| abstract |
(57) [Summary] [Object] To provide a novel tetra (hydroxyphenyl) alkane. [Constitution] The following formula I: [Wherein each R is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, -OC H 2 C 6 H 5 , —OC 6 H 5 or —COO—C 1 -C 4 alkyl— and R 1 and R 2 independently of one another are hydrogen, C 1 -C 5 4 alkyl, -C 6 H 5 group or represents a cycloaliphatic 5- or 6-membered ring, a is 0 to an integer of 4, and m and n a are independently 0, 1 or 2 With the proviso that when R 1 and R 2 represent a hydrogen atom and a represents 0 or 1, m and n must not represent 0], to provide a tetra (hydroxyphenyl) alkane represented by the formula: |