Abstract
For simultaneous construction of the polyurethane backbone and the allyl side chains, Lewis acid-catalyzed three-component condensation reactions of carbonyl compounds, N-trimethylsilylcarbamates, and allyltrimethylsilane are studied. The reaction of these three compounds took place in the presence of a catalytic amount of TrClO 4 at 0°C to yield the corresponding N-homoallylcarbamates in good yields. This reaction was also applied to the synthesis of a polyurethane having the allyl side chains.
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