| abstract |
A compound represented by the formula A F (—COF) n , provided that A F and n have the following meanings. n A F : a fluorinated adamantane residue which is an n-valent group having an n number of hydrogen atoms removed from adamantane (provided that when n is at least 2, the removed hydrogen atoms are hydrogen atoms bonded to different carbon atoms), wherein at least one of the remaining hydrogen atoms is substituted by a fluorine atom, and the remaining hydrogen atoms may be substituted by a C 1-6 alkyl group or fluoroalkyl group, and n: an integer of from 1 to 4, n provided the when n is 1, A F has at least one hydrogen atom. |