Titration von Isocyaniden

Isocyanomethyl-polystyrene ResinThe synthesis of isocyanomethyl-polystyrene resin 8 by the phosgene and diphosgene method, respectively, is described, starting with a polystyrene-2%-divinylbenzene-copolymer.Aminomethyl-polystyrol 5 ist ein wichtiges Zwischenprodukt bei der Synthese von Isocyanmethyl-polystyrol 8, welches ein vielseitig verwendbares Reagens darstellt, vor allem fur Peptidsynthesen ". 1 II 0 3 In Anlehnung an eine Vorschrift von Corte und N e t z 4 ) kann 5 durch Umsetzung von Polystyrol-2%-divinylbenzol (1) mit N-(Chlormethy1)-phthalimid (2) in Dichlormethan in Gegenwart von Friedel-Crafts-Katalysatoren dargestellt werden. Das dabei zunachst entstehende Phthalimidomethyl-polystyrol 3 1aBt sich durch Behandeln mit Hydrazinhydrat/NaOH/siedendes Dioxan4', Ethanol 5 , 6 ) oder D M F " in 5 uberfuhren. ') Uber die Verankerung von Aminosaure-Derivaten an Isocyanmethyl-polystyrol mittels derPasserini-Reaktion *) und einen neuen Typ von Peptidsynthese mittels Vierkomponenten-Kondensation 3, werden die Verfasser in BHIde berichten.

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Bifunktionelle Isocyanide als Reagenzien zur Einführung von Isocyangruppen in Polystyrol‐Divinylbenzol‐Copolymere

Skorna

Ugi

1978

Chem. Ber.

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Titration von Isocyaniden

Cited by 14 publications

References 3 publications

Chemically modified polyesters as supports for enzyme immobilization: Isocyanide, acylhydrazide, and aminoaryl derivatives of poly(ethylene terephthalate)

Chemically modified polyesters as supports for enzyme immobilization: Isocyanide, acylhydrazide, and aminoaryl derivatives of poly(ethylene terephthalate)

Isocyanmethyl‐polystyrol

Bifunktionelle Isocyanide als Reagenzien zur Einführung von Isocyangruppen in Polystyrol‐Divinylbenzol‐Copolymere

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