Analysis of structure–activity relationships for the ‘A-region’ of N-(4-t-butylbenzyl)-N′-[4-(methylsulfonylamino)benzyl]thiourea analogues as TRPV1 antagonists

The structure–activity relationships for the ‘A-region’ of N-(4-t-butylbenzyl)-N′-[4-(methylsulfonylamino)benzyl]thiourea analogues have been investigated as TRPV1 receptor antagonists. The 2-halogen analogues showed enhanced antagonism compared to the prototype antagonist.

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