Patent ID: 7888518

Claim:
A method for synthesizing a dye having a following general chemical structural formula: wherein n is an integer of 0 or 1, X represents oxygen atom or C(CN) 2 , A represents substituted or non-substituted cyclic alkyl group and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 represent hydrogen atom, halogen atom, alkyl group with carbon number 1-18 (C 1-18 ), alkoxy group with carbon number 1-18 (C 1-18 ), carboxyl group with carbon number 1-18 (C 1-18 ), amino group, substituted amino group, alkyl ester group with carbon number 1-18 (C 1-18 ), carboxyl group with carbon number 1-18 (C 1-18 ), benzene including amino group or carboxyl group, nitro group, adamantyl carbonyl group, adamantyl group, alkenyl group, alkynyl group, amino group, azo group, aryl group, aryloxy group, arylcarbonyl group, aryloxycarbonyl group, arylcarbonyloxy group, aryloxycarbonyloxy group, alkylcarbonyl group, alkylcarbonyloxy group, alkoxycarbonyloxy group, alkoxycarbonyl group, carbamoyl group, cyanate group, cyano group, formyl group, formyloxy group, heterocyclic group, isothiocyanate group, isocyano group, isocyanate group, nitroso group, perfluoroalkyl group, perfluoroalkoxy group, sulfinyl group, sulfonyl group, silyl group, or thiocyanate group, and wherein the method comprises a following chemical reaction: wherein a reaction temperature (T) is between −15° C. to 150° C., and a reaction time (t) is more than one minute.