Novel compounds and their uses

摘要

Use of a compound according to Formula [I]: or a salt thereof to produce a cooling sensation, wherein R<1 >and R<2 >are independently selected from hydrogen or halogen atoms; hydroxy, cyano, nitro, mercapto, carbonyl, sulfone and carboxy groups: or optionally substituted alkyl, alkenyl, alkoxy, alkylthio, aryl, aryloxy, arylthio, amino, siloxy, ester and heterocyclic groups, with the proviso that when R<1 >is 2-hydroxyphenyl, R<2 >is other than 3-nitrophenyl.