Patent ID: 6632944
Filing Date: 2003-10-14
Classification: C07D

Abstract:
A process for isolating a compound of Formula 1wherein Ar1 and Ar2 are the same or different and are radicals of the compound of Formula 2â€ƒand wherein R1 is hydrogen and R2, R3, R4 and R5, are the same or different and are hydrogen, alkyl of 1 to 24 carbon atoms, haloalkyl of 1 to 24 carbon atoms, aryl of 6 to 24 carbon atoms, alkenyl of 2 to 24 carbon atoms, acyl of 1 to 24 carbon atoms, cycloalkyl of 1 to 24 carbon atoms, cycloacyl of 5 to 24 carbon atoms, aralkyl of 7 to 24 carbon atoms, or aracyl of 6 to 24 carbons atoms, substituted or unsubstituted biphenylene, substituted or unsubstituted naphthalene, OR, NRRâ€², CONRRâ€², OCOR, CN, SR, SO2R, and optionally with either of R3 and R4 or R4 and R5 taken together being a part of a saturated or unsaturated fused carbocyclic ring and wherein each R, Râ€², R6, R7, R8, R9, and R10 are the same or different and each is hydrogen, alkyl of 1 to 24 carbon atoms, haloalkyl of 1 to 24 carbon atoms, aryl of 6 to 24 carbon atoms, alkenyl of 2 to 24 carbon atoms, acyl of 1 to 24 carbon atoms, cycloalkyl of 1 to 24 carbon atoms, cycloacyl of 5 to 24 carbon atoms, aralkyl of 7 to 24 carbon atoms, or aracyl of 6 to 24 carbons atoms, substituted or unsubstituted biphenylene, substituted or unsubstituted naphthalene, and optionally with either of R6 and R7, R7 and R8, R8 and R9, or R9 and R10, taken together being a part of a saturated or unsaturated fused carbocyclic ring optionally having O, N, or S atoms in the ring, and R6, R7, R8, R9, and R10, may be an alkoxy of 1 to 24 carbons, and Y is a direct bond, O, NRâ€³, or wherein Râ€³ is hydrogen, alkyl of 1 to 24 carbon atoms, haloalkyl of 1 to 24 carbon atoms, aryl of 6 to 24 carbon atoms, alkenyl of 2 to 24 carbon atoms, acyl of 1 to 24 carbon atoms, cycloalkyl of 1 to 24 carbon atoms, cycloacyl of 5 to 24 carbon atoms, aralkyl of 7 to 24 carbon atoms, or aracyl of 6 to 24 carbons atoms; wherein said process comprises the step of: contacting a product mixture with a base to form an isolation blend, wherein said product mixture comprises said compound of Formula 1 and a polyphenolic-triazine compound.