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US 5,416,193 AGranted
Coupling reagent and method
AssigneePfizer Inc.
InventorManoj C. Desai
Life of this patent
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Abstract
A solid phase coupling reagent for amide formation, comprising insoluble polymer bearing pendant side chains, said side chains each comprising a terminal portion having the formula ##STR1## wherein Y.sup.- is a counteranion and n is independently an integer from 2 to 6; and a method of making amides employing the coupling reagent.
Claims3
A solid phase coupling reagent, comprising an insoluble polymer bearing pendant side chains, said side chains each comprising a terminal portion having the formula ##STR63## wherein Y.sup.- is a counteranion and n is independently an integer from 2 to 6.
Dependencies are inferred from the claim text.