Reliable synthesis of 9-aryl-substituted 2,6,7-trihydroxyxanthen-3-ones

被引：9

作者：

Schrick, Petra ^{[1
]}

Geick, Klaus ^{[2
]}

Waldvogel, Siegfried R. ^{[1
]}

机构：

[1] Univ Bonn, Kekule Inst Organ Chem & Biochem, D-53121 Bonn, Germany

[2] Hach Lange GmbH, D-40549 Dusseldorf, Germany

来源：

SYNTHESIS-STUTTGART | 2008年 / 14期

关键词：

heterocycles; oxidations; condensation; dye; xanthenones;

D O I：

10.1055/s-2008-1078447

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

2,6,7-Trihydroxyxanthen-3-ones are reliably prepared by a one-pot protocol using alkali peroxosulfates in the key step. NMR spectra in deuterated sodium hydroxide confirm the anticipated structures and allow the determination of the dye contents by an internal standard.

引用

页码：2211 / 2216

页数：6

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