86456-13-5

Usage

Chemical Class

Xanthene derivatives

Substituents

Chlorine atom (Cl) at 6th position
Methoxy group (-OCH3) at 2nd position

Fluorescent Property

Exhibits fluorescence

Common Uses

Fluorescent tracer in biological and chemical applications
Preparation of fluorescent dyes
Optical brighteners
Fluorescent indicators for analytical assays

Applications

Fluorescence microscopy
Flow cytometry
Fluorescent labeling

Upstream product

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Relevant academic research and scientific papers

AMINE COMPOUND AND USE THEREOF FOR MEDICAL PURPOSES

The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the DESCRIPTION, which has a superior peripheral blood lymphocyte decreasing action, and is useful for the treatment or prophylaxis of autoimmune diseases; prophylaxis or suppression of resistance or acute rejection or chronic rejection of transplantation of organ or tissue; treatment or prophylaxis of graft-versus-host (GvH) disease due to bone marrow transplantation; or treatment or prophylaxis of allergic diseases.

Microwave-assisted, Yb(OTf)3/TfOH cocatalyzed synthesis of xanthones and thioxanthones by intramolecular friedel-crafts reaction under solvent-free conditions

An efficient method for the synthesis of biologically interesting xanthones and thioxanthones was achieved using Yb(OTf)3/TfOH as co-catalysts by a microwave radiation-mediated reaction. Both electron-rich and electron-poor substrates could be cyclized in good yields.

Analogues of hycanthone and lucanthone as antitumor agents

Hycanthone analogues (5 and 6) containing 7-substituted hydroxyl groups were prepared and evaluated as antitumor agents. These compounds were significantly more active than the corresponding unsubtituted derivatives. The 7-hydroxylated-4-(hydroxymethyl)-9H-xanthen-9-ones, 11 and 12, were also active antitumor agents. However, the 7-hydroxy-9H-xanthen-9-one counterparts of the 7-hydroxylucanthones were totally devoid of antitumor activity. Results obtained thus far are consistent with the hypothesis that 4-hydroxymethyl substituents in the 9H-xanthen-9-one and 9H-thioxanthen-9-one series are required for antitumor activity.