Transformation of Grayanotoxin III to the 1, 5-seco-Grayanotoxin Derivative, Grayanol B

T. Terai, K. Kiyono, K. Gotō
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引用次数: 1

Abstract

Treatment of grayanotoxin (G) III with pyruvic acid in methanol gave the Δ1(10)-1,5-seco-G derivative. Photo-sensitized oxygenation of Δ1 (10)-1 ,5-seco-G under UV light irradiation in methanol gave the 1(S)-perhydroxy- and 1(S)-hydroxy-1,5-seco-G derivatives. The IR and NMR data for Δ1(10)-1(S)-hydroxy-1,5-seco-G were identical with those of natural grayanol B described in the literature.
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灰色毒素III向1,5 -seco灰色毒素衍生物灰色醇B的转化
用丙酮酸在甲醇中处理灰毒(G) III得到Δ1(10)-1,5-seco-G衍生物。紫外线照射下Δ1 (10)- 1,5-seco- g在甲醇中的光敏氧化得到1(S)-过羟基-和1(S)-羟基-1,5-seco- g衍生物。Δ1(10)-1(S)-羟基-1,5-seco- g的IR和NMR数据与文献中描述的天然grayanol B相同。
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