60  US 8,546,063 B2  59  X represents a single bond, a -COO- group, an -O› group, or a-CON(R$_{16}$)-group. R$_{16 }$represents a hydrogen  atom or an alkyl group having 1 to 3 carbon atoms ( e.g., a  methyl group, an ethyl group, a propyl group, etc.). X pref› erably represents a single bond, a --COO- group, or a  -CON(R$_{16}$)- group, and especially preferably a single  bond or a --COO- group.  The cyclic structure represented by Y is a polycyclic aro› matic hydrocarbon ring structure oftricyclic or more, prefer- ably an anthracene structure, a phenanthrene structure, a tet› racene  structure,  a benzo [ c ]phenanthrene structure,  a  chrysene structure, a benzo[a]anthracene structure, a pyrene  structure, or a perylene structure.  Each of R$_{11 }$ to R$_{15 }$ independently represents a hydrogen  atom, a halogen atom, an alkyl group, a cycloalkyl group, an  aryl group, an alkenyl group, an aralkyl group, an alkoxy  group, or an alkylcarbonyloxy group. As the specific  examples of these groups, the same groups as R in formula (1)  are exemplified.  Each of R$_{101 }$to R$_{106 }$independently represents a hydroxyl  group, a halogen atom (e.g., Cl, Br, F, I), an alkyl group, a  cycloalkyl group, an alkoxy group, an alkylcarbonyloxy  group, an alkylsulfonyloxy group, an alkenyl group, an aryl  group, an aralkyl group, or a carboxyl group. As the specific  examples of these groups, the same groups as R in formula (1)  are exemplified.  Each of c to h independently represents an integer of Oto 3.  The resin (A) may have a lactone group.  As lactone groups, any group having a lactone structure can  be used, but preferably groups having 5- to 7-membered ring  lactone structures, and 5- to 7-membered ring lactone struc› tures condensed with other ring structures in the form of  forming a bicyclo structure or a spiro structure are preferred.  It is more preferred to have a repeating unit having lactone  structure represented by any of the following formulae (LCl- 1) to (LC 1-1 7). A lactone structure may be directly bonded to  the main chain. Preferred lactone structures are (LC 1-1 ),  (LCl-4), (LCl-5), (LCl-6), (LCl-13), (LCl-14) and (LCl- 17). By the use of a specific lactone structure, resolution is  bettered.  -continued  LCl-3  LCl-2  LCl-1  LCl-11  LCl-10  Q  0  LCl-9  LCl-8  LCl-7  LCl-6  0  LCl-5  0  LCl-4 