- 作者: 李春來
- 作者服務機構: 臺灣大學農學院實驗林管處
- 中文摘要:
自青葉楠皮之正己烷抽出物中性不揮發性部分,以柱層色析法分離四種α,α-二苯基-β,β-
二甲基四氫?喃類木質素(α,α-diaryl-β,β-dimethytetrahydrofuranoid lignans),其中三種係
新類木質素,經命名為zuihonin A, zuihonin B及zuihonin C。另一種即係已知之類木質素
galgravin o其分子立體構造即依據其核磁共振譜鑑定,zuihonin A為(Ⅲ),zuihonin B為
(Ⅱ), zuihonin C為(Ⅲ)及galgravin即為(Ⅱ)。
w - 英文摘要: The neutral fraction of the n-hexane extractsof Machilus zuihoensis forma longipaniculata stembark has yielded three new lignans and a knownlignan, galgravin (II), which are all of theα,α-diaryl-β,β-dimethyltetrahydrofuran series.The three new lignans have been named zuihoninA, zuihonin B and zuihonin C and their struc-tures determined as (III), (II) and (III) respec-tively by nuclear magnetic resonance measure-ments.
- 中文關鍵字: --
- 英文關鍵字: --