https://doi.org/10.1271/bbb.64.702

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Abstract

The new brassinosteroid conjugate, teasterone-3-O-β-D-glucopyranoside, was found as a metabolite of teasterone in lily cell suspension cultures. Its structure was determined by means of FAB-MS and ¹H-NMR upon comparison with the authentic compound. Furthermore, its presence in lily anthers was confirmed by FAB-MS and LC-APCI-SIM data. This is the first natural brassinosteroid conjugate glucosylated at a hydroxyl group in ring A.

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