Main > ORGANIC CHEMICALS > Amide > Synthesis > Coupling Reagent > Resin-Bound Carbodiimide

Product USA. A

STRUCTURE (Resin)-C6H4-CH2-O-(CH2)3-N=C=N-C6H11 (Reagent)
OBSERVATION'S If necessary 1-hydroxybenzotriazole (HOBt) is added to reaction to suppress a rearrangement to an unreactive acylurea. HOBt converts the reactive intermediate to the HOBt active ester, which then reacts with the amine to generate the amide. The HOBt is released & is readily scavenged with MP-Carbonate or PS-Trisamine
SYNTHESIS Reagent+RCO2H=[R-CO2-C(-NH-)=N-C6H11]+R'NH2=
R-CONHR'+(Resin)-NH-CO-NH-C6H11
UPDATE 05.02
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