4-Chlorobenzenesulfonylethyl carbamates

This derivative is similar to the methylsulfonylethyl derivative. It is cleaved by 1 M NaOH, < 1 h. The related 4-chlorobenzenesulfonylethyl carbamate has also been used as a protective group that can be cleaved with DBU or tetramethyl-guanidine. ... 

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