Patent ID: 8680296

Claim:
A leaving substituent-containing compound, having a structure represented by Formula (I): wherein: a pair of X 1 and X 2 or a pair of Y 1 and Y 2 each represent a hydrogen atom, and the other pair each represent a group selected from the group consisting of a halogen atom and a substituted or unsubstituted acyloxy group having one or more carbon atoms; a pair of the acyloxy groups represented by the pair of X 1 and X 2 or the pair of Y 1 and Y 2 are optionally identical or different, or are optionally bonded together to form a ring; R 1 to R 4 each represent a hydrogen atom or a substituent; and Q 1 and Q 2 each represent a hydrogen atom, a halogen atom or a monovalent organic group, and are optionally bonded together to form a ring.