Tetrahedron Letters p. 7479 - 7482 (1997)
Update date:2022-07-30
Topics:
Fitzpatrick, Louis J.
Rivero, Ralph A.
A procedure for preparing substituted aminosulfonyl ureas on solid support is described. Chemoselective reaction of chlorosulfonyl isocyanate with the Wang resin followed by reaction with an amine provides resin-bound substituted aminosulfonylcarbamates. Heating of the resultant resin in THF with a second amine provides the desired substituted aminosulfonyl ureas in good yield and purity.
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