Tosyl

A tosyl group (abbreviated Ts or Tos) is CH3C6H4SO2. This group is usually derived from the compound 4-toluenesulfonyl chloride, CH3C6H4SO2Cl, which forms esters and amides of toluenesulfonic or tosylic acid. The para orientation illustrated (p-toluenesulfonyl) is most common, and by convention tosyl refers to the p-toluenesulfonyl group. Tosylate...
Found on http://en.wikipedia.org/wiki/Tosyl

tosyl

Toluenesulfonyl radical, widely used to block amino groups in the course of organic syntheses of drugs and other biologically active compounds. ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

tosyl

Type: Term Pronunciation: tō′sil Definitions: 1. Toluenesulfonyl radical, widely used to block amino groups in the course of organic syntheses of drugs and other biologically active compounds.
Found on http://www.medilexicon.com/medicaldictionary.php?t=92689
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