CPC C07D 317/24 (2013.01) [C07C 309/15 (2013.01); C12Q 1/37 (2013.01); G01N 33/6848 (2013.01)] | 20 Claims |
1. A compound of formula (I):
or a salt thereof, wherein:
A is selected from:
R1 is selected from hydrogen, C1-C12 alkyl, C2-C12 alkenyl, and C1-C12 haloalkyl;
R2 is selected from C4-C20 alkyl, C4-C20 alkenyl, and C4-C20 haloalkyl;
each R3 is independently selected from C1-C12 alkyl, C2-C12 alkenyl, and C1-C12 haloalkyl;
m is 1, 2, or 3;
Ra and Rb, at each occurrence, are independently selected from hydrogen and C1-C3 alkyl;
Q is selected from C1-C6-alkylene, and C1-C6-hydroxyalkylene;
or the group -Q-SO3M has a formula:
and
each M is independently selected from hydrogen, an alkali metal cation, and NR4+, wherein each R is independently selected from hydrogen and C1-C12 alkyl.
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