Patent ID: 6451989
Filing Date: 2002-09-17
Classification: C09B,C09D

Abstract:
The compound of Formula (III) wherein:R1 is â€”CO2M; R2 is â€”H, â€”CO2M, -lower alkyl, -lower alkoxy, â€”NO2, â€”CF3, halogen, â€”NHCO-lower alkyl, â€”Oâ€”(CH2)mâ€”CO2M, or â€”(CH2)nâ€”CO2M; x is 1 or 2; R4 is -lower alkyl, -lower alkoxy, â€”Oâ€”(CH2)mâ€”CO2M, or â€”(CH2)nâ€”CO2M; R5 is â€”Nâ€”(R6)(R7), or a group of the formula R6 is â€”H, -lower allcyl, â€”(CH2)nâ€”CO2M, -lower hydroxyalkyl, or -lower cyanoalkyl; R7 is â€”H, -lower alkyl, â€”(CH2)nâ€”CO2M, -lower bydroxyalkyl; or -lower cyanoalkyl; R8 is â€”H, -lower alkyl, -lower hydroxyalkyl, or â€”(CH2)nCO2M; R9 is â€”H, -lower alkyl, -lower hydroxyalkyl, or â€”(CH2)nCO2M; R10 is â€”H, -lower alkyl, -lower alkoxy, -lower hydroxyalkyl, â€”(CH2)nâ€”CO2M, -halogen, â€”NR8R9, â€”(CH2)nSO3M, or â€”Oâ€”(CH2)mCO2M; m is 1,2, or 3; n is 1,2, or 3; M is â€”H, â€”Li, â€”Na, â€”K, or â€”Nâ€”(R11)4; R11 is â€”H, -lower alkyl, or â€”(CH2â€”CH(R12)â€”O)pâ€”H; p is 1 to 4; R12 is â€”H, â€”CH3, â€”CH2â€”CH3, or â€”CH2â€”OH; and R13 is â€”H, -lower alkyl, -lower alkoxy, -halogen, â€”CO2M, or â€”SO3M.