| abstract |
A method for detecting for the presence of H2S or HS− anion in a system, comprising contacting a sample from the system with a compound, or a protonate or salt thereof, having a structure represented by:wherein Y represents an aromatic group or a substituted aromatic group;n is 1 or 2;R is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl;R1 is H, substituted lower alkyl, lower alkyl, substituted aralkyl or aralkyl;R2 is selected from H, acyl, substituted aralkyl, aralkyl, phosphonyl, —SO2R3; —C(O)R5; —C(O)OR7 or —C(O)NR9R10;R3; R5; R7; R9 and R10 are each independently selected from H, substituted lower alkyl, lower alkyl, substituted aralkyl, aralkyl, substituted aryl or aryl. |