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Organic synthesis on the microgram scale. II

A simple and rapid technique for multiple syntheses

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Summary

A technique for multiple syntheses of organic compounds on theμg scale is described. The reactants are spotted on the thin-layer silica gel plate and a band of reagent is sprayed onto the reactants. All stages of reactions and manipulative operations leading to the separation of the final products are performed on the same plate.

Examples are given for the preparation of azo dyes. The dyes from 5 aromatic amines andα-naphthol can be synthesized and the results evaluated in less than 2 hours.

Zusammenfassung

Die Synthese organischer Verbindungen im Mikrogrammaßstab läßt sich auf Kieselgel durchführen, indem man Tropfen der Ausgangsstoffe auf die Startlinie der Dünnschichtplatte aufträgt, dort mit den entsprechenden Reagenzien versetzt und die Reaktionsprodukte chromatographiert.

Als Beispiel wird die Herstellung von Azofarbstoffen beschrieben. Aus fünf aromatischen Aminen und α-Naphthol werden Farbstoffe synthetisiert und das Ergebnis in weniger als 2 Stunden ausgewertet.

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References

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Additional information

For Part I, see Mikrochim. Acta [Wien]1965, 1098.

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Marcus, B.J., Fono, A. & Ma, T.S. Organic synthesis on the microgram scale. II. Mikrochim Acta 55, 960–966 (1967). https://doi.org/10.1007/BF01216844

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  • DOI: https://doi.org/10.1007/BF01216844

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