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Polymer 40 was reacted with l-chloro-l-methoxy-2-me› thylpropane under a basic condition to obtain the intended polymer 42. Polymers 41 and 35 are reacted with 8-(1-chloro- 2-methylpropyloxy)-tricyclo[5.2. l .02•6]decane under a basic condition to obtain the intended polymers 43 and 52 respec› tively. 

## Synthesis Examples 2-42, 2-43 and 2-52 

## Synthesis of Polymers 42, 43 and 52 

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Deprotection and protection of polyhydroxystyrene derivatives in Synthesis Examples 2-27 to 2-43, 2-51 and 2-5 2 are elaborated in Japanese Patent Laid-Open (kokai) No. 2004-115630, Japanese Patent Laid-Open (kokai) No. 2005- 8766 and the like. 

The synthesized polymers are shown in Tables 1 and 2, and structures of each unit are shown in Tables 3 to 7. Here, the introduction ratio in Tables 1 and 2 is shown by mole ratio. 

