Patent ID: 6620978
Filing Date: 2003-09-16
Classification: G03F

Abstract:
A process for synthesizing a polyphenol compound, comprising the steps of:adding, in the presence of an acid catalyst, a solution of a methylol-group-containing compound of the following formula (V) in an organic solvent: wherein each of R3, R4, R5, R6 and R7 is, identical to or different from one another, an alkyl group having 1 to 3 carbon atoms or a cyclohexyl group, to a phenol compound shown by the following formula (IV): â€ƒwherein each of R1 and R2 is, identical to or different form each other, an alkyl group having 1 to 3 carbon atoms or a cyclohexyl group, or to a solution of said phenol compound in an organic solvent, and performing a reaction to yield a polyphenyl compound shown by the following formula (I): â€ƒwherein each of R1, R2, R3, R4, R5, R6 and R7 is, identical to or different from one another, an alkyl group having 1 to 3 carbon atoms or a cyclohexyl group.